fzus53 kapx 171842
nshapx
expires:202605180700;;724402

nearshore marine forecast
national weather service gaylord mi
242 pm edt sun may 17 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lhz346-180700-
st ignace to false detour channel-
242 pm edt sun may 17 2026

...small craft advisory in effect from 8 pm edt this evening
through late tonight...

.tonight...southeast wind 10 to 20 knots. gusts to 25 knots. rain
showers early in the evening. chance of thunderstorms through the
night. rain showers likely after midnight. waves 3 to 5 feet. 
.monday...south wind 10 to 15 knots. chance of showers and slight
chance of thunderstorms. waves 2 to 4 feet. 
.monday night...south wind 10 to 15 knots. rain showers likely
and a chance of thunderstorms. waves 2 to 3 feet. 
.tuesday...southwest wind 15 to 25 knots. rain showers. waves
4 to 6 feet. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 171842
nshapx
expires:202605180700;;724401

nearshore marine forecast
national weather service gaylord mi
242 pm edt sun may 17 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lhz345-180700-
straits of mackinac within 5 nm of mackinac bridge including
mackinac island-
242 pm edt sun may 17 2026

...small craft advisory in effect from 8 pm edt this evening
through late tonight...

.tonight...southeast wind 10 to 20 knots. gusts to 25 knots. rain
showers early in the evening. chance of thunderstorms through the
night. chance of showers after midnight. waves 2 to 4 feet. 
.monday...southwest wind 10 to 15 knots. chance of showers and
slight chance of thunderstorms. waves 2 to 3 feet. 
.monday night...south wind 10 to 15 knots. rain showers likely
and a chance of thunderstorms. waves 2 feet or less. 
.tuesday...southwest wind 15 to 25 knots. rain showers. waves
2 to 4 feet. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 171842
nshapx
expires:202605180700;;724403

nearshore marine forecast
national weather service gaylord mi
242 pm edt sun may 17 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lhz347-180700-
5nm east of mackinac bridge to presque isle light mi including
bois blanc island-
242 pm edt sun may 17 2026

.tonight...southeast wind 10 to 20 knots. rain showers early in
the evening. chance of thunderstorms through the night. chance of
showers after midnight. waves 2 to 4 feet. 
.monday...southwest wind 10 to 15 knots. chance of showers and
thunderstorms. waves 2 to 4 feet. 
.monday night...south wind 5 to 10 knots. chance of showers and
thunderstorms. waves 2 feet or less. 
.tuesday...southwest wind 15 to 25 knots. rain showers. waves
3 to 5 feet. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 171842
nshapx
expires:202605180700;;724404

nearshore marine forecast
national weather service gaylord mi
242 pm edt sun may 17 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lhz348-180700-
presque isle light to sturgeon pt mi including thunder bay
national marine sanctuary-
242 pm edt sun may 17 2026

.tonight...east wind 10 to 15 knots becoming south after
midnight. rain showers and a chance of thunderstorms early in the
evening, then chance of showers and slight chance of
thunderstorms after midnight. waves 2 to 4 feet. 
.monday...south wind 15 to 20 knots. chance of showers and
thunderstorms. waves 4 to 6 feet. 
.monday night...south wind 10 to 15 knots. chance of showers.
waves 2 to 4 feet. 
.tuesday...southwest wind 10 to 20 knots. rain showers likely.
waves 4 to 6 feet. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 171842
nshapx
expires:202605180700;;724405

nearshore marine forecast
national weather service gaylord mi
242 pm edt sun may 17 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lhz349-180700-
sturgeon pt to alabaster mi-
242 pm edt sun may 17 2026

.tonight...northeast wind 10 to 15 knots becoming south after
midnight. chance of showers and thunderstorms early in the
evening. waves 2 to 3 feet. 
.monday...south wind 10 to 20 knots. chance of showers and
thunderstorms. waves 3 to 5 feet. 
.monday night...southwest wind 10 to 20 knots. chance of showers.
waves 2 to 4 feet. 
.tuesday...southwest wind 15 to 25 knots. rain showers likely.
waves 4 to 6 feet. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 171842
nshapx
expires:202605180700;;724398

nearshore marine forecast
national weather service gaylord mi
242 pm edt sun may 17 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lmz323-180700-
grand traverse bay south of a line grand traverse light to
norwood mi-
242 pm edt sun may 17 2026

...small craft advisory in effect from 8 pm edt this evening
through monday evening...

.tonight...southeast wind 10 to 20 knots becoming south early in
the morning. gusts to 25 knots. rain showers and a chance of 
thunderstorms early in the evening, then slight chance of showers 
and thunderstorms after midnight. waves 2 to 3 feet. 
.monday...southwest wind 10 to 20 knots. gusts to 25 knots. chance
of showers and slight chance of thunderstorms. waves 2 to 3 feet.
.monday night...south wind 10 to 20 knots. rain showers and a
chance of thunderstorms. waves 2 to 3 feet. 
.tuesday...southwest wind 10 to 20 knots. rain showers likely.
waves 2 to 4 feet. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 171842
nshapx
expires:202605180700;;724396

nearshore marine forecast
national weather service gaylord mi
242 pm edt sun may 17 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lmz341-180700-
seul choix point to 5nm west of mackinac bridge-
242 pm edt sun may 17 2026

...small craft advisory in effect from 8 pm edt this evening
through monday evening...

.tonight...southeast wind 10 to 20 knots. gusts to 25 knots. rain
showers early in the evening. chance of thunderstorms through the
night. rain showers likely after midnight. waves 2 to 4 feet. 
.monday...southwest wind 10 to 20 knots. gusts to 25 knots. chance
of showers and slight chance of thunderstorms. waves 4 to 7 feet.
.monday night...southwest wind 15 to 20 knots. rain showers and a
chance of thunderstorms. waves 4 to 6 feet. 
.tuesday...southwest wind 15 to 25 knots. rain showers. waves
6 to 9 feet. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 171842
nshapx
expires:202605180700;;724397

nearshore marine forecast
national weather service gaylord mi
242 pm edt sun may 17 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lmz342-180700-
norwood mi to 5nm west of mackinac bridge including little
traverse bay-
242 pm edt sun may 17 2026

...small craft advisory in effect from 8 pm edt this evening
through monday evening...

.tonight...southeast wind 10 to 20 knots. gusts to 25 knots. rain
showers and a chance of thunderstorms early in the evening, then 
chance of showers and slight chance of thunderstorms after 
midnight. waves 2 to 4 feet subsiding to 2 to 3 feet after 
midnight. 
.monday...southwest wind 10 to 20 knots. gusts to 25 knots. chance
of showers and slight chance of thunderstorms. waves 2 to 4 feet.
.monday night...south wind 10 to 15 knots. rain showers and a
chance of thunderstorms. waves 2 to 4 feet. 
.tuesday...southwest wind 15 to 25 knots with gusts to around
35 knots. rain showers. waves 4 to 6 feet. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 171842
nshapx
expires:202605180700;;724399

nearshore marine forecast
national weather service gaylord mi
242 pm edt sun may 17 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lmz344-345-180700-
sleeping bear point to grand traverse light mi-
point betsie to sleeping bear point mi-
242 pm edt sun may 17 2026

...small craft advisory in effect from 8 pm edt this evening
through monday evening...

.tonight...east wind 10 to 15 knots becoming south 10 to 20 knots
after midnight. gusts to 25 knots. rain showers and a chance of 
thunderstorms early in the evening, then chance of showers and 
slight chance of thunderstorms after midnight. waves 2 feet or 
less building to 2 to 4 feet after midnight. 
.monday...southwest wind 10 to 20 knots. gusts to 25 knots. chance
of showers and slight chance of thunderstorms. waves 4 to 6 feet.
.monday night...south wind 10 to 20 knots. rain showers and a
chance of thunderstorms. waves 3 to 5 feet. 
.tuesday...southwest wind 15 to 25 knots. rain showers likely.
waves 4 to 7 feet. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 171842
nshapx
expires:202605180700;;724400

nearshore marine forecast
national weather service gaylord mi
242 pm edt sun may 17 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lmz346-180700-
manistee to point betsie mi-
242 pm edt sun may 17 2026

...small craft advisory in effect from 8 pm edt this evening
through monday evening...

.tonight...south wind 10 to 20 knots. gusts to 25 knots. rain 
showers likely and a chance of thunderstorms early in the evening,
then slight chance of showers and thunderstorms after midnight. 
waves 2 feet or less building to 3 to 5 feet after midnight. 
.monday...south wind 10 to 20 knots. gusts to 25 knots. chance of
showers and slight chance of thunderstorms. waves 4 to 6 feet. 
.monday night...south wind 10 to 20 knots. chance of showers and
thunderstorms. waves 4 to 6 feet. 
.tuesday...southwest wind 15 to 25 knots. rain showers likely.
waves 5 to 8 feet. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 171842
nshapx
expires:202605180700;;724394

nearshore marine forecast
national weather service gaylord mi
242 pm edt sun may 17 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lsz321-180700-
whitefish bay (u.s. portion)/whitefish point to point iroquois mi-
242 pm edt sun may 17 2026

...small craft advisory in effect from 11 pm edt this evening
through monday morning...

.tonight...southeast wind 10 to 20 knots. gusts to 25 knots. rain
showers likely early in the evening. chance of thunderstorms 
through the night. rain showers after midnight. waves 2 to 4 feet.
.monday...south wind 10 to 15 knots. chance of showers and
thunderstorms. waves 2 to 3 feet. 
.monday night...south wind 5 to 10 knots. chance of showers and
thunderstorms. waves 2 feet or less. 
.tuesday...southwest wind 10 to 20 knots. rain showers. waves
4 to 7 feet. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 171842
nshapx
expires:202605180700;;724395

nearshore marine forecast
national weather service gaylord mi
242 pm edt sun may 17 2026

for waters within five nautical miles of shore on lakes huron...
michigan and superior. 

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lsz322-180700-
st. marys river point iroquois to e. potagannissing bay-
242 pm edt sun may 17 2026

...small craft advisory in effect from 11 pm edt this evening
through monday morning...

.tonight...southeast wind 10 to 20 knots. gusts to 25 knots. rain
showers early in the evening. chance of thunderstorms through the
night. chance of showers after midnight. 
.monday...south wind 10 to 15 knots. chance of showers and slight
chance of thunderstorms. 
.monday night...south wind 5 to 10 knots. chance of showers and
thunderstorms. 
.tuesday...southwest wind 15 to 20 knots. rain showers. 

winds higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus51 kbuf 172003
nshbuf
expires:202605180300;;727549

nearshore marine forecast
national weather service buffalo ny
403 pm edt sun may 17 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


lez020-loz030-180300-
upper niagara river and buffalo harbor-lower niagara river-
403 pm edt sun may 17 2026

.tonight...south winds less than 10 knots. a chance of showers
and thunderstorms. 
.monday...southwest winds 5 to 15 knots. mostly sunny. 
.monday night...southwest winds 5 to 15 knots. a chance of
showers overnight. 
.tuesday...southwest winds 10 to 15 knots. a chance of showers in
the morning. 
.tuesday night...southwest winds 10 to 15 knots becoming west.
showers with a chance of thunderstorms in the evening, then
showers overnight. 
.wednesday...west winds 10 knots or less becoming north. showers
likely during the day. 
.thursday...northeast winds 10 knots or less becoming east.
partly cloudy. 
.friday...east winds 10 knots or less becoming south. a chance of
showers friday night. 

winds and waves higher in and near thunderstorms.

the water temperature off buffalo is 52 degrees.

$$

fzus51 kbuf 172003
nshbuf
expires:202605180300;;727550

nearshore marine forecast
national weather service buffalo ny
403 pm edt sun may 17 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


lez040-041-180300-
buffalo to ripley along lake erie-
403 pm edt sun may 17 2026

.tonight...south winds 10 knots or less. a chance of showers late
this evening. a chance of showers and thunderstorms after
midnight. waves 1 foot or less. 
.monday...south winds 5 to 15 knots becoming southwest. sunny.
waves 1 foot or less. 
.monday night...southwest winds 5 to 10 knots. partly to mostly
cloudy. waves 1 foot or less. 
.tuesday...southwest winds 5 to 10 knots. a chance of showers in
the afternoon. waves 2 feet or less. 
.tuesday night...southwest winds 10 to 15 knots becoming west.
showers with a chance of thunderstorms in the evening, then
showers overnight. waves 1 to 3 feet. 
.wednesday...west winds 5 to 10 knots becoming north. showers
during the day. waves 1 to 3 feet subsiding to 1 foot or less. 
.thursday...northeast winds 5 to 10 knots becoming east. partly
cloudy. waves 1 foot or less. 
.friday...east winds 5 to 10 knots becoming south. a chance of
showers. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus51 kbuf 172003
nshbuf
expires:202605180300;;727552

nearshore marine forecast
national weather service buffalo ny
403 pm edt sun may 17 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


loz043-044-180300-
hamlin beach to mexico bay along lake ontario
including irondequoit bay-
403 pm edt sun may 17 2026

.tonight...east winds 10 knots or less becoming southeast. a
chance of showers and thunderstorms after midnight. waves 1 foot
or less. 
.monday...southeast winds 5 to 10 knots becoming southwest.
becoming mostly sunny. waves 1 foot or less. 
.monday night...south winds 5 to 10 knots. a chance of showers.
waves 1 foot or less. 
.tuesday...southwest winds 10 to 15 knots. a chance of showers in
the morning, then a chance of showers and thunderstorms in the
afternoon. waves 2 feet or less. 
.tuesday night...southwest winds 15 to 20 knots becoming west.
showers with a chance of thunderstorms in the evening, then
showers overnight. waves 1 to 3 feet building to 2 to 4 feet. 
.wednesday...west winds 15 to 20 knots becoming northwest 10 to
15 knots. showers likely during the day. waves 3 to 6 feet. waves
occasionally around 7 feet. 
.thursday...north winds 5 to 15 knots becoming east less than
10 knots. partly cloudy. waves 1 to 3 feet subsiding to 1 foot or
less. 
.friday...southeast winds 5 to 10 knots. a chance of showers
friday night. waves 2 feet or less. 

winds and waves higher in and near thunderstorms.

the water temperature off rochester is 48 degrees.

$$

fzus51 kbuf 172003
nshbuf
expires:202605180300;;727551

nearshore marine forecast
national weather service buffalo ny
403 pm edt sun may 17 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


loz042-180300-
niagara river to hamlin beach along lake ontario-
403 pm edt sun may 17 2026

.tonight...east winds 5 to 10 knots. a chance of showers and
thunderstorms from late evening on. waves 1 foot or less. 
.monday...south winds 10 knots or less becoming southwest and
increasing to 15 to 20 knots in the afternoon. becoming mostly
sunny. waves 1 foot or less building to 1 to 3 feet. 
.monday night...southwest winds 15 to 20 knots diminishing to
10 to 15 knots. a chance of showers overnight. waves 1 to 3 feet.
.tuesday...southwest winds 15 to 20 knots. a chance of showers in
the morning. waves 1 to 3 feet building to 2 to 4 feet. 
.tuesday night...southwest winds 15 to 25 knots becoming west.
showers with a chance of thunderstorms in the evening, then
showers overnight. waves 3 to 5 feet. waves occasionally around
6 feet. 
.wednesday...west winds 15 to 20 knots becoming north 10 to
15 knots. a chance of showers during the day. waves 2 to 4 feet
subsiding to 1 to 3 feet. 
.thursday...northeast winds 10 knots or less becoming east.
partly cloudy. waves 2 feet or less. 
.friday...east winds 5 to 15 knots becoming southeast. a chance
of showers friday night. waves 2 feet or less. 

winds and waves higher in and near thunderstorms.

$$

fzus51 kbuf 172003
nshbuf
expires:202605180300;;727553

nearshore marine forecast
national weather service buffalo ny
403 pm edt sun may 17 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


loz045-180300-
mexico bay to the saint lawrence river along lake ontario-
403 pm edt sun may 17 2026

.tonight...south winds 10 knots or less becoming east. a chance
of showers and thunderstorms late. waves 1 foot or less. 
.monday...southeast winds 10 to 15 knots becoming southwest. a
chance of showers in the morning. waves 2 feet or less. 
.monday night...south winds 5 to 10 knots. a chance of showers.
waves 2 feet or less. 
.tuesday...south winds 5 to 15 knots becoming southwest. a chance
of showers in the morning, then a chance of showers and
thunderstorms in the afternoon. waves 2 feet or less. 
.tuesday night...southwest winds 10 to 15 knots increasing to
15 to 20 knots. showers with a chance of thunderstorms. waves
1 to 3 feet building to 2 to 4 feet. 
.wednesday...west winds 15 to 20 knots becoming north 10 to
15 knots. showers during the day. waves 3 to 6 feet subsiding to
2 to 4 feet. waves occasionally around 7 feet. 
.thursday...north winds 10 to 15 knots becoming light and
variable. becoming mainly clear. waves 2 feet or less. 
.friday...southeast winds 10 knots or less. a chance of showers
friday night. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus51 kcle 180114
nshcle
expires:202605180815;;739836

nearshore marine forecast
national weather service cleveland oh
914 pm edt sun may 17 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


lez142>146-180815-
maumee bay to reno beach oh-reno beach to the islands oh-
the islands to vermilion oh-vermilion to avon point oh-
avon point to willowick oh-
914 pm edt sun may 17 2026

.overnight...south winds 5 to 15 knots. partly cloudy.
waves 1 foot or less. 
.monday...south winds 10 to 15 knots becoming southwest 15 to
20 knots. sunny. waves 1 to 3 feet. 
.monday night...southwest winds 15 to 20 knots diminishing to
10 to 15 knots. a chance of showers in the evening. waves 2 feet
or less. 
.tuesday...south winds 15 to 25 knots becoming southwest. showers
in the afternoon. waves 1 to 3 feet. 

see lake erie open lakes forecast for wednesday through friday.

the water temperature off toledo is 58 degrees, off cleveland 54
degrees, and off erie 55 degrees.

$$

fzus51 kcle 180114
nshcle
expires:202605180815;;739837

nearshore marine forecast
national weather service cleveland oh
914 pm edt sun may 17 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


lez147>149-180815-
willowick to geneva-on-the lake oh-geneva-on-the-
lake to conneaut oh-conneaut oh to ripley ny-
914 pm edt sun may 17 2026

.overnight...southeast winds 5 to 10 knots becoming south.
partly cloudy. waves 1 foot or less. 
.monday...south winds 10 to 15 knots becoming southwest. sunny.
waves 2 feet or less. 
.monday night...southwest winds 10 to 15 knots. partly cloudy in
the evening, then becoming mostly cloudy. waves 2 feet or less. 
.tuesday...south winds 10 to 15 knots becoming southwest 15 to
20 knots. a chance of showers in the afternoon. waves 1 to
3 feet. 

see lake erie open lakes forecast for wednesday through friday.

the water temperature off toledo is 58 degrees, off cleveland 54
degrees, and off erie 55 degrees.

$$

fzus53 kdlh 180008
nshdlh
expires:202605181000;;737187

nearshore marine forecast
national weather service duluth mn
708 pm cdt sun may 17 2026

for waters within five nautical miles of shore on lake superior.         

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lsz121-181000-
chequamegon bay-bayfield to oak point wi-
708 pm cdt sun may 17 2026

...small craft advisory in effect until 10 pm cdt this evening...

.rest of tonight...northeast wind 10 to 15 knots with gusts to
around 25 knots easing to 5 knots toward daybreak. chance of rain
showers in the evening. chance of thunderstorms through the
night. rain showers after midnight. waves 1 to 3 feet. 
.monday...northwest wind 5 knots becoming northeast in the
afternoon. chance of rain showers and slight chance of
thunderstorms in the morning, then slight chance of rain showers
in the afternoon. waves 1 foot or less. 
.monday night...northeast wind 15 to 20 knots with gusts to
around 30 knots. chance of rain showers and slight chance of
thunderstorms in the evening, then rain showers and chance of
thunderstorms after midnight. waves 1 to 3 feet. 
.tuesday...north wind 10 to 15 knots with gusts to around
25 knots becoming northwest with gusts to around 20 knots in the
late morning and afternoon. rain showers in the morning. waves
1 to 2 feet. 

$$

fzus53 kdlh 180008
nshdlh
expires:202605181000;;737183

nearshore marine forecast
national weather service duluth mn
708 pm cdt sun may 17 2026

for waters within five nautical miles of shore on lake superior.         

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lsz145-181000-
duluth mn to port wing wi-
708 pm cdt sun may 17 2026

...gale warning in effect until 10 pm cdt this evening...

.rest of tonight...northeast wind up to 30 knots with gales to
around 40 knots easing to 10 to 15 knots with gusts to around
20 knots toward daybreak. chance of rain showers in the evening.
chance of thunderstorms through the night. rain showers after
midnight. waves 7 to 10 feet subsiding to 4 to 6 feet. waves
occasionally to 13 feet. 
.monday...northeast wind 5 to 10 knots becoming north late in the
morning, then becoming northeast in the afternoon. slight chance
of thunderstorms in the morning. slight chance of rain showers
through the day. waves 2 to 4 feet subsiding to 1 to 3 feet in
the afternoon. a small craft advisory may be needed. 
.monday night...northeast wind 20 to 25 knots with gusts to
around 30 knots. rain showers likely in the evening. slight
chance of thunderstorms through the night. rain showers after
midnight. waves 1 to 2 feet building to 3 to 5 feet in the late
evening and overnight. waves occasionally to 7 feet. a small
craft advisory may be needed. 
.tuesday...north wind 10 to 15 knots with gusts to around
20 knots becoming northwest with gusts to around 20 knots in the
late morning and afternoon. rain showers in the morning. waves
2 to 4 feet subsiding to 1 to 3 feet late in the afternoon. a
small craft advisory may be needed. 

$$

fzus53 kdlh 180008
nshdlh
expires:202605181000;;737182

nearshore marine forecast
national weather service duluth mn
708 pm cdt sun may 17 2026

for waters within five nautical miles of shore on lake superior.         

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lsz144-181000-
two harbors to duluth mn-
708 pm cdt sun may 17 2026

...gale warning in effect until 10 pm cdt this evening...

.rest of tonight...northeast wind up to 30 knots with gales to
around 35 knots easing to 10 to 15 knots with gusts to around
20 knots toward daybreak. chance of rain showers in the evening.
chance of thunderstorms through the night. rain showers after
midnight. waves 7 to 10 feet subsiding to 4 to 6 feet. waves
occasionally to 13 feet. 
.monday...northeast wind 5 knots becoming southwest late in the
morning, then becoming southeast early in the afternoon becoming
northeast late in the afternoon. chance of rain showers and
slight chance of thunderstorms in the morning. waves 2 to 4 feet
subsiding to 1 to 3 feet in the afternoon. a small craft advisory
may be needed. 
.monday night...northeast wind 15 to 20 knots. gusts up to
20 knots increasing to 30 knots in the late evening and
overnight. rain showers likely in the evening. slight chance of
thunderstorms through the night. rain showers after midnight.
waves 1 to 2 feet building to 3 to 5 feet in the late evening and
overnight. waves occasionally to 7 feet. a small craft advisory
may be needed. 
.tuesday...north wind 10 to 15 knots with gusts to around
20 knots becoming northwest 5 to 10 knots in the late morning and
afternoon. rain showers in the morning. waves 2 to 4 feet. a
small craft advisory may be needed. 

$$

fzus53 kdlh 180008
nshdlh
expires:202605181000;;737181

nearshore marine forecast
national weather service duluth mn
708 pm cdt sun may 17 2026

for waters within five nautical miles of shore on lake superior.         

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lsz143-181000-
silver bay harbor to two harbors mn-
708 pm cdt sun may 17 2026

...gale warning in effect until 10 pm cdt this evening...

.rest of tonight...northeast wind 20 to 25 knots with gales to
around 35 knots easing to 10 to 15 knots with gusts to around
20 knots toward daybreak. chance of rain showers in the evening.
chance of thunderstorms through the night. rain showers likely
after midnight. waves 7 to 10 feet subsiding to 4 to 6 feet
toward daybreak. waves occasionally to 13 feet. 
.monday...northeast wind 5 knots becoming south in the late
morning and early afternoon, then becoming east late in the
afternoon. chance of rain showers and slight chance of
thunderstorms in the morning. waves 3 to 5 feet subsiding to 1 to
2 feet late in the afternoon. a small craft advisory may be
needed. 
.monday night...northeast wind 15 to 20 knots with gusts to
around 30 knots. chance of rain showers and slight chance of
thunderstorms in the evening, then rain showers after midnight.
waves 1 to 2 feet building to 2 to 4 feet after midnight. a small
craft advisory may be needed. 
.tuesday...north wind 5 to 10 knots with gusts to around 20 knots
becoming northwest in the late morning and afternoon. rain
showers in the morning. waves 2 to 4 feet. a small craft advisory
may be needed. 

$$

fzus53 kdlh 180008
nshdlh
expires:202605181000;;737180

nearshore marine forecast
national weather service duluth mn
708 pm cdt sun may 17 2026

for waters within five nautical miles of shore on lake superior.         

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lsz142-181000-
taconite harbor to silver bay harbor mn-
708 pm cdt sun may 17 2026

...gale warning in effect until 10 pm cdt this evening...

.rest of tonight...northeast wind 15 to 20 knots. gusts up to
30 knots decreasing to 20 knots. chance of rain showers late in
the evening. chance of thunderstorms in the late evening and
overnight. rain showers likely after midnight. waves 6 to 9 feet
subsiding to 4 to 6 feet toward daybreak. waves occasionally to
12 feet. 
.monday...north wind 5 knots becoming west late in the morning,
then becoming variable 10 knots or less in the afternoon. chance
of showers and thunderstorms in the morning. waves 3 to 5 feet
subsiding to 1 to 2 feet late in the afternoon. a small craft
advisory may be needed. 
.monday night...northeast wind 10 to 15 knots with gusts to
around 25 knots. chance of rain showers in the evening, then rain
showers after midnight. waves 1 to 2 feet building to 2 to 4 feet
after midnight. a small craft advisory may be needed. 
.tuesday...north wind 5 to 10 knots becoming northwest in the
afternoon. rain showers in the morning. waves 2 to 4 feet
subsiding to 1 to 3 feet late in the afternoon. a small craft
advisory may be needed. 

$$

fzus53 kdlh 180008
nshdlh
expires:202605181000;;737179

nearshore marine forecast
national weather service duluth mn
708 pm cdt sun may 17 2026

for waters within five nautical miles of shore on lake superior.         

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lsz141-181000-
grand marais to taconite harbor mn-
708 pm cdt sun may 17 2026

...gale warning in effect until 10 pm cdt this evening...

.rest of tonight...northeast wind 20 to 25 knots easing to 10 to
15 knots toward daybreak. gusts up to 30 knots increasing to
35 knots late in the evening, then decreasing to 30 knots after
midnight decreasing to 25 knots toward daybreak. chance of rain
showers in the evening. chance of thunderstorms through the
night. rain showers after midnight. waves 5 to 8 feet subsiding
to 4 to 6 feet toward daybreak. waves occasionally to 10 feet. 
.monday...northeast wind 5 to 10 knots becoming northwest late in
the morning, then becoming west early in the afternoon becoming
northeast late in the afternoon. chance of showers and
thunderstorms in the morning. waves 2 to 4 feet subsiding to 1 to
3 feet in the afternoon. a small craft advisory may be needed. 
.monday night...northeast wind 15 to 20 knots with gusts to
around 30 knots. slight chance of rain showers in the evening,
then rain showers after midnight. waves 1 to 3 feet building to
2 to 4 feet after midnight. a small craft advisory may be needed.
.tuesday...north wind 10 to 15 knots with gusts to around
20 knots becoming northwest 5 to 10 knots in the afternoon. rain
showers in the morning. waves 2 to 4 feet subsiding to 1 to
2 feet in the afternoon. 

$$

fzus53 kdlh 180008
nshdlh
expires:202605181000;;737178

nearshore marine forecast
national weather service duluth mn
708 pm cdt sun may 17 2026

for waters within five nautical miles of shore on lake superior.         

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lsz140-181000-
grand portage to grand marais mn-
708 pm cdt sun may 17 2026

...small craft advisory in effect through monday morning...

.rest of tonight...northeast wind 20 to 25 knots. gusts up to
30 knots decreasing to 25 knots toward daybreak. slight chance of
showers and thunderstorms in the evening, then rain showers and
chance of thunderstorms after midnight. waves 4 to 6 feet. waves
occasionally to 8 feet. 
.monday...northeast wind 10 to 15 knots with gusts to around
20 knots. chance of showers and thunderstorms in the morning.
waves 2 to 4 feet. 
.monday night...northeast wind 20 to 25 knots with gales to
around 35 knots. rain showers after midnight. waves 4 to 6 feet.
waves occasionally to 8 feet. a gale warning may be needed. 
.tuesday...north wind 20 to 25 knots with gusts to around
30 knots becoming northwest 15 to 20 knots with gusts to around
25 knots in the afternoon. rain showers in the morning. waves
4 to 6 feet subsiding to 1 to 2 feet. waves occasionally to
8 feet. a small craft advisory may be needed. 

$$

fzus53 kdlh 180008
nshdlh
expires:202605181000;;737188

nearshore marine forecast
national weather service duluth mn
708 pm cdt sun may 17 2026

for waters within five nautical miles of shore on lake superior.         

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lsz148-181000-
oak point to saxon harbor wi-
708 pm cdt sun may 17 2026

...small craft advisory in effect until 10 pm cdt this evening...

.rest of tonight...northeast wind 10 to 15 knots. gusts up to
25 knots in the evening. chance of rain showers in the evening.
chance of thunderstorms through the night. rain showers after
midnight. waves 4 to 7 feet subsiding to 3 to 5 feet after
midnight. waves occasionally to 10 feet. 
.monday...northwest wind 5 knots becoming northeast late in the
afternoon. chance of rain showers and slight chance of
thunderstorms in the morning, then slight chance of rain showers
in the afternoon. waves 2 to 4 feet subsiding to 1 to 2 feet in
the afternoon. 
.monday night...northeast wind 5 to 10 knots with gusts to around
20 knots rising to 15 to 20 knots with gusts to around 30 knots
in the late evening and overnight. rain showers likely and slight
chance of thunderstorms in the evening, then rain showers and
chance of thunderstorms after midnight. waves 1 to 2 feet
building to 4 to 7 feet in the late evening and overnight. waves
occasionally to 9 feet. a small craft advisory may be needed. 
.tuesday...north wind 15 to 20 knots with gusts to around
25 knots becoming northwest 5 to 10 knots with gusts to around
20 knots in the afternoon. rain showers in the morning. waves
4 to 7 feet subsiding to 3 to 5 feet late in the afternoon. waves
occasionally to 9 feet. a small craft advisory may be needed. 

$$

fzus53 kdlh 180008
nshdlh
expires:202605181000;;737185

nearshore marine forecast
national weather service duluth mn
708 pm cdt sun may 17 2026

for waters within five nautical miles of shore on lake superior.         

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lsz147-181000-
sand island to bayfield wi-
708 pm cdt sun may 17 2026

...small craft advisory in effect until 1 am cdt monday...

.rest of tonight...northeast wind 15 to 20 knots with gusts to
around 30 knots easing to 5 to 10 knots toward daybreak. chance
of rain showers in the evening. chance of thunderstorms through
the night. rain showers after midnight. waves 6 to 9 feet
subsiding to 4 to 6 feet after midnight. waves occasionally to
11 feet. 
.monday...northwest wind 5 knots becoming east late in the
afternoon. chance of rain showers and slight chance of
thunderstorms in the morning, then slight chance of rain showers
in the afternoon. waves 2 to 4 feet subsiding to 1 to 3 feet in
the afternoon. a small craft advisory may be needed. 
.monday night...northeast wind 15 to 20 knots with gusts to
around 30 knots. chance of rain showers in the evening. slight
chance of thunderstorms through the night. rain showers after
midnight. waves 1 to 2 feet building to 3 to 5 feet in the late
evening and overnight. waves occasionally to 7 feet. a small
craft advisory may be needed. 
.tuesday...north wind 10 to 15 knots with gusts to around
20 knots becoming northwest 5 to 10 knots in the late morning and
afternoon. rain showers in the morning. waves 3 to 5 feet
subsiding to 1 to 3 feet late in the afternoon. waves
occasionally to 7 feet. a small craft advisory may be needed. 

$$

fzus53 kdlh 180008
nshdlh
expires:202605181000;;737184

nearshore marine forecast
national weather service duluth mn
708 pm cdt sun may 17 2026

for waters within five nautical miles of shore on lake superior.         

waves are the significant wave height - the average of the highest 
1/3 of the wave spectrum. occasional wave height is the average of 
the highest 1/10 of the wave spectrum.


lsz146-181000-
port wing to sand island wi-
708 pm cdt sun may 17 2026

...small craft advisory in effect until 1 am cdt monday...

.rest of tonight...northeast wind 15 to 20 knots. gusts up to
30 knots. chance of rain showers in the evening. chance of
thunderstorms through the night. rain showers after midnight.
waves 6 to 9 feet subsiding to 4 to 7 feet after midnight. waves
occasionally to 12 feet. 
.monday...north wind 5 to 10 knots becoming northwest late in the
morning, then becoming southwest early in the afternoon becoming
east late in the afternoon. chance of rain showers and slight
chance of thunderstorms in the morning, then slight chance of
rain showers in the afternoon. waves 2 to 4 feet subsiding to
1 to 3 feet in the afternoon. a small craft advisory may be
needed. 
.monday night...east wind 10 to 15 knots with gusts to around
25 knots becoming northeast 20 to 25 knots with gusts to around
30 knots after midnight. chance of rain showers in the evening.
slight chance of thunderstorms through the night. rain showers
after midnight. waves 1 to 3 feet building to 3 to 5 feet after
midnight. waves occasionally to 7 feet. a small craft advisory
may be needed. 
.tuesday...northeast wind 10 to 15 knots with gusts to around
20 knots becoming northwest 5 to 10 knots in the late morning and
afternoon. rain showers in the morning. waves 3 to 5 feet
subsiding to 1 to 3 feet late in the afternoon. waves
occasionally to 7 feet. a small craft advisory may be needed. 

$$

fzus53 kdtx 180136
nshdtx
expires:202605180945;;740307

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
936 pm edt sun may 17 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


lhz422-180945-
inner saginaw bay sw of point au gres to bay port mi-
936 pm edt sun may 17 2026

...small craft advisory in effect from monday morning through
monday evening...

.rest of tonight...northeast winds 10 to 15 knots becoming
southeast 15 to 20 knots after midnight. mostly cloudy this
evening becoming partly cloudy. scattered showers and
thunderstorms this evening. waves 1 to 3 feet. 
.monday...south winds 15 to 20 knots becoming southwest 20 to
25 knots with gusts to 30 knots in the late morning and
afternoon. partly cloudy becoming sunny in the late morning and
early afternoon becoming partly cloudy. a slight chance of
showers in the late morning and early afternoon. a chance of
showers and thunderstorms early in the afternoon. waves 2 to
4 feet. 
.monday night...southwest winds 20 to 25 knots diminishing to
15 to 20 knots in the late evening and overnight. mostly cloudy.
a chance of showers and thunderstorms early in the evening, then
a chance of showers in the late evening and early morning. waves
2 to 4 feet. 
.tuesday...southwest winds 20 to 25 knots increasing to 30 knots
in the late morning and afternoon. a chance of showers until late
afternoon, then showers and a chance of thunderstorms early in
the afternoon. waves 3 to 5 feet. waves occasionally around
6 feet. 

see lake huron open lake forecast for days 3 through 5.

$$

fzus53 kdtx 180136
nshdtx
expires:202605180945;;740309

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
936 pm edt sun may 17 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


lhz441-180945-
port austin to harbor beach mi-
936 pm edt sun may 17 2026

...small craft advisory in effect from monday morning through
monday evening...

.rest of tonight...southeast winds 10 to 15 knots veering to the
south early in the morning. mostly cloudy. scattered showers and
thunderstorms this evening, then scattered showers and isolated
thunderstorms after midnight. waves 1 to 3 feet. 
.monday...south winds 10 to 15 knots becoming southwest 15 to
20 knots in the late morning and afternoon. partly cloudy
becoming mostly sunny in the late morning and early afternoon
becoming partly cloudy. a slight chance of showers in the late
morning and early afternoon. light showers likely and a chance of
thunderstorms early in the afternoon. waves 1 to 3 feet building
to 2 to 4 feet in the late morning and afternoon. 
.monday night...southwest winds 15 to 20 knots. mostly cloudy.
light showers likely early in the evening. a chance of
thunderstorms until early morning. a chance of showers in the
late evening and early morning. waves 2 to 4 feet. 
.tuesday...south winds 15 to 20 knots becoming southwest 20 to
25 knots with gusts to 30 knots in the late morning and
afternoon. partly cloudy. light showers likely and a chance of
thunderstorms early in the afternoon. waves 1 to 3 feet building
to 3 to 5 feet in the late morning and afternoon. waves
occasionally around 7 feet. 

see lake huron open lake forecast for days 3 through 5.

$$

fzus53 kdtx 180136
nshdtx
expires:202605180945;;740308

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
936 pm edt sun may 17 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


lhz421-180945-
outer saginaw bay sw of alabaster to port austin mi to inner
saginaw bay-
936 pm edt sun may 17 2026

...small craft advisory in effect from monday morning through
monday evening...

.rest of tonight...east winds 10 to 15 knots becoming southeast
15 to 20 knots after midnight. mostly cloudy. scattered showers
and thunderstorms this evening, then isolated showers after
midnight. waves 1 to 3 feet building to 2 to 4 feet after
midnight. 
.monday...south winds 15 to 20 knots becoming southwest 20 to
25 knots in the late morning and afternoon. partly cloudy early
in the morning, then sunny with a slight chance of showers in the
late morning and early afternoon. partly cloudy with a chance of
showers and thunderstorms early in the afternoon. waves 2 to
4 feet. 
.monday night...southwest winds 15 to 20 knots. mostly cloudy. a
chance of showers and thunderstorms until early morning. waves
3 to 5 feet. waves occasionally around 7 feet. 
.tuesday...southwest winds 20 to 25 knots increasing to 30 knots
in the late morning and afternoon. mostly cloudy early in the
morning becoming partly cloudy. a chance of showers in the late
morning and early afternoon. light showers likely and a chance of
thunderstorms early in the afternoon. waves 4 to 6 feet. waves
occasionally around 8 feet. 

see lake huron open lake forecast for days 3 through 5.

$$

fzus53 kdtx 180136
nshdtx
expires:202605180945;;740312

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
936 pm edt sun may 17 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


lez444-180945-
michigan waters of lake erie from detroit river to north cape mi-
936 pm edt sun may 17 2026

.rest of tonight...south winds 10 to 15 knots. partly cloudy.
waves 2 feet or less. 
.monday...south winds 10 to 15 knots increasing to 15 to 20 knots
in the late morning and afternoon. sunny until late afternoon
becoming partly cloudy. a chance of showers and thunderstorms
early in the afternoon. waves 1 to 3 feet. 
.monday night...southwest winds 15 to 20 knots diminishing to
10 to 15 knots in the late evening and overnight. mostly cloudy
with a chance of showers and thunderstorms early in the evening,
then mostly cloudy with a chance of showers in the late evening
and early morning. partly cloudy after midnight. waves 1 to
3 feet. 
.tuesday...south winds 10 to 15 knots becoming southwest 20 to 25
knots in the late morning and afternoon. light showers and a chance
of thunderstorms early in the afternoon. waves 1 to 3 feet building
to 2 to 4 feet in the late morning and afternoon. a small craft
advisory may be needed.

see lake erie open lake forecast for days 3 through 5.

the water temperature at belle isle is missing.

$$

fzus53 kdtx 180136
nshdtx
expires:202605180945;;740310

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
936 pm edt sun may 17 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


lhz442-180945-
harbor beach to port sanilac mi-
936 pm edt sun may 17 2026

...small craft advisory in effect from monday morning through
monday evening...

.rest of tonight...southeast winds 10 to 15 knots veering to the
south early in the morning. mostly cloudy. scattered showers and
thunderstorms this evening, then isolated showers after midnight.
waves 1 to 3 feet. 
.monday...south winds 10 to 15 knots increasing to 15 to 20 knots
in the late morning and afternoon. partly cloudy early in the
morning, then mostly sunny with a slight chance of showers in the
late morning and early afternoon. mostly sunny with a chance of
showers and thunderstorms early in the afternoon. waves 1 to
3 feet building to 2 to 4 feet in the late morning and afternoon.
.monday night...southwest winds 15 to 20 knots. mostly cloudy
until early morning becoming partly cloudy. rain showers likely
and a chance of thunderstorms until early morning, then a chance
of showers after midnight. waves 2 to 4 feet subsiding to 1 to
3 feet in the late evening and overnight. 
.tuesday...southwest winds 15 to 20 knots with gusts to 30 knots
increasing to 20 to 25 knots with gusts to 30 knots early in the
afternoon. a chance of showers early in the morning. light
showers and a chance of thunderstorms early in the afternoon.
waves 2 to 4 feet. 

see lake huron open lake forecast for days 3 through 5.

$$

fzus53 kdtx 180136
nshdtx
expires:202605180945;;740311

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
936 pm edt sun may 17 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.


lhz443-180945-
port sanilac to port huron mi-
936 pm edt sun may 17 2026

...small craft advisory in effect from monday morning through
monday evening...

.rest of tonight...south winds 10 to 15 knots. mostly cloudy with
isolated showers and thunderstorms this evening, then partly
cloudy after midnight. waves 1 to 3 feet. 
.monday...south winds 15 to 20 knots. mostly sunny. a chance of
showers and thunderstorms early in the afternoon. waves 1 to
3 feet building to 2 to 4 feet in the late morning and afternoon.
.monday night...southwest winds 15 to 20 knots. mostly cloudy
until early morning becoming partly cloudy. a chance of showers
and thunderstorms until early morning, then a chance of showers
after midnight. waves 2 to 4 feet subsiding to 1 to 3 feet in the
late evening and overnight. 
.tuesday...south winds 15 to 20 knots becoming southwest 20 to
25 knots in the late morning and afternoon. a chance of showers
early in the morning. light showers and a chance of thunderstorms
early in the afternoon. waves 2 to 4 feet. 

see lake huron open lake forecast for days 3 through 5.

$$

fzus53 kgrb 180136
nshgrb
expires:202605180400;;740347

nearshore marine forecast
national weather service green bay wi
836 pm cdt sun may 17 2026

for waters within five nautical miles of shore on lake michigan


lmz521-522-180400-
green bay south of line from cedar river to rock island passage
and north of a line from oconto wi to little sturgeon bay wi-
green bay south of line from oconto wi to little sturgeon bay wi-
836 pm cdt sun may 17 2026

...small craft advisory in effect through monday evening...

.tonight...e wind 10 to 15 kts veering s after midnight. waves
1 to 3 ft. patchy dense fog. a chance of showers and
thunderstorms. 
.monday...s wind 10 to 20 kts. waves 1 to 3 ft. a chance of
showers and a slight chance of thunderstorms. 
.monday night...s wind 10 to 15 kts backing se in the late
evening and overnight. waves 2 ft or less. rain showers and a
chance of thunderstorms. patchy fog after midnight. 
.tuesday...s wind 15 to 25 kts veering nw 10 to 20 kts early in
the afternoon. waves 1 to 3 ft. rain showers likely in the
morning. a small craft advisory may be needed.  

$$

fzus53 kgrb 180136
nshgrb
expires:202605180400;;740348

nearshore marine forecast
national weather service green bay wi
836 pm cdt sun may 17 2026

for waters within five nautical miles of shore on lake michigan


lmz541-180400-
rock island passage to sturgeon bay wi-
836 pm cdt sun may 17 2026

...small craft advisory in effect through late tuesday night...

.tonight...e wind 10 to 15 kts veering se, then veering s 15 to
25 kts after midnight. waves 4 to 7 ft. patchy dense fog. a
chance of showers and thunderstorms. 
.monday...s wind 15 to 25 kts decreasing to 10 to 15 kts early in
the afternoon. waves 5 to 8 ft. a chance of showers and a slight
chance of thunderstorms. 
.monday night...s wind 10 to 15 kts increasing to 15 to 25 kts
after midnight. waves 4 to 7 ft. a chance of showers in the
evening. a chance of thunderstorms. rain showers after midnight.
areas of dense fog after midnight. 
.tuesday...s wind 15 to 25 kts veering nw 10 to 20 kts early in
the afternoon. waves 4 to 7 ft. rain showers likely in the
morning.  

$$

fzus53 kgrb 180136
nshgrb
expires:202605180400;;740349

nearshore marine forecast
national weather service green bay wi
836 pm cdt sun may 17 2026

for waters within five nautical miles of shore on lake michigan


lmz542-543-180400-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
836 pm cdt sun may 17 2026

...dense fog advisory in effect until 4 am cdt monday...
...small craft advisory in effect through late tuesday night...

.tonight...e wind 5 to 10 kts becoming s 15 to 25 kts in the late
evening and overnight. waves 4 to 7 ft. areas of dense fog. a
chance of showers and thunderstorms. 
.monday...s wind 15 to 25 kts. waves 4 to 7 ft. a chance of
showers and a slight chance of thunderstorms. 
.monday night...s wind 10 to 15 kts increasing to 15 to 25 kts in
the late evening and overnight. waves 4 to 7 ft. a chance of
showers in the evening. a chance of thunderstorms. rain showers
after midnight. patchy fog after midnight. 
.tuesday...s wind 15 to 25 kts veering w early in the afternoon.
waves 4 to 7 ft. a chance of showers in the morning.  

$$

fzus53 kgrr 180136
nshgrr
expires:202605180800;;740314

nearshore marine forecast
national weather service grand rapids mi
936 pm edt sun may 17 2026

for waters within five nautical miles of shore on lake michigan


lmz848-180800-
whitehall to pentwater mi-
936 pm edt sun may 17 2026

...small craft advisory in effect through monday evening...

.through early evening...southeast winds around 15 knots. rain
showers likely and a chance of thunderstorms. waves around 1 foot. 
.tonight...south winds 15 to 25 knots increasing to 30 knots after
midnight. mostly cloudy with a chance of showers and thunderstorms
in the evening, then partly cloudy after midnight. waves 2 to 3 feet
building to 4 to 6 feet in the late evening and overnight. 
.monday...south winds to 30 knots. rain showers likely and a chance
of thunderstorms. waves 6 to 8 feet. 
.monday night...south winds to 30 knots. rain showers and a chance
of thunderstorms. waves 5 to 7 feet. 
.tuesday...south winds to 30 knots veering southwest early in the
afternoon. rain showers and a chance of thunderstorms. waves 6 to
8 feet. 
.tuesday night...northwest winds 20 to 25 knots veering north after
midnight. partly cloudy. waves 4 to 6 feet. 
.wednesday...north winds 20 to 25 knots. mostly sunny. waves 2 to
4 feet. 
.thursday...northeast winds 5 to 10 knots backing northwest 10 to
15 knots early in the afternoon. mostly sunny. waves around 1 foot. 
.friday...east winds 10 to 15 knots backing northeast early in the
afternoon. partly sunny. waves 1 foot or less. 

$$

fzus53 kgrr 180136
nshgrr
expires:202605180800;;740318

nearshore marine forecast
national weather service grand rapids mi
936 pm edt sun may 17 2026

for waters within five nautical miles of shore on lake michigan


lmz844-180800-
st joseph to south haven mi-
936 pm edt sun may 17 2026

.through early evening...south winds 10 to 15 knots. mostly sunny.
waves 1 to 2 feet. 
.tonight...south winds 15 to 20 knots. partly cloudy. waves 1 to
3 feet. 
.monday...south winds 20 to 25 knots. partly sunny with a chance of
showers and thunderstorms. waves 2 to 4 feet.
.monday night...south winds 15 to 25 knots. mostly cloudy with a
chance of showers and thunderstorms. waves 2 to 4 feet. 
.tuesday...south winds 20 to 25 knots veering southwest early in the
afternoon. partly sunny with a chance of showers and thunderstorms.
waves 3 to 5 feet. 
.tuesday night...west winds 15 to 20 knots veering northwest in the
late evening and overnight. mostly cloudy. waves 3 to 5 feet. 
.wednesday...north winds around 20 knots. mostly sunny. waves 3 to
5 feet. 
.thursday...east winds 10 to 15 knots backing northeast early in the
afternoon. mostly sunny. waves 1 to 2 feet. 
.friday...east winds 10 to 15 knots backing north early in the
afternoon. mostly cloudy. waves 1 foot or less. 

$$

fzus53 kgrr 180136
nshgrr
expires:202605180800;;740313

nearshore marine forecast
national weather service grand rapids mi
936 pm edt sun may 17 2026

for waters within five nautical miles of shore on lake michigan


lmz849-180800-
pentwater to manistee mi-
936 pm edt sun may 17 2026

...small craft advisory in effect through monday evening...

.through early evening...northeast winds 10 to 15 knots. rain
showers likely and a chance of thunderstorms. waves 1 to 2 feet. 
.tonight...east winds 10 to 20 knots becoming south to 30 knots in
the late evening and overnight. mostly cloudy in the evening then
becoming partly cloudy. a chance of showers and thunderstorms. waves
1 to 2 feet building to 4 to 6 feet. 
.monday...south winds to 30 knots. rain showers likely and a chance
of thunderstorms. waves 5 to 7 feet. 
.monday night...south winds to 30 knots. mostly cloudy with a chance
of showers and thunderstorms. waves 4 to 6 feet. 
.tuesday...south winds to 30 knots veering southwest early in the
afternoon. rain showers likely and a slight chance of thunderstorms.
waves 5 to 7 feet. 
.tuesday night...northwest winds 15 to 25 knots veering north after
midnight. partly cloudy. waves 4 to 6 feet. 
.wednesday...north winds 15 to 20 knots. mostly sunny. waves 2 to
4 feet. 
.thursday...northeast winds 5 to 10 knots backing north 10 to
15 knots early in the afternoon. sunny. waves 1 foot or less. 
.friday...east winds 10 to 15 knots backing north early in the
afternoon. partly sunny. waves 1 foot or less. 

$$

fzus53 kgrr 180136
nshgrr
expires:202605180800;;740315

nearshore marine forecast
national weather service grand rapids mi
936 pm edt sun may 17 2026

for waters within five nautical miles of shore on lake michigan


lmz847-180800-
grand haven to whitehall mi-
936 pm edt sun may 17 2026

...small craft advisory in effect through monday evening...

.through early evening...southeast winds 10 to 15 knots. mostly
cloudy with a slight chance of showers and thunderstorms. waves
around 1 foot. 
.tonight...south winds 15 to 25 knots increasing to 30 knots after
midnight. mostly cloudy with a slight chance of showers and
thunderstorms in the evening, then partly cloudy after midnight.
waves 2 to 3 feet building to 4 to 6 feet in the late evening and
overnight. 
.monday...south winds to 30 knots. rain showers likely and a chance
of thunderstorms. waves 5 to 7 feet. 
.monday night...south winds to 30 knots. mostly cloudy with a chance
of showers and thunderstorms. waves 4 to 6 feet. 
.tuesday...south winds to 30 knots veering southwest early in the
afternoon. rain showers and a chance of thunderstorms. waves 6 to
8 feet. 
.tuesday night...northwest winds 20 to 25 knots veering north after
midnight. partly cloudy. waves 4 to 6 feet. 
.wednesday...north winds 15 to 25 knots. mostly sunny. waves 2 to
4 feet. 
.thursday...east winds 10 to 15 knots backing north early in the
afternoon. mostly sunny. waves 1 foot or less. 
.friday...east winds 10 to 15 knots backing northeast early in the
afternoon. partly sunny. waves 1 foot or less. 

$$

fzus53 kgrr 180136
nshgrr
expires:202605180800;;740316

nearshore marine forecast
national weather service grand rapids mi
936 pm edt sun may 17 2026

for waters within five nautical miles of shore on lake michigan


lmz846-180800-
holland to grand haven mi-
936 pm edt sun may 17 2026

...small craft advisory in effect through monday evening...

.through early evening...south winds 10 to 15 knots. mostly sunny
with a slight chance of showers and thunderstorms. waves 1 foot or
less. 
.tonight...south winds 15 to 25 knots. partly cloudy. waves 1 to
3 feet building to 3 to 5 feet in the late evening and overnight. 
.monday...south winds to 30 knots. rain showers likely and a chance
of thunderstorms. waves 4 to 6 feet. 
.monday night...south winds 20 to 25 knots. rain showers likely and
a chance of thunderstorms. waves 4 to 6 feet. 
.tuesday...south winds to 30 knots veering southwest early in the
afternoon. rain showers likely and a chance of thunderstorms. waves
5 to 7 feet. 
.tuesday night...northwest winds 20 to 25 knots becoming around
20 knots after midnight. mostly cloudy. waves 3 to 5 feet. 
.wednesday...north winds 15 to 25 knots. mostly sunny. waves 3 to
5 feet. 
.thursday...northeast winds 10 to 15 knots. mostly sunny. waves
1 foot or less. 
.friday...east winds 10 to 15 knots backing northeast early in the
afternoon. mostly cloudy. waves around 1 foot. 

$$

fzus53 kgrr 180136
nshgrr
expires:202605180800;;740317

nearshore marine forecast
national weather service grand rapids mi
936 pm edt sun may 17 2026

for waters within five nautical miles of shore on lake michigan


lmz845-180800-
south haven to holland mi-
936 pm edt sun may 17 2026

.through early evening...south winds 10 to 15 knots. sunny. waves
1 foot or less. 
.tonight...south winds 15 to 25 knots. partly cloudy. waves 2 to
4 feet.
.monday...south winds 20 to 25 knots. rain showers likely and a
chance of thunderstorms. waves 3 to 5 feet. 
.monday night...south winds 15 to 25 knots. mostly cloudy with a
chance of showers and thunderstorms. waves 3 to 5 feet. 
.tuesday...south winds to 30 knots veering southwest 20 to 25 knots
early in the afternoon. partly sunny with rain showers likely and a
chance of thunderstorms. waves 4 to 6 feet. 
.tuesday night...west winds 20 to 25 knots veering northwest in the
late evening and overnight. mostly cloudy. waves 3 to 5 feet. 
.wednesday...north winds 15 to 25 knots. mostly sunny. waves 3 to
5 feet. 
.thursday...east winds 10 to 15 knots backing northeast early in the
afternoon. mostly sunny. waves around 1 foot. 
.friday...east winds 10 to 15 knots backing north early in the
afternoon. mostly cloudy. waves 1 foot or less. 

$$

fzus53 kiwx 171948
nshiwx
expires:202605180230;;726923

nearshore marine forecast
national weather service northern indiana
348 pm edt sun may 17 2026

for waters within five nautical miles of shore on lake michigan


lmz046-180230-
michigan city in to new buffalo mi-
348 pm edt sun may 17 2026

.tonight...south winds 10 to 20 knots. a few gusts up to 25 knots
possible early this evening. mostly clear. waves 1 to 2 feet. 
.monday...south winds 10 to 15 knots increasing to 15 to
25 knots. a chance of showers with a slight chance of 
thunderstorms in the morning, then showers likely with a chance of
thunderstorms in the afternoon. waves 1 to 3 feet. 
.monday night...south winds 15 to 25 knots. showers likely with 
a chance of thunderstorms in the evening, then a chance of showers
overnight. waves 1 to 3 feet. 
.tuesday...south winds 15 to 25 knots becoming southwest 10 to
15 knots. a chance of showers in the morning, then showers with a
chance of thunderstorms in the afternoon. waves 1 to 3 feet 
building to 2 to 4 feet. 

winds and waves higher in and near thunderstorms.

the water temperature at st. joseph is 53 degrees and at michigan
city is 51 degrees.

$$

fzus53 kiwx 171948
nshiwx
expires:202605180230;;726924

nearshore marine forecast
national weather service northern indiana
348 pm edt sun may 17 2026

for waters within five nautical miles of shore on lake michigan


lmz043-180230-
new buffalo mi to st joseph mi-
348 pm edt sun may 17 2026

.tonight...south winds 10 to 20 knots. a few gusts up to 25 knots
possible early this evening. partly cloudy. waves 1 to 3 feet. 
.monday...south winds 10 to 20 knots increasing to 15 to 25 
knots. a chance of showers with a slight chance of thunderstorms 
in the morning, then showers likely with a chance of thunderstorms
in the afternoon. waves 1 to 3 feet. 
.monday night...south winds 15 to 25 knots. showers likely with 
a chance of thunderstorms in the evening, then a chance of showers
overnight. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.tuesday...south winds 15 to 25 knots becoming southwest. gusts
up to 30 knots. a chance of showers in the morning, then showers
likely with a chance of thunderstorms in the afternoon. waves
2 to 4 feet. 

winds and waves higher in and near thunderstorms.

the water temperature at st. joseph is 53 degrees and at michigan
city is 51 degrees.

$$

fzus53 klot 171955
nshlot
expires:202605180330;;727018

nearshore marine forecast
national weather service chicago/romeoville il
255 pm cdt sun may 17 2026

for waters within five nautical miles of shore on lake michigan

waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the waves, along with the
average height of the highest 10 percent of the waves which will
occasionally be encountered.


lmz740-180330-
winthrop harbor to wilmette harbor il-
255 pm cdt sun may 17 2026

.late this afternoon...northeast winds 10 to 20 kt. waves 1 to 3 
ft.
.tonight...south winds 15 to 25 kt. mostly cloudy in the evening,
then becoming partly cloudy. waves 2 to 4 ft. 
.monday...south winds 15 to 25 kt. showers likely and a chance of
thunderstorms in the morning, then showers and thunderstorms 
likely in the afternoon. waves 2 to 4 ft. 
.monday night...south winds 15 to 25 kt. chance of showers and 
thunderstorms. waves 2 to 4 ft. 
.tuesday...southwest winds 20 to 25 kt becoming west in the
afternoon. showers likely and slight chance of thunderstorms.
waves 3 to 5 ft subsiding to 2 to 4 ft. 

$$

fzus53 klot 171955
nshlot
expires:202605180330;;727020

nearshore marine forecast
national weather service chicago/romeoville il
255 pm cdt sun may 17 2026

for waters within five nautical miles of shore on lake michigan

waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the waves, along with the
average height of the highest 10 percent of the waves which will
occasionally be encountered.


lmz743>745-180330-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
255 pm cdt sun may 17 2026

...small craft advisory in effect until 10 pm cdt this evening...

.late this afternoon...south winds to 30 kt with a few 35 kt
gales. mostly cloudy. waves 1 to 3 ft. 
.tonight...south winds to 30 kt diminishing to to 15 to 25 kt. 
partly cloudy in the evening then clearing. waves 1 to 3 ft. 
.monday...south winds 20 to 25 kt becoming southwest. chance of
showers and thunderstorms in the morning, then showers and
thunderstorms likely in the afternoon. waves 2 to 4 ft. a small
craft advisory may be needed. 
.monday night...south winds 15 to 25 kt. chance of showers and 
thunderstorms. waves 2 to 4 ft. 
.tuesday...southwest winds 20 to 25 kt. slight chance of showers 
and thunderstorms in the morning, then showers and a chance of 
thunderstorms in the afternoon. waves 2 to 4 ft. 

$$

fzus53 klot 171955
nshlot
expires:202605180330;;727019

nearshore marine forecast
national weather service chicago/romeoville il
255 pm cdt sun may 17 2026

for waters within five nautical miles of shore on lake michigan

waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the waves, along with the
average height of the highest 10 percent of the waves which will
occasionally be encountered.


lmz741-742-180330-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
255 pm cdt sun may 17 2026

...small craft advisory in effect until 10 pm cdt this evening...

.late this afternoon...south winds to 30 kt with a few 35 kt gales.
mostly cloudy. waves 2 to 4 ft. 
.tonight...south winds to 30 kt diminishing to 15 to 25 kt. 
partly cloudy. waves 2 to 4 ft. 
.monday...south winds 15 to 25 kt. showers likely and a chance of
thunderstorms in the morning, then showers and thunderstorms 
likely in the afternoon. waves 2 to 4 ft. 
.monday night...south winds 15 to 25 kt. chance of showers and 
thunderstorms. waves 2 to 4 ft. 
.tuesday...southwest winds 20 to 25 kt becoming west in the
afternoon. chance of showers and slight chance of thunderstorms
in the morning, then showers likely and a chance of thunderstorms
in the afternoon. waves 2 to 4 ft.  

$$

fzus53 kmkx 180010
nshmkx
expires:202605180400;;737558

nearshore marine forecast
national weather service milwaukee/sullivan wi
710 pm cdt sun may 17 2026

for waters within five nautical miles of shore on lake michigan


lmz645-180400-
north point light to wind point wi-
710 pm cdt sun may 17 2026

.tonight...east wind 5 to 15 knots becoming south 15 to 20 knots
in the late evening and overnight. chance of showers and slight
chance of thunderstorms early in the morning. waves 3 to 4 feet. 
.monday...south wind 15 to 20 knots becoming 10 to 20 knots in
the late morning and early afternoon, then becoming 15 to
20 knots late in the afternoon. rain showers likely in the
morning. chance of thunderstorms through the day. chance of
showers in the afternoon. waves 3 to 4 feet. 
.monday night...south wind 15 to 20 knots becoming 15 to 25 knots
early in the morning. chance of showers through around midnight.
chance of thunderstorms through the night. showers likely after
midnight. waves 3 to 4 feet. a small craft advisory may be
needed. 
.tuesday...southwest wind 15 to 25 knots becoming 15 to 20 knots
late in the morning, then veering west early in the afternoon
becoming west 15 to 20 knots late in the afternoon. chance of
thunderstorms in the morning. rain showers likely through the
day. slight chance of thunderstorms in the afternoon. waves 3 to
5 feet subsiding to 3 to 4 feet in the afternoon. 

$$

fzus53 kmkx 180010
nshmkx
expires:202605180400;;737556

nearshore marine forecast
national weather service milwaukee/sullivan wi
710 pm cdt sun may 17 2026

for waters within five nautical miles of shore on lake michigan


lmz643-180400-
sheboygan to port washington wi-
710 pm cdt sun may 17 2026

.tonight...northeast wind 10 to 15 knots veering southeast late
in the evening, then becoming south 15 to 20 knots after
midnight. patchy fog through the night. slight chance of showers
and thunderstorms in the evening. chance of showers and
thunderstorms early in the morning. waves 3 to 4 feet building to
5 to 7 feet. 
.monday...south wind 15 to 20 knots becoming 10 to 20 knots late
in the morning, then rising to 15 to 25 knots early in the
afternoon becoming 15 to 20 knots late in the afternoon. chance
of showers and thunderstorms. waves 5 to 7 feet subsiding to 4 to
6 feet late in the afternoon. a small craft advisory may be
needed. 
.monday night...south wind 15 to 20 knots becoming 15 to 25 knots
early in the morning. slight chance of showers and thunderstorms
through around midnight, then showers and a chance of
thunderstorms after midnight. waves 4 to 6 feet. 
.tuesday...south wind 15 to 25 knots veering southwest 15 to
20 knots late in the morning, then veering west 10 to 20 knots
early in the afternoon becoming 15 to 20 knots late in the
afternoon. rain showers and slight chance of thunderstorms in the
morning. waves 5 to 7 feet subsiding to 4 to 6 feet in the late
morning and afternoon. 

$$

fzus53 kmkx 180010
nshmkx
expires:202605180400;;737559

nearshore marine forecast
national weather service milwaukee/sullivan wi
710 pm cdt sun may 17 2026

for waters within five nautical miles of shore on lake michigan


lmz646-180400-
wind point wi to winthrop harbor il-
710 pm cdt sun may 17 2026

.tonight...east wind 5 to 15 knots becoming south 15 to 20 knots
in the late evening and overnight. chance of showers and slight
chance of thunderstorms early in the morning. waves 3 to 4 feet. 
.monday...south wind 15 to 20 knots. rain showers likely in the
morning. chance of thunderstorms through the day. chance of
showers in the afternoon. waves 3 to 4 feet. 
.monday night...south wind 15 to 20 knots. chance of showers
through around midnight. chance of thunderstorms through the
night. rain showers likely after midnight. waves 3 to 4 feet. 
.tuesday...south wind 15 to 25 knots veering southwest 15 to
20 knots in the late morning and early afternoon, then veering
west late in the afternoon. chance of thunderstorms in the
morning. rain showers likely through the day. slight chance of
thunderstorms in the afternoon. waves 3 to 5 feet subsiding to
3 to 4 feet in the late morning and afternoon. a small craft
advisory may be needed. 

$$

fzus53 kmkx 180010
nshmkx
expires:202605180400;;737557

nearshore marine forecast
national weather service milwaukee/sullivan wi
710 pm cdt sun may 17 2026

for waters within five nautical miles of shore on lake michigan


lmz644-180400-
port washington to north point light wi-
710 pm cdt sun may 17 2026

.tonight...east wind 5 to 15 knots veering southeast 10 to
15 knots late in the evening, then becoming south 15 to 20 knots
after midnight. patchy fog until early morning. chance of showers
and thunderstorms early in the morning. waves 3 to 4 feet
building to 4 to 6 feet after midnight. 
.monday...south wind 15 to 20 knots becoming 10 to 20 knots early
in the afternoon, then becoming 15 to 20 knots late in the
afternoon. chance of showers and thunderstorms. waves 3 to
5 feet. 
.monday night...south wind 15 to 20 knots becoming 15 to 25 knots
early in the morning. slight chance of showers and thunderstorms
through around midnight, then showers and a chance of
thunderstorms after midnight. waves 3 to 4 feet building to 3 to
5 feet early in the morning. a small craft advisory may be
needed. 
.tuesday...southwest wind 15 to 25 knots becoming 15 to 20 knots
late in the morning, then veering west 10 to 20 knots early in
the afternoon becoming 15 to 20 knots late in the afternoon.
chance of showers in the morning. slight chance of thunderstorms
through the day. slight chance of showers in the afternoon. waves
4 to 6 feet subsiding to 3 to 5 feet late in the morning, then
subsiding to 3 to 4 feet in the afternoon. 

$$

fzus53 kmqt 172104
nshmqt
expires:202605180800;;730084

nearshore marine forecast
national weather service marquette mi
503 pm edt sun may 17 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lsz240-241-180800-
saxon harbor wi to black river mi-
black river to ontonagon mi-
503 pm edt sun may 17 2026 /403 pm cdt sun may 17 2026/

...small craft advisory in effect until 5 am edt /4 am cdt/
monday...

.late this afternoon...northeast wind 15 to 25 knots. mostly
cloudy with a slight chance of showers and thunderstorms. waves
4 to 7 feet occasionally to 9 feet building to 5 to 8 feet
occasionally to 10 feet. 
.tonight...east wind 10 to 20 knots. a chance of showers and
thunderstorms through late evening, then rain showers likely and
a chance of thunderstorms by midnight. waves subsiding to 2 to
3 feet. 
.monday...west wind less than 10 knots veering northeast 5 to
15 knots late. cloudy with a chance of rain showers. waves
subsiding to 1 to 2 feet, then building to 2 to 3 feet. 
.monday night...northeast wind 10 to 20 knots. a slight chance of
showers and thunderstorms in the evening, then rain showers and a
slight chance of thunderstorms after midnight. waves building to
5 to 8 feet occasionally to 10 feet. 
.tuesday...north wind 15 to 25 knots backing west 10 to 20 knots
in the afternoon. cloudy. rain showers likely in the morning.
waves building to 6 to 9 feet occasionally to 11 feet, then
subsiding to 3 to 5 feet occasionally to 7 feet. 

$$

fzus53 kmqt 172104
nshmqt
expires:202605180800;;730085

nearshore marine forecast
national weather service marquette mi
503 pm edt sun may 17 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lsz242-243-180800-
ontonagon to upper entrance of portage canal mi-
upper entrance of portage canal to eagle river mi-
503 pm edt sun may 17 2026

...small craft advisory in effect until 2 am edt monday...

.late this afternoon...east wind 15 to 20 knots. mostly cloudy
with a slight chance of rain showers. waves 2 to 4 feet. 
.tonight...east wind 10 to 20 knots becoming 10 to 15 knots late.
a chance of showers and thunderstorms through late evening, then
rain showers likely and a chance of thunderstorms by midnight.
waves subsiding to 2 to 3 feet. 
.monday...southwest wind less than 10 knots veering north 10 to
15 knots late. cloudy with a chance of rain showers. waves
subsiding to 1 to 2 feet, then building to 2 to 3 feet. 
.monday night...northeast wind 10 to 20 knots. a chance of rain
showers and a slight chance of thunderstorms in the evening, then
rain showers and a slight chance of thunderstorms after midnight.
waves building to 4 to 7 feet occasionally to 9 feet. 
.tuesday...north wind 20 to 25 knots backing northwest 15 to
25 knots in the afternoon. cloudy. rain showers likely in the
morning. waves building to 7 to 10 feet occasionally to 13 feet,
then subsiding to 3 to 6 feet occasionally to 8 feet. 

$$

fzus53 kmqt 172104
nshmqt
expires:202605180800;;730086

nearshore marine forecast
national weather service marquette mi
503 pm edt sun may 17 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lsz244-245-180800-
eagle river to manitou island mi-
manitou island to point isabelle mi-
503 pm edt sun may 17 2026

...small craft advisory in effect through monday afternoon...

.late this afternoon...east wind 10 to 15 knots. mostly cloudy
with a slight chance of rain showers. waves 1 to 2 feet. 
.tonight...east wind 15 to 20 knots veering southeast 10 to
20 knots late. gusts up to 28 knots. a chance of showers and
thunderstorms through late evening, then rain showers likely and
a chance of thunderstorms by midnight. waves building to 3 to
6 feet occasionally to 8 feet. 
.monday...south wind 5 to 15 knots veering northwest 10 to
15 knots by late morning, then veering north late. cloudy. a
chance of rain showers through early afternoon, then a chance of
rain showers and a slight chance of thunderstorms late. waves
subsiding to 2 to 4 feet. 
.monday night...northeast wind 15 to 20 knots. gusts up to
27 knots. a chance of rain showers and a slight chance of
thunderstorms in the evening, then rain showers and a slight
chance of thunderstorms after midnight. waves building to 4 to
7 feet occasionally to 9 feet. 
.tuesday...north wind 20 to 25 knots backing northwest in the
afternoon. cloudy. rain showers in the morning. waves building to
7 to 10 feet occasionally to 13 feet, then subsiding to 5 to
8 feet occasionally to 10 feet. 

$$

fzus53 kmqt 172104
nshmqt
expires:202605180800;;730087

nearshore marine forecast
national weather service marquette mi
503 pm edt sun may 17 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lsz246-180800-
point isabelle to lower entrance of portage canal mi-
503 pm edt sun may 17 2026

...small craft advisory in effect through monday morning...

.late this afternoon...east wind 15 to 20 knots. cloudy with a
slight chance of rain showers. waves 2 to 4 feet. 
.tonight...east wind 15 to 20 knots becoming 10 to 20 knots late.
a chance of showers and thunderstorms through late evening, then
rain showers likely and a chance of thunderstorms by midnight.
waves building to 3 to 6 feet occasionally to 8 feet. 
.monday...south wind 5 to 15 knots veering west by late morning,
then veering north 10 to 15 knots late. mostly cloudy. a chance
of rain showers through early afternoon, then a chance of rain
showers and a slight chance of thunderstorms late. waves
subsiding to 1 to 2 feet. 
.monday night...northeast wind 10 to 15 knots. gusts up to
22 knots. a chance of rain showers and a slight chance of
thunderstorms in the evening, then rain showers and a slight
chance of thunderstorms after midnight. waves building to 2 to
3 feet. 
.tuesday...north wind 15 to 25 knots backing northwest 15 to
20 knots in the afternoon. cloudy. rain showers in the morning.
waves building to 3 to 5 feet occasionally to 7 feet, then
subsiding to 2 to 3 feet. 

$$

fzus53 kmqt 172104
nshmqt
expires:202605180800;;730088

nearshore marine forecast
national weather service marquette mi
503 pm edt sun may 17 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lsz247-180800-
lower entrance of portage canal to huron islands mi including
keweenaw and huron bays-
503 pm edt sun may 17 2026

...small craft advisory in effect through monday morning...

.late this afternoon...east wind 15 to 20 knots. cloudy with a
chance of rain showers. waves 2 to 4 feet. 
.tonight...east wind 10 to 20 knots becoming 10 to 15 knots late.
a chance of showers and thunderstorms through late evening, then
rain showers likely and a chance of thunderstorms by midnight.
waves building to 3 to 6 feet occasionally to 8 feet, then
subsiding to 3 to 5 feet occasionally to 7 feet. 
.monday...southwest wind less than 10 knots veering north late.
mostly cloudy. a chance of rain showers through mid morning, then
a chance of rain showers and a slight chance of thunderstorms by
late morning. waves subsiding to 1 to 2 feet. 
.monday night...northeast wind 10 to 15 knots. a chance of rain
showers and a slight chance of thunderstorms in the evening, then
rain showers and a slight chance of thunderstorms after midnight.
waves building to 2 to 4 feet. 
.tuesday...north wind 15 to 20 knots backing northwest in the
afternoon. gusts up to 28 knots. cloudy. rain showers likely and
a slight chance of thunderstorms in the morning. waves building
to 3 to 6 feet occasionally to 8 feet, then subsiding to 3 to
5 feet occasionally to 7 feet. 

$$

fzus53 kmqt 172104
nshmqt
expires:202605180800;;730089

nearshore marine forecast
national weather service marquette mi
503 pm edt sun may 17 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lsz248-180800-
huron islands to marquette mi-
503 pm edt sun may 17 2026

...small craft advisory in effect from 11 pm edt this evening
through monday morning...

.late this afternoon...east wind 10 to 15 knots. cloudy with a
chance of rain showers. waves 2 to 3 feet. 
.tonight...east wind 10 to 15 knots veering southeast 10 to
20 knots by midnight. gusts up to 27 knots. rain showers likely
and a chance of thunderstorms through midnight, then a chance of
showers and thunderstorms late. waves building to 3 to 6 feet
occasionally to 8 feet, then subsiding to 3 to 5 feet
occasionally to 7 feet. 
.monday...south wind 10 to 15 knots veering northwest by late
morning, then veering north late. mostly cloudy. a chance of rain
showers and a slight chance of thunderstorms through early
afternoon, then a chance of showers and thunderstorms late. waves
subsiding to 1 to 2 feet, then building to 2 to 3 feet. 
.monday night...north wind 10 to 15 knots veering northeast after
midnight. a chance of rain showers and a slight chance of
thunderstorms in the evening, then rain showers and a slight
chance of thunderstorms after midnight. waves subsiding to 1 to
2 feet, then building to 3 to 5 feet occasionally to 7 feet. 
.tuesday...northwest wind 15 to 25 knots increasing to up to
30 knots in the afternoon. cloudy. rain showers and a slight
chance of thunderstorms in the morning. waves building to 6 to
9 feet occasionally to 11 feet. 

$$

fzus53 kmqt 172104
nshmqt
expires:202605180800;;730090

nearshore marine forecast
national weather service marquette mi
503 pm edt sun may 17 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lsz249-180800-
marquette to munising mi-
503 pm edt sun may 17 2026

...small craft advisory in effect from 11 pm edt this evening
through monday morning...

.late this afternoon...northeast wind 10 to 15 knots. cloudy with
a chance of rain showers. waves 2 to 3 feet. 
.tonight...east wind 10 to 20 knots veering southeast 15 to
20 knots late. gusts up to 27 knots. rain showers likely and a
chance of thunderstorms. waves building to 2 to 4 feet, then
subsiding to 2 to 3 feet. 
.monday...south wind 10 to 20 knots veering southwest 10 to
15 knots by late morning, then veering northwest late. mostly
cloudy. a chance of showers and a slight chance of thunderstorms
through mid morning, then a chance of showers and thunderstorms
by late morning. waves subsiding to 1 to 2 feet, then building to
2 to 3 feet. 
.monday night...northwest wind 5 to 15 knots. cloudy. a chance of
rain showers and a slight chance of thunderstorms in the evening,
then rain showers and a slight chance of thunderstorms after
midnight. waves subsiding to 1 to 2 feet, then building to 2 to
4 feet. 
.tuesday...west wind up to 30 knots veering northwest in the
afternoon. mostly cloudy. rain showers and a slight chance of
thunderstorms in the morning, then a slight chance of showers and
thunderstorms in the afternoon. waves building to 7 to 10 feet
occasionally to 13 feet. 

$$

fzus53 kmqt 172104
nshmqt
expires:202605180800;;730091

nearshore marine forecast
national weather service marquette mi
503 pm edt sun may 17 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lsz250-180800-
munising to grand marais mi-
503 pm edt sun may 17 2026

...small craft advisory in effect from 10 pm edt this evening
through monday morning...

.late this afternoon...east wind 10 to 15 knots. cloudy with a
chance of rain showers. waves 2 to 3 feet. 
.tonight...east wind 10 to 20 knots veering southeast 20 to
25 knots by midnight, then becoming 15 to 25 knots late. showers
likely and a chance of thunderstorms. waves building to 2 to
4 feet. 
.monday...south wind 15 to 20 knots veering southwest 10 to
15 knots by late morning, then veering northwest late. mostly
cloudy with a chance of showers and a slight chance of
thunderstorms. waves subsiding to 1 to 2 feet. 
.monday night...west wind less than 10 knots backing southeast
5 to 15 knots after midnight. cloudy. a chance of rain showers
and a slight chance of thunderstorms in the evening, then rain
showers and a slight chance of thunderstorms after midnight.
waves building to 2 to 3 feet. 
.tuesday...southwest wind 15 to 25 knots veering west up to
30 knots in the afternoon. cloudy. rain showers and a slight
chance of thunderstorms in the morning, then a slight chance of
showers and thunderstorms in the afternoon. waves building to
7 to 10 feet occasionally to 13 feet. 

$$

fzus53 kmqt 172104
nshmqt
expires:202605180800;;730092

nearshore marine forecast
national weather service marquette mi
503 pm edt sun may 17 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lsz251-180800-
grand marais to whitefish point mi-
503 pm edt sun may 17 2026

...small craft advisory in effect from 10 pm edt this evening
through monday morning...

.late this afternoon...east wind 10 to 15 knots. cloudy with a
chance of rain showers. waves 1 to 2 feet. 
.tonight...southeast wind 15 to 25 knots. rain showers likely and
a slight chance of thunderstorms through late evening, then rain
showers likely and a chance of thunderstorms by midnight. waves
building to 3 to 5 feet occasionally to 7 feet, then subsiding to
2 to 4 feet. 
.monday...south wind 15 to 20 knots diminishing to 10 to 15 knots
by late morning, then veering west 5 to 15 knots late. mostly
cloudy with a chance of rain showers and a slight chance of
thunderstorms. waves subsiding to 1 to 2 feet. 
.monday night...west wind less than 10 knots backing south 5 to
15 knots after midnight. cloudy. a chance of rain showers and a
slight chance of thunderstorms in the evening, then rain showers
likely and a slight chance of thunderstorms after midnight. waves
building to 2 to 3 feet. 
.tuesday...south wind 15 to 25 knots veering west up to 30 knots
in the afternoon. mostly cloudy. rain showers and a slight chance
of thunderstorms in the morning, then a slight chance of showers
and thunderstorms in the afternoon. waves building to 7 to
10 feet occasionally to 13 feet. 

$$

fzus53 kmqt 172104
nshmqt
expires:202605180800;;730082

nearshore marine forecast
national weather service marquette mi
503 pm edt sun may 17 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lmz221-180800-
green bay north of line from cedar river mi to rock island
passage-
503 pm edt sun may 17 2026

...small craft advisory in effect from 5 am edt monday through
monday evening...

.late this afternoon...northeast wind 15 to 20 knots. showers and
a slight chance of thunderstorms. waves 1 to 2 feet building to
2 to 3 feet. 
.tonight...east wind 10 to 20 knots veering southeast 10 to
15 knots late. cloudy. showers and a chance of thunderstorms
through midnight, then a chance of showers and a slight chance of
thunderstorms late. waves building to 2 to 4 feet. 
.monday...south wind 10 to 20 knots. cloudy. a chance of showers
and a slight chance of thunderstorms through early afternoon,
then a chance of showers and thunderstorms late. waves 2 to
4 feet. 
.monday night...east wind 10 to 15 knots veering southeast 10 to
20 knots after midnight. a chance of showers and thunderstorms in
the evening, then showers and a chance of thunderstorms after
midnight. waves subsiding to 2 to 3 feet, then building to 2 to
4 feet. 
.tuesday...southwest wind 15 to 25 knots veering west 15 to
20 knots in the afternoon. cloudy with showers likely and a
slight chance of thunderstorms in the morning, then partly cloudy
with a slight chance of showers and thunderstorms in the
afternoon. waves building to 3 to 5 feet occasionally to 7 feet,
then subsiding to 2 to 4 feet. 

$$

fzus53 kmqt 172104
nshmqt
expires:202605180800;;730083

nearshore marine forecast
national weather service marquette mi
503 pm edt sun may 17 2026

for waters within five nautical miles of shore

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.


lmz248-250-180800-
seul choix point to point detour mi-
5nm east of a line from fairport mi to rock island passage-
503 pm edt sun may 17 2026

...small craft advisory in effect through tuesday morning...

.late this afternoon...east wind 15 to 20 knots. showers and a
slight chance of thunderstorms. waves 2 to 3 feet building to
2 to 4 feet. 
.tonight...east wind 15 to 20 knots veering southeast late.
showers and a chance of thunderstorms through midnight, then a
chance of showers and thunderstorms late. waves building to 3 to
6 feet occasionally to 8 feet. 
.monday...south wind 15 to 20 knots with gusts up to 27 knots.
cloudy with a chance of showers and a slight chance of
thunderstorms. waves building to 5 to 8 feet occasionally to
10 feet, then subsiding to 4 to 7 feet occasionally to 9 feet. 
.monday night...southwest wind 10 to 15 knots backing south 15 to
25 knots after midnight. cloudy. a chance of showers and
thunderstorms in the evening, then showers and a chance of
thunderstorms after midnight. waves subsiding to 3 to 5 feet
occasionally to 7 feet, then building to 3 to 6 feet occasionally
to 8 feet. 
.tuesday...southwest wind 20 to 25 knots veering west 15 to
25 knots in the afternoon. cloudy with showers and a slight
chance of thunderstorms in the morning, then partly cloudy with a
chance of showers and a slight chance of thunderstorms in the
afternoon. waves building to 5 to 8 feet occasionally to 10 feet,
then subsiding to 3 to 6 feet occasionally to 8 feet. 

$$