fzus53 kapx 180240
nshapx
expires:202605181045;;742473

nearshore marine forecast
national weather service gaylord mi
1040 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.


lhz348-181045-
presque isle light to sturgeon pt mi including thunder bay
national marine sanctuary-
1040 pm edt sun may 17 2026

.overnight...east wind 10 to 20 knots becoming south 10 to
15 knots after midnight. rain showers likely 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 3 to 5 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 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 180240
nshapx
expires:202605181045;;742466

nearshore marine forecast
national weather service gaylord mi
1040 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.


lmz342-181045-
norwood mi to 5nm west of mackinac bridge including little
traverse bay-
1040 pm edt sun may 17 2026

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

.overnight...southeast wind 10 to 20 knots. rain showers likely
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. chance of showers and
slight chance of thunderstorms. waves 3 to 5 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 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 180240
nshapx
expires:202605181045;;742465

nearshore marine forecast
national weather service gaylord mi
1040 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.


lmz341-181045-
seul choix point to 5nm west of mackinac bridge-
1040 pm edt sun may 17 2026

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

.overnight...southeast wind 10 to 20 knots. rain showers likely
and a chance of thunderstorms. waves 2 to 4 feet. 
.monday...southwest wind 10 to 20 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
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 180240
nshapx
expires:202605181045;;742467

nearshore marine forecast
national weather service gaylord mi
1040 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.


lmz323-181045-
grand traverse bay south of a line grand traverse light to
norwood mi-
1040 pm edt sun may 17 2026

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

.overnight...southeast wind 10 to 20 knots becoming south early
in the morning. rain showers likely 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. 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 180240
nshapx
expires:202605181045;;742470

nearshore marine forecast
national weather service gaylord mi
1040 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.


lhz345-181045-
straits of mackinac within 5 nm of mackinac bridge including
mackinac island-
1040 pm edt sun may 17 2026

...small craft advisory in effect until 5 am edt monday...

.overnight...east wind 10 to 20 knots. rain showers likely 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 180240
nshapx
expires:202605181045;;742471

nearshore marine forecast
national weather service gaylord mi
1040 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.


lhz346-181045-
st ignace to false detour channel-
1040 pm edt sun may 17 2026

...small craft advisory in effect until 5 am edt monday...

.overnight...east wind 10 to 20 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 180240
nshapx
expires:202605181045;;742472

nearshore marine forecast
national weather service gaylord mi
1040 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.


lhz347-181045-
5nm east of mackinac bridge to presque isle light mi including
bois blanc island-
1040 pm edt sun may 17 2026

.overnight...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 180240
nshapx
expires:202605181045;;742474

nearshore marine forecast
national weather service gaylord mi
1040 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.


lhz349-181045-
sturgeon pt to alabaster mi-
1040 pm edt sun may 17 2026

.overnight...south wind 10 to 15 knots. chance of showers and
slight chance of 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 180240
nshapx
expires:202605181045;;742464

nearshore marine forecast
national weather service gaylord mi
1040 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.


lsz322-181045-
st. marys river point iroquois to e. potagannissing bay-
1040 pm edt sun may 17 2026

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

.overnight...southeast wind 10 to 20 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.

$$

fzus53 kapx 180240
nshapx
expires:202605181045;;742463

nearshore marine forecast
national weather service gaylord mi
1040 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.


lsz321-181045-
whitefish bay (u.s. portion)/whitefish point to point iroquois mi-
1040 pm edt sun may 17 2026

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

.overnight...southeast wind 10 to 20 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 180240
nshapx
expires:202605181045;;742469

nearshore marine forecast
national weather service gaylord mi
1040 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.


lmz346-181045-
manistee to point betsie mi-
1040 pm edt sun may 17 2026

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

.overnight...southeast wind 10 to 20 knots becoming south early
in the morning. slight chance of showers and thunderstorms. waves
2 feet or less building to 3 to 5 feet after midnight. 
.monday...south wind 10 to 20 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 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 180240
nshapx
expires:202605181045;;742468

nearshore marine forecast
national weather service gaylord mi
1040 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.


lmz344-345-181045-
sleeping bear point to grand traverse light mi-
point betsie to sleeping bear point mi-
1040 pm edt sun may 17 2026

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

.overnight...southeast wind 10 to 20 knots becoming south early
in the morning. rain showers likely 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. 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 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.

$$

fzus51 kbuf 180204
nshbuf
expires:202605180900;;741109

nearshore marine forecast
national weather service buffalo ny
1003 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.


loz043-044-180900-
hamlin beach to mexico bay along lake ontario
including irondequoit bay-
1003 pm edt sun may 17 2026

.rest of tonight...southeast winds 5 to 10 knots. a chance of
showers and thunderstorms after midnight. waves 1 foot or less. 
.monday...south 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 180204
nshbuf
expires:202605180900;;741106

nearshore marine forecast
national weather service buffalo ny
1003 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-loz030-180900-
upper niagara river and buffalo harbor-lower niagara river-
1003 pm edt sun may 17 2026

.rest of tonight...southeast winds 10 knots or less becoming
south. a chance of showers and thunderstorms. 
.monday...southwest winds 5 to 15 knots. 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 180204
nshbuf
expires:202605180900;;741108

nearshore marine forecast
national weather service buffalo ny
1003 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.


loz042-180900-
niagara river to hamlin beach along lake ontario-
1003 pm edt sun may 17 2026

.rest of tonight...southeast winds 10 knots or less becoming
south. a chance of showers and thunderstorms. 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 10 to 15 knots increasing to 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 180204
nshbuf
expires:202605180900;;741107

nearshore marine forecast
national weather service buffalo ny
1003 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.


lez040-041-180900-
buffalo to ripley along lake erie-
1003 pm edt sun may 17 2026

.rest of tonight...southeast winds 10 knots or less becoming
south 10 to 15 knots. a chance of showers late this evening, then
a chance of showers and thunderstorms after midnight. waves
1 foot or less. 
.monday...south winds 10 to 15 knots becoming southwest. sunny.
waves 1 foot or less. 
.monday night...southwest winds 5 to 10 knots. mainly clear in
the evening, then becoming mostly cloudy. waves 1 foot or less. 
.tuesday...southwest winds 5 to 15 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 180204
nshbuf
expires:202605180900;;741110

nearshore marine forecast
national weather service buffalo ny
1003 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.


loz045-180900-
mexico bay to the saint lawrence river along lake ontario-
1003 pm edt sun may 17 2026

.rest of tonight...east winds 10 knots or less. 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 180623
nshdlh
expires:202605181600;;751185

nearshore marine forecast
national weather service duluth mn
123 am cdt mon may 18 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.


lsz148-181600-
oak point to saxon harbor wi-
123 am cdt mon may 18 2026

...small craft advisory in effect until 10 am cdt this morning...

.today...north wind 5 knots becoming northeast in the afternoon.
slight chance of rain showers early in the morning. waves 2 to
4 feet subsiding to 1 to 3 feet in the afternoon. 
.tonight...northeast wind 15 to 20 knots. gusts up to 25 knots in
the late evening and early morning decreasing to 20 knots. rain
showers likely in the evening. slight chance of thunderstorms
through the night. rain showers after midnight. waves 1 to 3 feet
building to 5 to 8 feet. waves occasionally to 10 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. chance of rain showers in the
morning. waves 5 to 8 feet subsiding to 3 to 5 feet late in the
afternoon. waves occasionally to 10 feet. a small craft advisory
may be needed. 
.tuesday night...northwest wind 10 to 15 knots with gusts to
around 20 knots easing to 5 knots after midnight. mostly cloudy.
waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening
and overnight. 

$$

fzus53 kdlh 180623
nshdlh
expires:202605181600;;751184

nearshore marine forecast
national weather service duluth mn
123 am cdt mon may 18 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.


lsz121-181600-
chequamegon bay-bayfield to oak point wi-
123 am cdt mon may 18 2026

.today...north wind 5 knots becoming northeast in the afternoon.
slight chance of rain showers early in the morning. waves 1 to
3 feet. 
.tonight...northeast wind 15 to 20 knots. gusts up to 25 knots in
the late evening and early morning decreasing to 20 knots. rain
showers likely in the evening. slight chance of thunderstorms
through the night. rain showers after midnight. waves 1 to 3 feet
building to 5 to 8 feet. waves occasionally to 10 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. chance of rain showers in the
morning. waves 1 to 2 feet. 
.tuesday night...northwest wind 10 to 15 knots with gusts to
around 20 knots easing to 5 knots after midnight. mostly cloudy
in the evening then becoming partly cloudy. waves 1 foot or less.

$$

fzus53 kdlh 180623
nshdlh
expires:202605181600;;751175

nearshore marine forecast
national weather service duluth mn
123 am cdt mon may 18 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.


lsz140-181600-
grand portage to grand marais mn-
123 am cdt mon may 18 2026

...small craft advisory in effect until 10 am cdt this morning...

.today...northeast wind 10 to 15 knots. gusts up to 20 knots in
the late morning and early afternoon. chance of rain showers and
slight chance of thunderstorms early in the morning, then slight
chance of rain showers late in the morning. waves 2 to 4 feet. 
.tonight...northeast wind 15 to 20 knots. gusts up to 25 knots.
chance of rain showers in the evening. slight chance of
thunderstorms through the night. rain showers after midnight.
waves 4 to 6 feet. waves occasionally to 8 feet. a small craft
advisory may be needed. 
.tuesday...north wind 20 to 25 knots becoming northwest 10 to
15 knots with gusts to around 20 knots in the afternoon. chance
of rain showers in the morning. waves 4 to 7 feet subsiding to
1 to 2 feet. waves occasionally to 9 feet. a small craft advisory
may be needed. 
.tuesday night...northwest wind 10 to 15 knots. gusts up to
20 knots in the evening. mostly cloudy in the evening then
becoming partly cloudy. waves 1 to 2 feet. 

$$

fzus53 kdlh 180623
nshdlh
expires:202605181600;;751176

nearshore marine forecast
national weather service duluth mn
123 am cdt mon may 18 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.


lsz141-181600-
grand marais to taconite harbor mn-
123 am cdt mon may 18 2026

...small craft advisory in effect until 10 am cdt this morning...

.today...northeast wind 5 to 10 knots becoming west late in the
morning, then becoming southeast early in the afternoon becoming
northeast late in the afternoon. slight chance of showers and
thunderstorms early in the morning. waves 2 to 4 feet subsiding
to 1 to 3 feet in the afternoon. 
.tonight...northeast wind 10 to 15 knots. gusts up to 20 knots
after midnight. chance of rain showers and slight chance of
thunderstorms 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 5 to 10 knots becoming northwest in the
afternoon. gusts up to 20 knots. chance of rain showers in the
morning. waves 2 to 4 feet subsiding to 1 to 3 feet in the
afternoon. 
.tuesday night...northwest wind 5 to 10 knots. gusts up to
20 knots early in the evening. mostly cloudy in the evening then
becoming partly cloudy. waves 1 to 2 feet. 

$$

fzus53 kdlh 180623
nshdlh
expires:202605181600;;751177

nearshore marine forecast
national weather service duluth mn
123 am cdt mon may 18 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.


lsz142-181600-
taconite harbor to silver bay harbor mn-
123 am cdt mon may 18 2026

...small craft advisory in effect until 10 am cdt this morning...

.today...north wind 5 to 10 knots becoming northwest late in the
morning, then becoming southeast early in the afternoon becoming
northeast late in the afternoon. slight chance of showers and
thunderstorms early in the morning. waves 3 to 5 feet subsiding
to 1 to 2 feet late in the afternoon. 
.tonight...northeast wind 10 to 15 knots with gusts to around
20 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 2 to 4 feet after midnight. a small
craft advisory may be needed. 
.tuesday...northwest wind 5 to 10 knots. gusts up to 20 knots
late in the afternoon. chance of 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. 
.tuesday night...northwest wind 5 to 10 knots. gusts up to
20 knots early in the evening. mostly cloudy in the evening then
becoming partly cloudy. waves 1 to 2 feet. 

$$

fzus53 kdlh 180623
nshdlh
expires:202605181600;;751178

nearshore marine forecast
national weather service duluth mn
123 am cdt mon may 18 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.


lsz143-181600-
silver bay harbor to two harbors mn-
123 am cdt mon may 18 2026

...small craft advisory in effect until 10 am cdt this morning...

.today...northeast wind 5 to 10 knots. slight chance of showers
and thunderstorms early in the morning. waves 3 to 5 feet
subsiding to 1 to 2 feet late in the afternoon. 
.tonight...northeast wind 10 to 15 knots. gusts up to 20 knots
late in the evening increasing to 25 knots, then decreasing to
20 knots early in the morning. rain showers likely in the
evening. slight chance of thunderstorms through the night. 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
late morning and afternoon. chance of rain showers in the
morning. waves 2 to 4 feet. a small craft advisory may be needed.
.tuesday night...northwest wind 5 to 10 knots. mostly cloudy in
the evening then becoming partly cloudy. waves 1 to 2 feet. 

$$

fzus53 kdlh 180623
nshdlh
expires:202605181600;;751179

nearshore marine forecast
national weather service duluth mn
123 am cdt mon may 18 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.


lsz144-181600-
two harbors to duluth mn-
123 am cdt mon may 18 2026

...small craft advisory in effect until 10 am cdt this morning...

.today...northeast wind 5 to 10 knots. slight chance of rain
showers early in the morning. waves 2 to 4 feet subsiding to 1 to
3 feet in the afternoon. 
.tonight...northeast wind 10 to 15 knots. gusts up to 20 knots
late in the evening increasing to 25 knots, then decreasing to
20 knots early in the morning. 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...northwest wind 10 to 15 knots. gusts up to 20 knots in
the late morning and afternoon. chance of rain showers in the
morning. waves 2 to 4 feet. a small craft advisory may be needed.
.tuesday night...northwest wind 10 to 15 knots with gusts to
around 20 knots easing to 5 knots after midnight. mostly cloudy.
waves 1 to 2 feet. 

$$

fzus53 kdlh 180623
nshdlh
expires:202605181600;;751180

nearshore marine forecast
national weather service duluth mn
123 am cdt mon may 18 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.


lsz145-181600-
duluth mn to port wing wi-
123 am cdt mon may 18 2026

...small craft advisory in effect until 10 am cdt this morning...

.today...northeast wind 5 to 10 knots. slight chance of rain
showers early in the morning. waves 2 to 4 feet subsiding to 1 to
3 feet in the afternoon. 
.tonight...northeast wind 10 to 15 knots. gusts up to 20 knots
late in the evening increasing to 25 knots, then decreasing to
20 knots early in the morning. 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 becoming west in the late
morning and afternoon. gusts up to 20 knots. chance of rain
showers in the morning. waves 2 to 4 feet. a small craft advisory
may be needed. 
.tuesday night...northwest wind 10 to 15 knots with gusts to
around 20 knots becoming west 5 knots after midnight. mostly
cloudy. waves 1 to 2 feet. 

$$

fzus53 kdlh 180623
nshdlh
expires:202605181600;;751181

nearshore marine forecast
national weather service duluth mn
123 am cdt mon may 18 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.


lsz146-181600-
port wing to sand island wi-
123 am cdt mon may 18 2026

...small craft advisory in effect until 10 am cdt this morning...

.today...northeast wind 5 to 10 knots. slight chance of rain
showers early in the morning. waves 2 to 4 feet subsiding to 1 to
3 feet in the afternoon. 
.tonight...northeast wind 10 to 15 knots. gusts up to 25 knots.
rain showers likely 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...north wind 5 to 10 knots with gusts to around 20 knots
becoming west with gusts to around 20 knots in the late morning
and afternoon. chance of rain showers in the morning. waves 3 to
5 feet. waves occasionally to 7 feet. a small craft advisory may
be needed. 
.tuesday night...west wind 5 to 10 knots. mostly cloudy. waves
1 to 2 feet. 

$$

fzus53 kdlh 180623
nshdlh
expires:202605181600;;751182

nearshore marine forecast
national weather service duluth mn
123 am cdt mon may 18 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.


lsz147-181600-
sand island to bayfield wi-
123 am cdt mon may 18 2026

...small craft advisory in effect until 10 am cdt this morning...

.today...north wind 5 to 10 knots becoming east late in the
afternoon. slight chance of rain showers early in the morning.
waves 2 to 4 feet subsiding to 1 to 3 feet in the afternoon. 
.tonight...northeast wind 15 to 20 knots with gusts to around
25 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 west 5 to 10 knots with gusts to around
20 knots in the late morning and afternoon. chance of 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. 
.tuesday night...northwest wind 5 to 10 knots. gusts up to
20 knots early in the evening. mostly cloudy in the evening then
becoming partly cloudy. waves 1 to 2 feet. 

$$

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 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;;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;;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;;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 kgrb 180625
nshgrb
expires:202605181000;;751454

nearshore marine forecast
national weather service green bay wi
124 am cdt mon may 18 2026

for waters within five nautical miles of shore on lake michigan


lmz542-543-181000-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
124 am cdt mon may 18 2026

...dense fog advisory in effect until 9 am cdt this morning...
...small craft advisory in effect through late tuesday night...

.rest of the night...se wind 5 to 10 kts veering s 10 to 15 kts
after midnight. waves 3 to 5 ft. areas of dense fog. a slight
chance of showers and thunderstorms. 
.monday...s wind 15 to 25 kts decreasing to 10 to 15 kts early in
the afternoon. waves 4 to 7 ft. patchy dense fog in the morning.
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. patchy fog. a
chance of showers and thunderstorms. 
.tuesday...sw wind 15 to 25 kts veering w in the late morning and
afternoon. waves 5 to 8 ft subsiding to 4 to 7 ft in the
afternoon. a chance of showers in the morning.  

$$

fzus53 kgrb 180625
nshgrb
expires:202605181000;;751452

nearshore marine forecast
national weather service green bay wi
124 am cdt mon may 18 2026

for waters within five nautical miles of shore on lake michigan


lmz521-522-181000-
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-
124 am cdt mon may 18 2026

...dense fog advisory in effect until 9 am cdt this morning...
...small craft advisory in effect through this evening...

.rest of the night...e wind 5 to 10 kts veering se 10 to 15 kts
after midnight. waves 1 to 3 ft. patchy dense fog. a chance of
showers and thunderstorms. 
.monday...s wind 10 to 15 kts. waves 1 to 3 ft. patchy dense fog
in the morning. a chance of showers and a slight chance of
thunderstorms. 
.monday night...s wind 10 to 15 kts. waves 2 ft or less. patchy
fog. a chance of showers and thunderstorms. 
.tuesday...sw wind 15 to 25 kts veering nw early in the
afternoon. waves 1 to 3 ft. a chance of showers in the morning. a
small craft advisory may be needed.  

$$

fzus53 kgrb 180625
nshgrb
expires:202605181000;;751453

nearshore marine forecast
national weather service green bay wi
124 am cdt mon may 18 2026

for waters within five nautical miles of shore on lake michigan


lmz541-181000-
rock island passage to sturgeon bay wi-
124 am cdt mon may 18 2026

...dense fog advisory in effect until 9 am cdt this morning...
...small craft advisory in effect through late tuesday night...

.rest of the night...se wind 10 to 15 kts veering s after
midnight. waves 3 to 5 ft. areas of 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 4 to 7 ft. patchy fog in the morning. 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 5 to 8 ft. patchy fog. a chance of showers
in the evening. a chance of thunderstorms. rain showers likely
after midnight. 
.tuesday...sw wind 15 to 25 kts veering nw early in the
afternoon. waves 5 to 8 ft. a chance of showers in the morning.  

$$

fzus53 kgrr 180623
nshgrr
expires:202605180800;;751236

nearshore marine forecast
national weather service grand rapids mi
223 am edt mon may 18 2026

for waters within five nautical miles of shore on lake michigan


lmz844-180800-
st joseph to south haven mi-
223 am edt mon may 18 2026

.rest of tonight...south winds 15 to 20 knots. partly cloudy. waves
1 to 3 feet. 
.monday...south winds around 20 knots. mostly cloudy with a chance
of showers and thunderstorms. waves 2 to 4 feet.
.monday night...south winds 15 to 25 knots. partly cloudy with a
chance of showers and thunderstorms. waves 2 to 4 feet. 
.tuesday...southwest winds 20 to 25 knots. partly sunny with a
chance of showers and thunderstorms. waves 3 to 5 feet. 
.tuesday night...northwest winds 15 to 20 knots becoming around
20 knots after midnight. mostly cloudy with a slight chance of
showers and thunderstorms. waves 3 to 5 feet. 
.wednesday...north winds 15 to 20 knots. mostly sunny. waves 3 to
5 feet. 
.thursday...northeast winds 10 to 15 knots. mostly sunny. waves 1 to
2 feet. 
.friday...east winds 10 to 15 knots. mostly cloudy with a chance of
rain showers. waves 1 foot or less. 

$$

fzus53 kgrr 180623
nshgrr
expires:202605180800;;751231

nearshore marine forecast
national weather service grand rapids mi
223 am edt mon may 18 2026

for waters within five nautical miles of shore on lake michigan


lmz849-180800-
pentwater to manistee mi-
223 am edt mon may 18 2026

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

.rest of tonight...south winds to 30 knots. mostly cloudy with a
chance of rain showers and a slight chance of thunderstorms. waves
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. mostly cloudy with a chance of thunderstorms and a slight
chance of rain showers. 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. mostly sunny. waves 1 foot or less.
.friday...east winds 10 to 15 knots. mostly cloudy. waves 1 foot or
less. 

$$

fzus53 kgrr 180623
nshgrr
expires:202605180800;;751232

nearshore marine forecast
national weather service grand rapids mi
223 am edt mon may 18 2026

for waters within five nautical miles of shore on lake michigan


lmz848-180800-
whitehall to pentwater mi-
223 am edt mon may 18 2026

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

.rest of tonight...south winds to 30 knots. mostly cloudy with a
slight chance of showers and thunderstorms. waves 4 to 6 feet. 
.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 15 to
20 knots after midnight. partly cloudy. waves 4 to 6 feet. 
.wednesday...north winds 15 to 25 knots. mostly sunny. waves 2 to
4 feet. 
.thursday...northeast winds 10 to 15 knots backing north early in
the afternoon. mostly sunny. waves around 1 foot. 
.friday...east winds 10 to 15 knots. mostly cloudy. waves 1 foot or
less. 

$$

fzus53 kgrr 180623
nshgrr
expires:202605180800;;751233

nearshore marine forecast
national weather service grand rapids mi
223 am edt mon may 18 2026

for waters within five nautical miles of shore on lake michigan


lmz847-180800-
grand haven to whitehall mi-
223 am edt mon may 18 2026

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

.rest of tonight...south winds to 30 knots. mostly cloudy. waves
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 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 20 knots. mostly cloudy. waves 1 foot or
less. 

$$

fzus53 kgrr 180623
nshgrr
expires:202605180800;;751234

nearshore marine forecast
national weather service grand rapids mi
223 am edt mon may 18 2026

for waters within five nautical miles of shore on lake michigan


lmz846-180800-
holland to grand haven mi-
223 am edt mon may 18 2026

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

.rest of tonight...south winds 20 to 25 knots. mostly cloudy. waves
3 to 5 feet. 
.monday...south winds to 30 knots. rain showers likely and a chance
of thunderstorms. waves 4 to 6 feet. 
.monday night...south winds to 30 knots. rain showers likely and a
chance of thunderstorms. waves 4 to 6 feet. 
.tuesday...south winds to 30 knots veering southwest 20 to 25 knots
early in the afternoon. rain showers likely and a chance of
thunderstorms. waves 5 to 7 feet. 
.tuesday night...northwest winds around 20 knots. partly 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 15 to 20 knots. mostly cloudy. waves around
1 foot. 

$$

fzus53 kgrr 180623
nshgrr
expires:202605180800;;751235

nearshore marine forecast
national weather service grand rapids mi
223 am edt mon may 18 2026

for waters within five nautical miles of shore on lake michigan


lmz845-180800-
south haven to holland mi-
223 am edt mon may 18 2026

.rest of tonight...south winds 20 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. partly cloudy with a
chance of showers and thunderstorms. waves 3 to 5 feet. 
.tuesday...southwest winds to 30 knots. partly sunny with a chance
of showers and thunderstorms. waves 4 to 6 feet. 
.tuesday night...west winds 15 to 20 knots veering northwest in the
late evening and overnight. partly cloudy with rain showers likely
and a slight chance of thunderstorms. 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
around 1 foot. 
.friday...east winds 10 to 15 knots. mostly cloudy. waves 1 foot or
less. 

$$

fzus53 kiwx 180200
nshiwx
expires:202605180830;;740909

nearshore marine forecast
national weather service northern indiana
1000 pm edt sun may 17 2026

for waters within five nautical miles of shore on lake michigan


lmz043-180830-
new buffalo mi to st joseph mi-
1000 pm edt sun may 17 2026

.overnight...south winds 10 to 15 knots. mostly clear.
waves 1 to 3 feet. 
.monday...south winds 10 to 15 knots increasing to 15 to
20 knots. gusts up to 25 knots. a slight chance of showers and
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 20 knots. gusts up to 25 knots.
a chance of showers and 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 20 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 kiwx 180200
nshiwx
expires:202605180830;;740908

nearshore marine forecast
national weather service northern indiana
1000 pm edt sun may 17 2026

for waters within five nautical miles of shore on lake michigan


lmz046-180830-
michigan city in to new buffalo mi-
1000 pm edt sun may 17 2026

.overnight...south winds 10 to 15 knots. mostly clear.
waves 1 to 2 feet. 
.monday...south winds 10 to 15 knots increasing to 15 to
20 knots. gusts up to 25 knots. a slight chance of showers and
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 20 knots. gusts up to 25 knots.
a chance of showers and thunderstorms in the evening, then a
chance of showers overnight. waves 1 to 3 feet. 
.tuesday...south winds 15 to 20 knots becoming southwest 10 to
15 knots. gusts up to 25 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 klot 180301
nshlot
expires:202605180930;;743104

nearshore marine forecast
national weather service chicago/romeoville il
1001 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>742-180930-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
1001 pm cdt sun may 17 2026

...small craft advisory in effect until 4 am cdt monday...

.rest of tonight...south winds 20 to 25 kt subsiding to 15 to 25
kt. partly cloudy. waves 3 to 5 ft. 
.monday...south winds 15 to 25 kt. showers and thunderstorms 
likely. variable and gusty winds in and near thunderstorms. waves
3 to 5 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 180301
nshlot
expires:202605180930;;743105

nearshore marine forecast
national weather service chicago/romeoville il
1001 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>745-180930-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
1001 pm cdt sun may 17 2026

...small craft advisory in effect until 4 am cdt monday...

.rest of tonight...south winds 20 to 25 kt subsiding to 15 to 25
kt. partly cloudy late in the evening, then becoming mostly 
clear. waves 2 to 4 ft.
.monday...south winds 20 to 25 kt. showers and thunderstorms
likely. variable and gusty winds in and near thunderstorms. 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. 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 kmkx 180610
nshmkx
expires:202605180900;;750677

nearshore marine forecast
national weather service milwaukee/sullivan wi
110 am cdt mon may 18 2026

for waters within five nautical miles of shore on lake michigan


lmz646-180900-
wind point wi to winthrop harbor il-
110 am cdt mon may 18 2026

.rest of tonight...south wind 10 to 15 knots rising to 15 to
20 knots early in the morning. chance of showers and
thunderstorms early in the morning. waves 2 to 4 feet. 
.monday...south wind 15 to 20 knots easing to 10 to 15 knots in
the afternoon. rain showers likely in the morning. chance of
thunderstorms through the day. chance of showers in the
afternoon. waves 2 to 4 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 likely and a chance of
thunderstorms after midnight. waves 3 to 4 feet. a small craft
advisory may be needed. 
.tuesday...south wind 15 to 25 knots veering southwest late in
the morning, then becoming 15 to 20 knots early in the afternoon
veering west late in the afternoon. showers likely and a chance
of thunderstorms. waves 3 to 4 feet subsiding to 1 to 2 feet late
in the afternoon. 

$$

fzus53 kmkx 180610
nshmkx
expires:202605180900;;750676

nearshore marine forecast
national weather service milwaukee/sullivan wi
110 am cdt mon may 18 2026

for waters within five nautical miles of shore on lake michigan


lmz645-180900-
north point light to wind point wi-
110 am cdt mon may 18 2026

.rest of tonight...south wind 10 to 15 knots. gusts up to
20 knots. chance of showers and thunderstorms early in the
morning. waves 2 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 2 to 4 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 likely and a chance of
thunderstorms after midnight. waves 3 to 4 feet. a small craft
advisory may be needed. 
.tuesday...south wind 15 to 25 knots veering southwest late in
the morning, then veering west early in the afternoon becoming
15 to 20 knots late in the afternoon. showers likely and a chance
of thunderstorms. waves 3 to 4 feet. 

$$

fzus53 kmkx 180610
nshmkx
expires:202605180900;;750675

nearshore marine forecast
national weather service milwaukee/sullivan wi
110 am cdt mon may 18 2026

for waters within five nautical miles of shore on lake michigan


lmz644-180900-
port washington to north point light wi-
110 am cdt mon may 18 2026

...dense fog advisory in effect until 3 am cdt early this
morning...

.rest of tonight...south wind 10 to 15 knots. gusts up to
20 knots early in the morning. patchy dense fog after midnight.
chance of showers and thunderstorms early in the morning. waves
3 to 4 feet. 
.monday...south wind 10 to 20 knots becoming 15 to 20 knots in
the late morning and early afternoon, then becoming south 15 to
20 knots late in the afternoon. chance of showers and
thunderstorms. waves 3 to 4 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 likely and a chance of
thunderstorms after midnight. waves 3 to 4 feet building to 3 to
5 feet early in the morning. 
.tuesday...south wind 15 to 25 knots veering west late in the
afternoon. rain showers likely and a chance of thunderstorms
through the day. waves 3 to 5 feet subsiding to 3 to 4 feet in
the afternoon. 

$$

fzus53 kmkx 180610
nshmkx
expires:202605180900;;750674

nearshore marine forecast
national weather service milwaukee/sullivan wi
110 am cdt mon may 18 2026

for waters within five nautical miles of shore on lake michigan


lmz643-180900-
sheboygan to port washington wi-
110 am cdt mon may 18 2026

...dense fog advisory in effect until 3 am cdt early this
morning...

.rest of tonight...south wind 10 to 15 knots becoming south 10 to
15 knots with gusts to around 20 knots early in the morning.
areas of dense fog after midnight, then patchy fog early in the
morning. chance of showers and thunderstorms early in the
morning. waves 3 to 5 feet. 
.monday...south wind 15 to 20 knots. chance of showers and
thunderstorms. waves 3 to 4 feet building to 4 to 6 feet late in
the morning, then subsiding to 3 to 4 feet in the afternoon. 
.monday night...south wind 15 to 20 knots becoming 15 to 25 knots
early in the morning. patchy fog through around midnight. slight
chance of showers and thunderstorms through around midnight, then
showers likely and a chance of thunderstorms after midnight.
waves 3 to 4 feet building to 4 to 6 feet. 
.tuesday...south wind 15 to 25 knots veering west late in the
afternoon. rain showers likely and a chance of thunderstorms
through the day. waves 5 to 7 feet subsiding to 3 to 4 feet. 

$$

fzus53 kmqt 180302
nshmqt
expires:202605180800;;743173

nearshore marine forecast
national weather service marquette mi
1102 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-
1102 pm edt sun may 17 2026

...small craft advisory in effect until 11 am edt monday...

.rest of tonight...southeast wind 15 to 25 knots. rain showers
likely and a slight chance of thunderstorms by midnight, then
rain showers and a chance of thunderstorms late. waves 2 to
3 feet 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. rain showers likely and a chance of thunderstorms through
mid morning, then a slight chance of rain showers by late
morning. 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 180302
nshmqt
expires:202605180800;;743172

nearshore marine forecast
national weather service marquette mi
1102 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-
1102 pm edt sun may 17 2026

...small craft advisory in effect until 11 am edt monday...

.rest of tonight...southeast wind 20 to 25 knots becoming 15 to
25 knots late. cloudy. a chance of showers and thunderstorms by
midnight, then showers and a chance of thunderstorms late. waves
2 to 4 feet. 
.monday...south wind 15 to 20 knots veering southwest 10 to
15 knots by late morning, then veering northwest late. cloudy. a
chance of showers and a slight chance of thunderstorms through
mid morning, then a slight chance of showers by late morning. a
chance of showers late. 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 180302
nshmqt
expires:202605180800;;743171

nearshore marine forecast
national weather service marquette mi
1102 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-
1102 pm edt sun may 17 2026

...small craft advisory in effect until 8 am edt monday...

.rest of tonight...southeast wind 15 to 20 knots. gusts up to
27 knots. cloudy. a chance of showers and thunderstorms by
midnight, then showers likely and a chance of thunderstorms late.
waves 2 to 4 feet 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. cloudy. a
chance of showers and a slight chance of thunderstorms through
mid morning, then a chance of showers 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 180302
nshmqt
expires:202605180800;;743170

nearshore marine forecast
national weather service marquette mi
1102 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-
1102 pm edt sun may 17 2026

...small craft advisory in effect until 8 am edt monday...

.rest of tonight...southeast wind 10 to 20 knots with gusts up to
27 knots. rain showers and a chance of thunderstorms. waves 2 to
4 feet 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. cloudy. a slight chance of rain
showers through early afternoon, then a chance of rain showers
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 5 to
8 feet occasionally to 10 feet. 

$$

fzus53 kmqt 180302
nshmqt
expires:202605180800;;743169

nearshore marine forecast
national weather service marquette mi
1102 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-
1102 pm edt sun may 17 2026

...small craft advisory in effect until 11 am edt monday...

.rest of tonight...east wind 10 to 20 knots becoming 10 to
15 knots late. cloudy with rain showers and a chance of
thunderstorms. waves 2 to 4 feet 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 slight chance of rain showers 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 2 to
4 feet. 

$$

fzus53 kmqt 180302
nshmqt
expires:202605180800;;743168

nearshore marine forecast
national weather service marquette mi
1102 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-
1102 pm edt sun may 17 2026

...small craft advisory in effect until 11 am edt monday...

.rest of tonight...east wind 10 to 20 knots. cloudy with rain
showers and a chance of thunderstorms. waves 2 to 4 feet 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. cloudy. a slight chance
of rain showers through mid morning. a slight chance of rain
showers 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 180302
nshmqt
expires:202605180800;;743167

nearshore marine forecast
national weather service marquette mi
1102 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-
1102 pm edt sun may 17 2026

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

.rest of tonight...east wind 10 to 20 knots with gusts up to
28 knots. rain showers likely and a slight chance of
thunderstorms by midnight, then rain showers and a chance of
thunderstorms late. waves 2 to 4 feet 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 mid morning. a slight chance of
rain showers 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 180302
nshmqt
expires:202605180800;;743166

nearshore marine forecast
national weather service marquette mi
1102 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-
1102 pm edt sun may 17 2026

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

.rest of tonight...east wind 10 to 20 knots becoming 10 to
15 knots late. cloudy with rain showers and a chance of
thunderstorms. waves 2 to 3 feet. 
.monday...southwest wind less than 10 knots veering north 10 to
15 knots late. cloudy. a slight chance of rain showers through
mid morning. a slight chance of rain showers late. 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 180302
nshmqt
expires:202605180800;;743165

nearshore marine forecast
national weather service marquette mi
1102 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-
1102 pm edt sun may 17 2026 /1002 pm cdt sun may 17 2026/

...small craft advisory in effect until 2 am edt /1 am cdt/
monday...

.rest of tonight...east wind 5 to 15 knots. rain showers and a
chance of thunderstorms by midnight, then a chance of showers and
thunderstorms late. waves 3 to 5 feet occasionally to 7 feet
subsiding to 2 to 3 feet. 
.monday...west wind less than 10 knots veering northeast 5 to
15 knots late. cloudy. a chance of rain showers through mid
morning, then a slight chance of rain showers by late morning.
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 2 to 4 feet. 

$$

fzus53 kmqt 180302
nshmqt
expires:202605180800;;743163

nearshore marine forecast
national weather service marquette mi
1102 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-
1102 pm edt sun may 17 2026

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

.rest of tonight...east wind 10 to 15 knots veering southeast
late. gusts up to 23 knots. cloudy with a chance of showers and
thunderstorms. waves 2 to 4 feet. 
.monday...south wind 10 to 20 knots. cloudy. a chance of showers
and a slight chance of thunderstorms through mid morning, then a
chance of showers by late morning. 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 2 to 4 feet. 

$$

fzus53 kmqt 180302
nshmqt
expires:202605180800;;743164

nearshore marine forecast
national weather service marquette mi
1102 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-
1102 pm edt sun may 17 2026

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

.rest of tonight...east wind 15 to 20 knots veering southeast
late. a chance of showers and thunderstorms by midnight, then
showers likely and a chance of thunderstorms late. waves 3 to
5 feet occasionally to 7 feet. 
.monday...south wind 15 to 20 knots with gusts up to 27 knots.
cloudy. a chance of showers and a slight chance of thunderstorms
through mid morning, then a chance of showers by late morning.
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 4 to 7 feet occasionally to 9 feet,
then subsiding to 3 to 5 feet occasionally to 7 feet. 

$$