fzus53 kapx 180727
nshapx
expires:202605181530;;755756

nearshore marine forecast
national weather service gaylord mi
327 am edt mon may 18 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.


lmz344-345-181530-
sleeping bear point to grand traverse light mi-
point betsie to sleeping bear point mi-
327 am edt mon may 18 2026

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

.today...southwest wind 15 to 25 knots. chance of thunderstorms 
early in the morning. chance of showers through the day. slight 
chance of thunderstorms in the afternoon. waves 2 to 3 feet 
building to 2 to 4 feet in the morning. 
.tonight...south wind 15 to 20 knots. rain showers likely 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. 
.tuesday night...northwest wind 10 to 15 knots. mostly cloudy.
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 180727
nshapx
expires:202605181530;;755753

nearshore marine forecast
national weather service gaylord mi
327 am edt mon may 18 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.


lmz341-181530-
seul choix point to 5nm west of mackinac bridge-
327 am edt mon may 18 2026

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

.today...southeast wind 10 to 15 knots gusting to 25 
knots, becoming southwest early in the evening. chance of 
thunderstorms early in the morning. chance of showers through the 
day. waves 2 to 3 feet building to 3 to 5 feet in the morning. 
.tonight...south wind 15 to 20 knots. chance of showers and
thunderstorms. waves 4 to 6 feet. 
.tuesday...southwest wind 15 to 25 knots. rain showers. waves
5 to 8 feet. 
.tuesday night...northwest wind 10 to 20 knots. mostly cloudy.
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 180727
nshapx
expires:202605181530;;755755

nearshore marine forecast
national weather service gaylord mi
327 am edt mon may 18 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.


lmz323-181530-
grand traverse bay south of a line grand traverse light to
norwood mi-
327 am edt mon may 18 2026

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

.today...southwest wind 10 to 15 knots. gusts up to 30 knots.
chance of thunderstorms early in the morning. chance of showers
through the day. slight chance of thunderstorms in the morning.
waves 2 to 3 feet. 
.tonight...south wind 15 to 20 knots. chance of showers and
thunderstorms. waves 2 to 3 feet. 
.tuesday...southwest wind 10 to 20 knots. rain showers likely.
waves 2 to 4 feet. 
.tuesday night...northwest wind 15 to 20 knots. mostly cloudy.
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 180727
nshapx
expires:202605181530;;755761

nearshore marine forecast
national weather service gaylord mi
327 am edt mon may 18 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.


lhz348-181530-
presque isle light to sturgeon pt mi including thunder bay
national marine sanctuary-
327 am edt mon may 18 2026

.today...southeast wind 5 to 10 knots becoming south 10 to
20 knots in the morning. slight chance of showers early in the
morning. rain showers likely and a chance of thunderstorms in the
afternoon. waves 2 to 3 feet building to 3 to 5 feet in the
morning. 
.tonight...south wind 10 to 15 knots. chance of showers and
thunderstorms. waves 2 to 4 feet. 
.tuesday...southwest wind 10 to 20 knots. chance of showers.
waves 3 to 5 feet. 
.tuesday night...northwest wind 15 to 25 knots. mostly cloudy.
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 180727
nshapx
expires:202605181530;;755762

nearshore marine forecast
national weather service gaylord mi
327 am edt mon may 18 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.


lhz349-181530-
sturgeon pt to alabaster mi-
327 am edt mon may 18 2026

.today...south wind 10 to 20 knots. chance of showers and
thunderstorms in the afternoon. waves 2 to 4 feet. 
.tonight...southwest wind 10 to 20 knots. rain showers likely and
slight chance of thunderstorms. waves 2 to 4 feet. 
.tuesday...southwest wind 15 to 25 knots. chance of showers.
waves 4 to 6 feet. 
.tuesday night...northwest wind 10 to 20 knots. mostly cloudy.
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 180727
nshapx
expires:202605181530;;755751

nearshore marine forecast
national weather service gaylord mi
327 am edt mon may 18 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.


lsz321-181530-
whitefish bay (u.s. portion)/whitefish point to point iroquois mi-
327 am edt mon may 18 2026

...small craft advisory in effect until noon edt today...

.today...southeast wind 10 to 15 knots gusting to 25 
knots, becoming southwest in the afternoon. chance of 
thunderstorms early in the morning. chance of showers through the 
day. waves 2 to 4 feet subsiding to 2 feet or less in the 
afternoon. 
.tonight...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
4 to 7 feet. 
.tuesday night...northwest wind 15 to 25 knots. mostly cloudy.
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 180727
nshapx
expires:202605181530;;755757

nearshore marine forecast
national weather service gaylord mi
327 am edt mon may 18 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.


lmz346-181530-
manistee to point betsie mi-
327 am edt mon may 18 2026

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

.today...southwest wind 15 to 25 knots becoming south 5 to 15 
knots early in the evening. chance of thunderstorms early in the 
morning. chance of showers through the day. slight chance of 
thunderstorms in the afternoon. waves 2 to 4 feet building to 3 to
5 feet in the morning. 
.tonight...south wind 10 to 20 knots. rain showers likely and a
chance of thunderstorms. waves 4 to 6 feet. 
.tuesday...southwest wind 15 to 25 knots. rain showers likely.
waves 5 to 8 feet. 
.tuesday night...north wind 10 to 15 knots. mostly cloudy. 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 180727
nshapx
expires:202605181530;;755754

nearshore marine forecast
national weather service gaylord mi
327 am edt mon may 18 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.


lmz342-181530-
norwood mi to 5nm west of mackinac bridge including little
traverse bay-
327 am edt mon may 18 2026

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

.today...southeast wind 10 to 15 knots gusting to 25 
knots, becoming southwest in the afternoon. slight chance of 
thunderstorms early in the morning. chance of showers through the 
day. chance of thunderstorms in the morning. waves 2 feet or less 
building to 2 to 3 feet in the morning. 
.tonight...south wind 15 to 20 knots. rain showers likely and a
chance of thunderstorms. waves 2 to 3 feet. 
.tuesday...southwest wind 15 to 25 knots. chance of showers.
waves 4 to 6 feet. 
.tuesday night...northwest wind 10 to 20 knots. mostly cloudy.
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 180727
nshapx
expires:202605181530;;755752

nearshore marine forecast
national weather service gaylord mi
327 am edt mon may 18 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.


lsz322-181530-
st. marys river point iroquois to e. potagannissing bay-
327 am edt mon may 18 2026

...small craft advisory in effect until noon edt today...

.today...southeast wind 10 to 15 knots gusting to 25 
knots, becoming southwest 5 to 10 knots in the afternoon. slight 
chance of thunderstorms early in the morning. chance of showers 
through the day. chance of thunderstorms in the morning. 
.tonight...south wind 5 to 10 knots. rain showers likely and a
chance of thunderstorms. 
.tuesday...southwest wind 15 to 20 knots. rain showers. 
.tuesday night...northwest wind 10 to 20 knots. mostly cloudy. 

winds higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 180727
nshapx
expires:202605181530;;755758

nearshore marine forecast
national weather service gaylord mi
327 am edt mon may 18 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.


lhz345-181530-
straits of mackinac within 5 nm of mackinac bridge including
mackinac island-
327 am edt mon may 18 2026

...small craft advisory in effect until 5 am edt early this
morning...

.today...southeast wind 10 to 15 knots gusting to 25 
knots, becoming west in the afternoon. slight chance of showers 
and thunderstorms early in the morning, then chance of showers and
thunderstorms in the morning. waves 2 to 3 feet. 
.tonight...south wind 5 to 10 knots. rain showers likely and a
chance of thunderstorms. waves 2 feet or less. 
.tuesday...southwest wind 10 to 20 knots. rain showers. waves
2 to 4 feet. 
.tuesday night...northwest wind 10 to 20 knots. mostly cloudy.
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 180727
nshapx
expires:202605181530;;755759

nearshore marine forecast
national weather service gaylord mi
327 am edt mon may 18 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.


lhz346-181530-
st ignace to false detour channel-
327 am edt mon may 18 2026

...small craft advisory in effect until 5 am edt early this
morning...

.today...southeast wind 10 to 15 knots becoming southwest early
in the evening. slight chance of thunderstorms early in the
morning. chance of showers through the day. chance of
thunderstorms in the morning. waves 2 to 4 feet. 
.tonight...south wind 10 to 15 knots. chance of showers and
thunderstorms. waves 2 to 3 feet. 
.tuesday...southwest wind 15 to 25 knots. rain showers. waves
4 to 6 feet. 
.tuesday night...northwest wind 15 to 25 knots. mostly cloudy.
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 180727
nshapx
expires:202605181530;;755760

nearshore marine forecast
national weather service gaylord mi
327 am edt mon may 18 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.


lhz347-181530-
5nm east of mackinac bridge to presque isle light mi including
bois blanc island-
327 am edt mon may 18 2026

.today...southeast wind 10 to 15 knots becoming southwest in the
afternoon. slight chance of showers early in the morning, then
chance of showers and slight chance of thunderstorms in the
morning. rain showers likely and a chance of thunderstorms in the
afternoon. waves 2 to 4 feet subsiding to 2 to 3 feet in the
afternoon. 
.tonight...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
3 to 5 feet. 
.tuesday night...northwest wind 15 to 25 knots. mostly cloudy.
waves 5 to 8 feet. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus51 kbuf 180803
nshbuf
expires:202605181500;;756784

nearshore marine forecast
national weather service buffalo ny
403 am edt mon may 18 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.


loz042-181500-
niagara river to hamlin beach along lake ontario-
403 am edt mon may 18 2026

.today...south winds 5 to 15 knots becoming southwest 15 to
20 knots. becoming mostly sunny. waves 1 to 3 feet. 
.tonight...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 25 knots. becoming mostly sunny.
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 subsiding to 2 to 4 feet.
waves occasionally around 6 feet. 
.wednesday...west winds 15 to 20 knots becoming northwest 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 10 to 15 knots diminishing to 5 to 10 knots.
a chance of showers friday night. waves 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus51 kbuf 180803
nshbuf
expires:202605181500;;756782

nearshore marine forecast
national weather service buffalo ny
403 am edt mon may 18 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-loz030-181500-
upper niagara river and buffalo harbor-lower niagara river-
403 am edt mon may 18 2026

.today...southwest winds 5 to 15 knots. mostly sunny. 
.tonight...southwest winds 5 to 10 knots. a chance of showers
overnight. 
.tuesday...southwest winds 10 to 15 knots increasing to 15 to
20 knots. partly sunny in the morning, then becoming mostly
sunny. 
.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 5 to 10 knots. a chance of showers friday
night. 

winds and waves higher in and near thunderstorms.

the water temperature off buffalo is 52 degrees.

$$

fzus51 kbuf 180803
nshbuf
expires:202605181500;;756783

nearshore marine forecast
national weather service buffalo ny
403 am edt mon may 18 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.


lez040-041-181500-
buffalo to ripley along lake erie-
403 am edt mon may 18 2026

.today...south winds 5 to 10 knots becoming southwest. sunny.
waves 1 foot or less. 
.tonight...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. partly to mostly sunny.
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 southeast. a chance
of showers during the day, then showers likely friday night.
waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus51 kbuf 180803
nshbuf
expires:202605181500;;756786

nearshore marine forecast
national weather service buffalo ny
403 am edt mon may 18 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.


loz045-181500-
mexico bay to the saint lawrence river along lake ontario-
403 am edt mon may 18 2026

.today...southeast winds 5 to 15 knots becoming southwest.
becoming mostly sunny. waves 2 feet or less. 
.tonight...south winds 5 to 10 knots. a chance of showers. waves
2 feet or less. 
.tuesday...south winds 10 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...south winds 10 to 15 knots becoming southwest
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 2 to 4 feet building to
3 to 6 feet. waves occasionally around 7 feet. 
.thursday...north winds 10 to 15 knots becoming light and
variable. mainly clear, then becoming partly cloudy. waves 1 to
3 feet subsiding to 1 foot or less. 
.friday...east winds 10 knots or less becoming southeast. a
chance of showers friday night. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus51 kbuf 180803
nshbuf
expires:202605181500;;756785

nearshore marine forecast
national weather service buffalo ny
403 am edt mon may 18 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.


loz043-044-181500-
hamlin beach to mexico bay along lake ontario
including irondequoit bay-
403 am edt mon may 18 2026

.today...south winds 5 to 10 knots becoming southwest. becoming
mostly sunny. waves 1 foot or less. 
.tonight...south winds 5 to 10 knots becoming southwest. partly
to mostly cloudy. waves 1 foot or less. 
.tuesday...southwest winds 5 to 15 knots increasing to 15 to
20 knots. a chance of showers and thunderstorms in the afternoon.
waves 1 to 3 feet. 
.tuesday night...southwest winds 15 to 20 knots becoming west.
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 northwest.
showers likely during the day. waves 3 to 5 feet building to 4 to
7 feet, then subsiding to 3 to 5 feet. waves occasionally around
9 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...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.

the water temperature off rochester is 48 degrees.

$$

fzus51 kcle 180744
nshcle
expires:202605181415;;756373

nearshore marine forecast
national weather service cleveland oh
344 am edt mon may 18 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>144-181415-
maumee bay to reno beach oh-reno beach to the islands oh-
the islands to vermilion oh-
344 am edt mon may 18 2026

.today...south winds 10 to 15 knots becoming southwest 15 to
20 knots. a slight chance of showers and thunderstorms late.
waves 1 to 3 feet. 
.tonight...southwest winds 15 to 20 knots diminishing to 10 to
15 knots. a chance of showers and thunderstorms in the evening,
then a chance of showers with a slight chance of thunderstorms
overnight. waves 1 to 3 feet subsiding to 1 foot or less. 
.tuesday...south winds 10 to 15 knots becoming southwest 15 to
20 knots. showers and thunderstorms likely in the afternoon.
waves 1 to 3 feet. 
.tuesday night...southwest winds 15 to 20 knots becoming west
10 to 15 knots. showers with thunderstorms likely in the evening,
then showers overnight. waves 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

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 180744
nshcle
expires:202605181415;;756374

nearshore marine forecast
national weather service cleveland oh
344 am edt mon may 18 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.


lez145>147-181415-
vermilion to avon point oh-avon point to willowick oh-
willowick to geneva-on-the lake oh-
344 am edt mon may 18 2026

.today...south winds 10 to 15 knots becoming southwest. sunny.
waves 2 feet or less. 
.tonight...southwest winds 10 to 15 knots. a chance of showers
with a slight chance of thunderstorms. waves 2 feet or less. 
.tuesday...south winds 10 to 15 knots becoming southwest 15 to
20 knots. a chance of showers and thunderstorms in the afternoon.
waves 1 to 3 feet. 
.tuesday night...southwest winds 15 to 20 knots becoming west
10 to 15 knots. showers with thunderstorms likely in the evening,
then showers overnight. waves 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

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 180744
nshcle
expires:202605181415;;756375

nearshore marine forecast
national weather service cleveland oh
344 am edt mon may 18 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.


lez148-149-181415-
geneva-on-the-lake to conneaut oh-conneaut oh to ripley ny-
344 am edt mon may 18 2026

.today...south winds 10 to 15 knots becoming southwest. sunny.
waves 2 feet or less. 
.tonight...southwest winds 5 to 10 knots becoming south. a slight
chance of showers and thunderstorms in the evening, then a chance
of showers with a slight chance of thunderstorms overnight. waves
1 foot or less. 
.tuesday...south winds 10 to 15 knots becoming southwest. a
chance of showers and thunderstorms in the afternoon. waves
2 feet or less. 
.tuesday night...southwest winds 10 to 15 knots becoming west.
showers with thunderstorms likely in the evening, then showers
overnight. waves 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

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 180833
nshdlh
expires:202605181600;;758244

nearshore marine forecast
national weather service duluth mn
333 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-
333 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. 
.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 180833
nshdlh
expires:202605181600;;758252

nearshore marine forecast
national weather service duluth mn
333 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-
333 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 foot
or less. 
.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
2 feet. 
.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 180833
nshdlh
expires:202605181600;;758243

nearshore marine forecast
national weather service duluth mn
333 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-
333 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
subsiding to 1 to 3 feet late in the afternoon. 
.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 1 to 3 feet building to 4 to 6 feet in the late evening and
overnight. 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 6 feet subsiding to
1 to 2 feet. waves occasionally to 8 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 180833
nshdlh
expires:202605181600;;758249

nearshore marine forecast
national weather service duluth mn
333 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-
333 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
2 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 2 feet building to 3 to 5 feet after midnight. 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 subsiding to 1 to 3 feet late in the afternoon. a small
craft advisory may be needed. 
.tuesday night...west wind 5 to 10 knots. mostly cloudy. waves
1 to 2 feet. 

$$

fzus53 kdlh 180833
nshdlh
expires:202605181600;;758248

nearshore marine forecast
national weather service duluth mn
333 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-
333 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
2 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. 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. 
.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 180833
nshdlh
expires:202605181600;;758247

nearshore marine forecast
national weather service duluth mn
333 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-
333 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 3 feet building to 2 to 4 feet
after midnight. 
.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. 
.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 180833
nshdlh
expires:202605181600;;758246

nearshore marine forecast
national weather service duluth mn
333 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-
333 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 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 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 180833
nshdlh
expires:202605181600;;758245

nearshore marine forecast
national weather service duluth mn
333 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-
333 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 2 to 4 feet subsiding
to 1 to 3 feet 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 180833
nshdlh
expires:202605181600;;758253

nearshore marine forecast
national weather service duluth mn
333 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-
333 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 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 4 to 6 feet. waves occasionally to 8 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 3 feet subsiding to 1 to 2 feet in the late evening
and overnight. 

$$

fzus53 kdlh 180833
nshdlh
expires:202605181600;;758250

nearshore marine forecast
national weather service duluth mn
333 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-
333 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 2 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 3 feet building to 3 to 5 feet after midnight. 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. 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 180721
nshdtx
expires:202605181530;;755653

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
321 am edt mon may 18 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.


lhz442-181530-
harbor beach to port sanilac mi-
321 am edt mon may 18 2026

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

.today...south winds 10 to 15 knots increasing to 15 to 20 knots
in the afternoon. partly cloudy in the morning, then mostly sunny
with a chance of thunderstorms and a slight chance of showers in
the afternoon. waves 1 to 3 feet building to 2 to 4 feet in the
late morning and afternoon. 
.tonight...southwest winds 15 to 20 knots diminishing to 10 to
15 knots in the late evening and overnight. mostly cloudy until
early morning becoming partly cloudy. showers and thunderstorms
likely in the evening, then a chance of showers and thunderstorms
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. gusts 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 2 to 4 feet building
to 3 to 5 feet in the late morning and afternoon. waves
occasionally around 7 feet. 
.tuesday night...west winds 15 to 20 knots veering to the
northwest in the late evening and early morning, then becoming
north 10 to 15 knots after midnight. 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
subsiding to 1 to 3 feet in the late evening and overnight. 

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

$$

fzus53 kdtx 180721
nshdtx
expires:202605181530;;755652

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
321 am edt mon may 18 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.


lhz441-181530-
port austin to harbor beach mi-
321 am edt mon may 18 2026

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

.today...south winds 10 to 15 knots becoming southwest 15 to
20 knots in the afternoon. partly cloudy in the morning, then
mostly sunny with showers likely and a chance of thunderstorms in
the afternoon. waves 2 to 4 feet. 
.tonight...southwest winds 15 to 20 knots. mostly cloudy. rain
showers likely in the evening. a chance of thunderstorms. a
chance of showers after midnight. waves 2 to 4 feet. 
.tuesday...southwest winds 15 to 20 knots increasing to 20 to
25 knots with gusts 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 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. 
.tuesday night...west winds 15 to 20 knots veering to the
northwest in the late evening and early morning, then becoming
north 10 to 15 knots after midnight. mostly cloudy. light showers
likely and a chance of thunderstorms early in the evening. waves
3 to 5 feet. waves occasionally around 7 feet. 

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

$$

fzus53 kdtx 180721
nshdtx
expires:202605181530;;755650

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
321 am edt mon may 18 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.


lhz422-181530-
inner saginaw bay sw of point au gres to bay port mi-
321 am edt mon may 18 2026

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

.today...south winds 15 to 20 knots becoming southwest 20 to
25 knots in the afternoon. mostly sunny in the morning, then
partly cloudy with showers likely and a chance of thunderstorms
in the afternoon. waves 2 to 4 feet building to 3 to 5 feet in
the late morning and afternoon. waves occasionally around 7 feet.
.tonight...southwest winds 20 to 25 knots diminishing to 15 to
20 knots in the late evening and overnight. mostly cloudy.
showers likely and a chance of thunderstorms early in the
evening, then a chance of showers and thunderstorms in the late
evening and overnight. waves 2 to 4 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 3 to 5 feet. waves
occasionally around 6 feet. 
.tuesday night...west winds 20 to 25 knots with gusts to 30 knots
becoming northwest 15 to 20 knots after midnight. mostly cloudy
until early morning becoming partly cloudy. light showers likely
and a chance of thunderstorms early in the evening. waves 3 to
5 feet. waves occasionally around 7 feet. 

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

$$

fzus53 kdtx 180721
nshdtx
expires:202605181530;;755651

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
321 am edt mon may 18 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.


lhz421-181530-
outer saginaw bay sw of alabaster to port austin mi to inner
saginaw bay-
321 am edt mon may 18 2026

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

.today...southwest winds 15 to 20 knots. partly cloudy. a chance
of showers and thunderstorms in the afternoon. waves 2 to 4 feet.
.tonight...southwest winds 15 to 20 knots. mostly cloudy. rain
showers likely in the evening. a chance of thunderstorms. a
chance of showers after midnight. waves 3 to 5 feet. waves
occasionally around 7 feet. 
.tuesday...southwest winds 20 to 25 knots. gusts 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 early in the
afternoon. waves 4 to 6 feet. waves occasionally around 8 feet. 
.tuesday night...west winds 20 to 25 knots with gusts to 30 knots
becoming northwest 15 to 20 knots in the late evening and
overnight. mostly cloudy until early morning becoming partly
cloudy. light showers likely early in the evening. waves 3 to
5 feet. waves occasionally around 7 feet. 

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

$$

fzus53 kdtx 180721
nshdtx
expires:202605181530;;755655

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
321 am edt mon may 18 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.


lez444-181530-
michigan waters of lake erie from detroit river to north cape mi-
321 am edt mon may 18 2026

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

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

the water temperature at belle isle is missing.

$$

fzus53 kdtx 180721
nshdtx
expires:202605181530;;755654

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
321 am edt mon may 18 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.


lhz443-181530-
port sanilac to port huron mi-
321 am edt mon may 18 2026

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

.today...south winds 10 to 15 knots increasing to 15 to 20 knots
in the late morning and afternoon. mostly sunny. a chance of
showers and thunderstorms in the afternoon. waves 1 to 3 feet
building to 2 to 4 feet in the afternoon. 
.tonight...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...southwest winds 15 to 20 knots increasing to 20 to
25 knots early in the afternoon. partly cloudy until late
afternoon. a chance of showers in the late morning and early
afternoon. rain showers and a chance of thunderstorms early in
the afternoon. waves 2 to 4 feet. 
.tuesday night...west winds 15 to 20 knots veering to the north
after midnight. mostly cloudy. a chance of showers and
thunderstorms until early morning. waves 2 to 4 feet subsiding to
1 to 3 feet in the late evening and early morning, then building
to 2 to 4 feet after midnight. 

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;;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 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 kiwx 180740
nshiwx
expires:202605181415;;756218

nearshore marine forecast
national weather service northern indiana
340 am edt mon may 18 2026

for waters within five nautical miles of shore on lake michigan


lmz043-181415-
new buffalo mi to st joseph mi-
340 am edt mon may 18 2026

.today...south winds 10 to 15 knots becoming southwest. gusts up
to 25 knots. a chance of showers and thunderstorms this morning,
then showers likely with a chance of thunderstorms this
afternoon. waves 1 to 2 feet. 
.tonight...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 evening. waves 1 to 2 feet. 
.tuesday...south winds 15 to 20 knots becoming southwest 10 to
15 knots. 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. 
.tuesday night...west winds 10 to 15 knots becoming north.
showers likely with a chance of thunderstorms in the evening.
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 180740
nshiwx
expires:202605181415;;756217

nearshore marine forecast
national weather service northern indiana
340 am edt mon may 18 2026

for waters within five nautical miles of shore on lake michigan


lmz046-181415-
michigan city in to new buffalo mi-
340 am edt mon may 18 2026

.today...south winds 10 to 15 knots becoming southwest 15 to
20 knots. gusts up to 25 knots. a chance of showers and 
thunderstorms this morning, then showers likely with a chance of 
thunderstorms this afternoon. waves 1 to 2 feet. 
.tonight...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 evening. waves 1 to 2 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 likely with a chance of thunderstorms in
the afternoon. waves 1 to 3 feet building to 2 to 4 feet. 
.tuesday night...west winds 10 to 15 knots becoming north.
showers likely with a chance of thunderstorms in the evening.
waves 2 to 3 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;;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 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 kmkx 180810
nshmkx
expires:202605182100;;757854

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

for waters within five nautical miles of shore on lake michigan


lmz644-182100-
port washington to north point light wi-
310 am cdt mon may 18 2026

.early this morning...south wind 10 to 15 knots. mostly cloudy
with a 50 percent chance of showers and thunderstorms. patchy
dense fog. waves 3 to 4 feet. 
.today...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 until late afternoon, then slight chance of showers
and thunderstorms late in the afternoon. waves 3 to 4 feet. 
.tonight...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. a small craft advisory may be
needed. 
.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. 
.tuesday night...northwest wind 15 to 20 knots easing to 10 to
15 knots after midnight, then veering north early in the morning.
partly cloudy. waves 1 to 2 feet. 

$$

fzus53 kmkx 180810
nshmkx
expires:202605182100;;757853

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

for waters within five nautical miles of shore on lake michigan


lmz643-182100-
sheboygan to port washington wi-
310 am cdt mon may 18 2026

.early this morning...south wind 10 to 15 knots. mostly cloudy
with a 50 percent chance of showers and thunderstorms. areas of
dense fog. waves 3 to 5 feet. 
.today...south wind 15 to 20 knots. chance of showers and
thunderstorms until late afternoon, then slight chance of showers
and thunderstorms late in the afternoon. 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. 
.tonight...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. a small craft advisory
may be needed. 
.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. 
.tuesday night...northwest wind 15 to 20 knots easing to 10 to
15 knots after midnight, then veering north early in the morning.
partly cloudy. waves 2 to 4 feet subsiding to 1 to 2 feet in the
late evening and overnight. 

$$

fzus53 kmkx 180810
nshmkx
expires:202605182100;;757856

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

for waters within five nautical miles of shore on lake michigan


lmz646-182100-
wind point wi to winthrop harbor il-
310 am cdt mon may 18 2026

.early this morning...south wind 10 to 15 knots rising to 15 to
20 knots early in the morning. partly cloudy with a 50 percent
chance of showers and thunderstorms. waves 2 to 4 feet. 
.today...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. 
.tonight...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. 
.tuesday night...northwest wind 10 to 15 knots with gusts to
around 20 knots veering north early in the morning. partly
cloudy. waves 1 to 2 feet. 

$$

fzus53 kmkx 180810
nshmkx
expires:202605182100;;757855

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

for waters within five nautical miles of shore on lake michigan


lmz645-182100-
north point light to wind point wi-
310 am cdt mon may 18 2026

.early this morning...south wind 10 to 15 knots. mostly cloudy
with a 50 percent chance of showers and thunderstorms. waves 2 to
4 feet. 
.today...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. 
.tonight...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. 
.tuesday night...northwest wind 15 to 20 knots easing to 10 to
15 knots late in the evening, then becoming northwest 10 to
15 knots after midnight veering north early in the morning.
partly cloudy. waves 1 to 2 feet building to 2 to 4 feet early in
the morning. 

$$