fzus51 kcle 211319
nshcle
expires:202605212015;;401931

nearshore marine forecast
national weather service cleveland oh
919 am edt thu may 21 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.


lez143>145-212015-
reno beach to the islands oh-the islands to vermilion oh-
vermilion to avon point oh-
919 am edt thu may 21 2026

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

.this afternoon...northeast winds 15 to 25 knots. mostly sunny.
waves 2 to 4 feet building to 5 to 8 feet. waves occasionally
around 10 feet. 
.tonight...northeast winds 15 to 25 knots becoming east. partly
cloudy. waves 4 to 7 feet subsiding to 3 to 6 feet. waves
occasionally around 9 feet. 
.friday...east winds 15 to 25 knots. a chance of showers in the
afternoon. waves 3 to 6 feet building to 4 to 7 feet. waves
occasionally around 9 feet. 
.friday night...east winds 15 to 25 knots. showers. waves 4 to
7 feet subsiding to 3 to 6 feet. waves occasionally around
9 feet. 

see lake erie open lakes forecast for saturday through monday.

the water temperature off toledo is 60 degrees, off cleveland 55
degrees, and off erie 58 degrees.

$$

fzus51 kcle 211319
nshcle
expires:202605212015;;401930

nearshore marine forecast
national weather service cleveland oh
919 am edt thu may 21 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.


lez142-212015-
maumee bay to reno beach oh-
919 am edt thu may 21 2026

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

.this afternoon...northeast winds 15 to 25 knots becoming east.
sunny. waves 1 to 3 feet building to 3 to 5 feet. waves
occasionally around 6 feet. 
.tonight...east winds 15 to 25 knots. partly cloudy. waves 3 to
5 feet. waves occasionally around 6 feet. 
.friday...east winds 20 to 25 knots. a chance of showers in the
afternoon. waves 3 to 5 feet. waves occasionally around 6 feet. 
.friday night...east winds 20 to 25 knots. showers. waves 3 to
5 feet. waves occasionally around 6 feet. 

see lake erie open lakes forecast for saturday through monday.

the water temperature off toledo is 60 degrees, off cleveland 55
degrees, and off erie 58 degrees.

$$

fzus53 kdtx 211400
nshdtx
expires:202605212200;;402800

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
1000 am edt thu may 21 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.


lhz443-212200-
port sanilac to port huron mi-
1000 am edt thu may 21 2026

.rest of today...northeast winds 10 to 15 knots becoming north
15 to 20 knots late in the afternoon. mostly sunny. waves 1 to
3 feet building to 2 to 4 feet late in the afternoon. 
.tonight...northeast winds 10 to 15 knots veering to the east
after midnight. partly cloudy. waves 2 to 4 feet subsiding to
1 to 3 feet after midnight. 
.friday...east winds 10 to 15 knots. partly cloudy. waves 1 to
3 feet. 
.friday night...east winds 10 to 15 knots increasing to 15 to 20
knots in the late evening and overnight. mostly cloudy. rain showers
likely after midnight. waves 2 to 4 feet building to 3 to 5 feet in
the late evening and overnight. waves occasionally around 7 feet. a
small craft advisory may be needed.

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

$$

fzus53 kdtx 211400
nshdtx
expires:202605212200;;402801

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
1000 am edt thu may 21 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.


lez444-212200-
michigan waters of lake erie from detroit river to north cape mi-
1000 am edt thu may 21 2026

...small craft advisory in effect from 4 pm edt this afternoon
through saturday morning...

.rest of today...northeast winds 10 to 15 knots becoming east
15 to 20 knots in the afternoon. mostly sunny. waves 1 to 3 feet
building to 2 to 4 feet in the afternoon. 
.tonight...east winds 15 to 20 knots. mostly clear. waves 3 to
5 feet. waves occasionally around 7 feet. 
.friday...east winds 15 to 20 knots increasing to 20 to 25 knots
in the late morning and afternoon. partly cloudy until late
afternoon becoming mostly cloudy. a chance of showers early in
the afternoon. waves 4 to 6 feet. waves occasionally around
8 feet. 
.friday night...east winds 20 to 25 knots. gusts to 30 knots
early in the evening. rain showers likely until early morning,
then showers after midnight. waves 4 to 6 feet. waves
occasionally around 8 feet. 

small craft advisory conditions are expected to continue beyond
the forecast period. please refer to the open lakes forecast for
more information.

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

the water temperature at belle isle is missing.

$$

fzus53 kdtx 211400
nshdtx
expires:202605212200;;402796

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
1000 am edt thu may 21 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.


lhz422-212200-
inner saginaw bay sw of point au gres to bay port mi-
1000 am edt thu may 21 2026

.rest of today...northeast winds 15 to 20 knots. mostly sunny.
waves 2 to 4 feet. 
.tonight...northeast winds 15 to 20 knots becoming east 10 to
15 knots after midnight. partly cloudy. waves 2 to 4 feet
subsiding to 1 to 3 feet in the late evening and overnight. 
.friday...east winds 10 to 15 knots becoming northeast 15 to
20 knots in the late morning and afternoon. partly cloudy. waves
1 to 3 feet building to 2 to 4 feet early in the afternoon. 
.friday night...east winds 15 to 20 knots increasing to 20 to 25
knots after midnight. partly cloudy early in the evening becoming
cloudy. rain showers likely after midnight. 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. a small craft advisory may be
needed.

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

$$

fzus53 kdtx 211400
nshdtx
expires:202605212200;;402799

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
1000 am edt thu may 21 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.


lhz442-212200-
harbor beach to port sanilac mi-
1000 am edt thu may 21 2026

.rest of today...northeast winds 10 to 15 knots. mostly sunny.
waves 2 to 4 feet. 
.tonight...northeast winds 10 to 15 knots veering to the east
after midnight. partly cloudy. waves 2 to 4 feet subsiding to
1 to 3 feet after midnight. 
.friday...northeast winds 10 to 15 knots. partly cloudy until
late afternoon becoming mostly sunny. waves 1 to 3 feet. 
.friday night...east winds 10 to 15 knots increasing to 15 to 20
knots in the late evening and overnight. partly cloudy early in the
evening becoming cloudy. rain showers likely after midnight. waves 1
to 3 feet building to 3 to 5 feet in the late evening and overnight.
waves occasionally around 7 feet. a small craft advisory may be
needed.

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

$$

fzus53 kgrr 211318
nshgrr
expires:202605212100;;401918

nearshore marine forecast
national weather service grand rapids mi
918 am edt thu may 21 2026

for waters within five nautical miles of shore on lake michigan


lmz847-212100-
grand haven to whitehall mi-
918 am edt thu may 21 2026

.rest of today...northeast winds 10 to 15 knots backing north early
in the afternoon. mostly sunny late in the morning then becoming
mostly cloudy. waves 1 to 2 feet. 
.tonight...east winds 15 to 20 knots. partly cloudy. waves 1 to
2 feet. 
.friday...east winds 15 to 25 knots. partly sunny. waves 1 to
2 feet. 
.friday night...east winds 20 to 25 knots. cloudy with a chance of
rain showers. waves 1 to 3 feet. 
.saturday...east winds 15 to 25 knots backing north around 15 knots
early in the afternoon. rain showers likely. waves 1 to 3 feet. 
.sunday...south winds around 10 knots veering southwest in the late
morning and afternoon. mostly cloudy. waves 1 foot or less. 
.memorial day...north winds 5 to 10 knots backing west 10 to
15 knots in the late morning and afternoon. partly sunny. waves
1 foot or less. 

$$

fzus53 kgrr 211318
nshgrr
expires:202605212100;;401921

nearshore marine forecast
national weather service grand rapids mi
918 am edt thu may 21 2026

for waters within five nautical miles of shore on lake michigan


lmz844-212100-
st joseph to south haven mi-
918 am edt thu may 21 2026

.rest of today...northeast winds 10 to 15 knots backing north early
in the afternoon. mostly sunny. waves 1 to 2 feet. 
.tonight...northeast winds 10 to 15 knots veering east in the late
evening and overnight. partly cloudy. waves 1 to 3 feet. 
.friday...east winds 15 to 20 knots. partly sunny. waves 1 to
2 feet. 
.friday night...east winds 15 to 25 knots. rain showers and a slight
chance of thunderstorms. waves 1 to 2 feet. 
.saturday...east winds 15 to 20 knots backing northwest 10 to
15 knots early in the afternoon. mostly cloudy with rain showers and
a slight chance of thunderstorms. waves around 1 foot. 
.sunday...south winds 5 to 10 knots veering west early in the
afternoon. mostly cloudy with a chance of rain showers. waves 1 foot
or less. 
.memorial day...north winds 5 to 10 knots becoming around 10 knots
early in the afternoon. partly sunny. waves less than 1 foot. 

$$

fzus53 kgrr 211318
nshgrr
expires:202605212100;;401920

nearshore marine forecast
national weather service grand rapids mi
918 am edt thu may 21 2026

for waters within five nautical miles of shore on lake michigan


lmz845-212100-
south haven to holland mi-
918 am edt thu may 21 2026

.rest of today...northeast winds 10 to 15 knots backing north early
in the afternoon. mostly sunny. waves around 1 foot. 
.tonight...northeast winds 15 to 20 knots. partly cloudy. waves 1 to
2 feet. 
.friday...east winds 15 to 20 knots. partly sunny. waves around
1 foot. 
.friday night...east winds 20 to 25 knots. cloudy with rain showers
and a slight chance of thunderstorms. waves 1 to 2 feet. 
.saturday...northeast winds 15 to 20 knots backing northwest early
in the afternoon. rain showers and a slight chance of thunderstorms.
waves 1 to 2 feet. 
.sunday...south winds 5 to 10 knots veering west early in the
afternoon. mostly cloudy. waves 1 foot or less. 
.memorial day...north winds 5 to 10 knots backing northwest early in
the afternoon. mostly sunny. waves less than 1 foot. 

$$

fzus53 kgrr 211318
nshgrr
expires:202605212100;;401919

nearshore marine forecast
national weather service grand rapids mi
918 am edt thu may 21 2026

for waters within five nautical miles of shore on lake michigan


lmz846-212100-
holland to grand haven mi-
918 am edt thu may 21 2026

.rest of today...northeast winds 10 to 15 knots backing north early
in the afternoon. partly sunny. waves around 1 foot. 
.tonight...east winds 15 to 20 knots. partly cloudy. waves 1 to
2 feet. 
.friday...east winds 15 to 25 knots. partly sunny. waves 1 to
2 feet. 
.friday night...east winds 20 to 25 knots. cloudy with rain showers
and a slight chance of thunderstorms. waves 2 to 3 feet. 
.saturday...east winds 15 to 25 knots backing north around 15 knots
early in the afternoon. rain showers and a slight chance of
thunderstorms. waves 1 to 3 feet. 
.sunday...south winds 5 to 10 knots veering southwest in the late
morning and afternoon. mostly cloudy. waves 1 foot or less. 
.memorial day...north winds 5 to 10 knots backing northwest in the
late morning and afternoon. partly sunny. waves 1 foot or less. 

$$

fzus53 kgrr 211318
nshgrr
expires:202605212100;;401917

nearshore marine forecast
national weather service grand rapids mi
918 am edt thu may 21 2026

for waters within five nautical miles of shore on lake michigan


lmz848-212100-
whitehall to pentwater mi-
918 am edt thu may 21 2026

.rest of today...north winds 10 to 15 knots. mostly sunny late in
the morning then becoming mostly cloudy. waves 1 to 3 feet. 
.tonight...northeast winds 10 to 15 knots veering east in the late
evening and overnight. partly cloudy. waves 1 to 3 feet. 
.friday...east winds 15 to 20 knots. partly sunny. waves 1 to
2 feet. 
.friday night...east winds 20 to 25 knots. mostly cloudy with rain
showers likely. waves 1 to 3 feet. 
.saturday...east winds 15 to 25 knots backing north around 15 knots
early in the afternoon. rain showers likely. waves 1 to 2 feet. 
.sunday...south winds 5 to 10 knots veering southwest early in the
afternoon. mostly cloudy. waves 1 foot or less. 
.memorial day...northeast winds 5 to 15 knots backing southwest in
the late morning and early afternoon, then veering west early in the
afternoon. mostly sunny. waves 1 foot or less. 

$$

fzus53 kgrr 211318
nshgrr
expires:202605212100;;401916

nearshore marine forecast
national weather service grand rapids mi
918 am edt thu may 21 2026

for waters within five nautical miles of shore on lake michigan


lmz849-212100-
pentwater to manistee mi-
918 am edt thu may 21 2026

.rest of today...north winds 10 to 20 knots. mostly sunny late in
the morning then becoming mostly cloudy. waves 1 to 3 feet. 
.tonight...northeast winds 10 to 15 knots veering east in the late
evening and overnight. partly cloudy. waves 1 to 3 feet. 
.friday...east winds 10 to 20 knots. partly sunny. waves around
1 foot. 
.friday night...east winds 15 to 25 knots. mostly cloudy with rain
showers likely. waves 1 to 2 feet. 
.saturday...east winds 10 to 20 knots backing northeast early in the
afternoon. rain showers likely. waves around 1 foot. 
.sunday...southwest winds 5 to 15 knots. mostly cloudy. waves 1 foot
or less. 
.memorial day...south winds 5 to 15 knots veering west in the late
morning and afternoon. mostly sunny. waves 1 foot or less. 

$$

fzus53 kiwx 210754
nshiwx
expires:202605211415;;389902

nearshore marine forecast
national weather service northern indiana
354 am edt thu may 21 2026

for waters within five nautical miles of shore on lake michigan


lmz043-211415-
new buffalo mi to st joseph mi-
354 am edt thu may 21 2026

.today...east winds 10 to 15 knots becoming north. mostly sunny.
waves 1 to 3 feet. 
.tonight...northeast winds 10 to 15 knots becoming east. partly
cloudy in the evening, then becoming mostly cloudy. waves 1 to
3 feet. 
.friday...east winds 10 to 15 knots. partly sunny. waves 1 to
2 feet. 
.friday night...east winds 10 to 15 knots. gusts up to 25 knots.
showers likely in the evening, then showers overnight. waves 1 to
2 feet. 

the water temperature at st. joseph is 54 degrees and at michigan
city is 55 degrees.

$$