fzus51 kcle 220136
nshcle
expires:202605220815;;429753

nearshore marine forecast
national weather service cleveland oh
936 pm 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.


lez142-220815-
maumee bay to reno beach oh-
936 pm edt thu may 21 2026

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

.overnight...east winds 15 to 20 knots. mostly clear. waves
2 to 4 feet building to 3 to 5 feet. waves occasionally around
6 feet. 
.friday...east winds 20 to 25 knots. partly sunny. waves 3 to
5 feet. waves occasionally around 6 feet. 
.friday night...east winds 15 to 25 knots. a chance of showers in
the evening, then showers overnight. waves 3 to 5 feet. waves
occasionally around 6 feet. 
.saturday...east winds 15 to 25 knots diminishing to 10 to
15 knots. showers. waves 3 to 5 feet subsiding to 1 to 3 feet.
waves occasionally around 6 feet. 

see lake erie open lakes forecast for sunday through tuesday.

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

$$

fzus51 kcle 220136
nshcle
expires:202605220815;;429754

nearshore marine forecast
national weather service cleveland oh
936 pm 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>145-220815-
reno beach to the islands oh-the islands to vermilion oh-
vermilion to avon point oh-
936 pm edt thu may 21 2026

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

.overnight...east winds 15 to 25 knots. mostly clear. waves
4 to 7 feet subsiding to 3 to 6 feet. waves occasionally around
9 feet. 
.friday...east winds 15 to 25 knots. a slight 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. a chance of showers in
the evening, then showers overnight. waves 4 to 7 feet subsiding
to 3 to 6 feet. waves occasionally around 9 feet. 
.saturday...southeast winds 15 to 20 knots. showers. waves 3 to
5 feet subsiding to 1 to 3 feet. waves occasionally around
6 feet. 

see lake erie open lakes forecast for sunday through tuesday.

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

$$

fzus53 kdtx 220142
nshdtx
expires:202605220945;;429858

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
942 pm 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.


lez444-220945-
michigan waters of lake erie from detroit river to north cape mi-
942 pm edt thu may 21 2026

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

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

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

the water temperature at belle isle is missing.

$$

fzus53 kdtx 220142
nshdtx
expires:202605220945;;429853

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
942 pm 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.


lhz422-220945-
inner saginaw bay sw of point au gres to bay port mi-
942 pm edt thu may 21 2026

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

.rest of tonight...northeast winds 15 to 20 knots. mostly clear.
waves 2 to 4 feet. 
.friday...east winds 15 to 20 knots becoming northeast 20 to
25 knots with gusts to 30 knots early in the afternoon. partly
cloudy. waves 2 to 4 feet. 
.friday night...east winds 20 to 25 knots. gusts to 30 knots
until early morning. mostly cloudy. a chance of showers after
midnight. waves 3 to 5 feet. waves occasionally around 7 feet. 
.saturday...east winds 20 to 25 knots with gusts to 30 knots.
rain showers. waves 3 to 5 feet. waves occasionally around
7 feet. 

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

$$

fzus53 kdtx 220142
nshdtx
expires:202605220945;;429856

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
942 pm 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.


lhz442-220945-
harbor beach to port sanilac mi-
942 pm edt thu may 21 2026

...small craft advisory in effect from friday evening through
saturday morning...

.rest of 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 early in the morning. 
.friday...east winds 10 to 15 knots. partly cloudy. waves 2 to
4 feet. 
.friday night...east winds 15 to 20 knots increasing to 20 to
25 knots after midnight. cloudy. a chance of showers after
midnight. waves 3 to 5 feet. waves occasionally around 6 feet. 
.saturday...east winds 20 to 25 knots with gusts to 30 knots.
rain showers. waves 5 to 7 feet. waves occasionally around
10 feet. 

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

$$

fzus53 kdtx 220142
nshdtx
expires:202605220945;;429857

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
942 pm 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.


lhz443-220945-
port sanilac to port huron mi-
942 pm edt thu may 21 2026

...small craft advisory in effect from friday evening through
saturday morning...

.rest of 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 early in the morning. 
.friday...east winds 15 to 20 knots. partly cloudy until late
afternoon becoming mostly cloudy. waves 2 to 4 feet. 
.friday night...east winds 15 to 20 knots increasing to 20 to
25 knots after midnight. cloudy. light showers likely after
midnight. waves 3 to 5 feet. waves occasionally around 7 feet. 
.saturday...east winds 20 to 25 knots. gusts to 30 knots until
late afternoon. rain showers. waves 5 to 7 feet. waves
occasionally around 10 feet. 

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

$$

fzus53 kgrr 220158
nshgrr
expires:202605220800;;429976

nearshore marine forecast
national weather service grand rapids mi
958 pm edt thu may 21 2026

for waters within five nautical miles of shore on lake michigan


lmz844-220800-
st joseph to south haven mi-
958 pm edt thu may 21 2026

.through early evening...north winds around 15 knots. mostly sunny.
waves 1 to 3 feet. 
.tonight...northeast winds 10 to 15 knots. partly cloudy. waves 1 to
3 feet. 
.friday...east winds 15 to 20 knots. mostly cloudy. waves 1 to
2 feet. 
.friday night...east winds 15 to 20 knots. rain showers likely.
waves 1 to 2 feet. 
.saturday...northeast winds 10 to 15 knots backing north early in
the afternoon. mostly cloudy with rain showers likely. waves around
1 foot. 
.saturday night...north winds around 10 knots veering southeast
after midnight. mostly cloudy. waves around 1 foot. 
.sunday...south winds around 5 knots veering northwest early in the
afternoon. mostly cloudy with a chance of rain showers. waves 1 foot
or less. 
.memorial day...southeast winds around 5 knots veering south in the
late morning and early afternoon, then veering northwest early in
the afternoon. partly sunny. waves less than 1 foot. 
.tuesday...southeast winds 5 to 10 knots veering southwest in the
late morning and early afternoon, then veering north early in the
afternoon. mostly sunny. waves less than 1 foot. 

$$

fzus53 kgrr 220158
nshgrr
expires:202605220800;;429975

nearshore marine forecast
national weather service grand rapids mi
958 pm edt thu may 21 2026

for waters within five nautical miles of shore on lake michigan


lmz845-220800-
south haven to holland mi-
958 pm edt thu may 21 2026

.through early evening...north winds 10 to 15 knots. partly 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 15 to 20 knots. rain showers likely.
waves 1 to 2 feet. 
.saturday...east winds 15 to 20 knots backing north early in the
afternoon. rain showers likely. waves around 1 foot. 
.saturday night...north winds 5 to 15 knots veering east after
midnight. mostly cloudy. waves around 1 foot. 
.sunday...southeast winds 5 to 10 knots veering west early in the
afternoon. mostly cloudy. waves 1 foot or less. 
.memorial day...southeast winds 5 to 10 knots veering northwest
early in the afternoon. partly sunny. waves calm. 
.tuesday...south winds 5 to 10 knots veering west early in the
afternoon. mostly sunny. waves less than 1 foot. 

$$

fzus53 kgrr 220158
nshgrr
expires:202605220800;;429974

nearshore marine forecast
national weather service grand rapids mi
958 pm edt thu may 21 2026

for waters within five nautical miles of shore on lake michigan


lmz846-220800-
holland to grand haven mi-
958 pm edt thu may 21 2026

.through early evening...north winds 10 to 15 knots. mostly cloudy.
waves around 1 foot. 
.tonight...east winds 15 to 20 knots. partly cloudy. waves 1 to
2 feet. 
.friday...east winds 15 to 20 knots. partly sunny. waves 1 to
2 feet. 
.friday night...east winds 20 to 25 knots. rain showers likely.
waves 1 to 3 feet. 
.saturday...east winds 15 to 25 knots backing northeast around
15 knots early in the afternoon. rain showers likely. waves 1 to
3 feet. 
.saturday night...north winds 5 to 15 knots veering northeast after
midnight. mostly cloudy. waves around 1 foot. 
.sunday...southeast winds 5 to 10 knots veering southwest in the
late morning and early afternoon, then veering west early in the
afternoon. mostly cloudy. waves less than 1 foot. 
.memorial day...southeast winds 5 to 10 knots veering west early in
the afternoon. partly sunny. waves less than 1 foot. 
.tuesday...south winds 5 to 10 knots veering southwest early in the
afternoon. mostly sunny. waves less than 1 foot. 

$$

fzus53 kgrr 220158
nshgrr
expires:202605220800;;429973

nearshore marine forecast
national weather service grand rapids mi
958 pm edt thu may 21 2026

for waters within five nautical miles of shore on lake michigan


lmz847-220800-
grand haven to whitehall mi-
958 pm edt thu may 21 2026

.through early evening...north winds 10 to 15 knots. mostly cloudy.
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. mostly cloudy. waves 1 to
2 feet. 
.friday night...east winds 20 to 25 knots. rain showers likely.
waves 1 to 3 feet. 
.saturday...east winds 15 to 25 knots backing northeast around
15 knots early in the afternoon. rain showers likely. waves 1 to
3 feet. 
.saturday night...north winds 10 to 15 knots veering northeast 5 to
10 knots after midnight. mostly cloudy. waves around 1 foot. 
.sunday...southeast winds 5 to 10 knots veering west early in the
afternoon. mostly cloudy. waves less than 1 foot. 
.memorial day...southeast winds 5 to 10 knots veering southwest in
the late morning and afternoon. mostly sunny. waves 1 foot or less. 
.tuesday...south winds 5 to 10 knots veering southwest early in the
afternoon. mostly sunny. waves less than 1 foot. 

$$

fzus53 kgrr 220158
nshgrr
expires:202605220800;;429972

nearshore marine forecast
national weather service grand rapids mi
958 pm edt thu may 21 2026

for waters within five nautical miles of shore on lake michigan


lmz848-220800-
whitehall to pentwater mi-
958 pm edt thu may 21 2026

.through early evening...north winds 10 to 15 knots. mostly cloudy.
waves 1 to 3 feet. 
.tonight...northeast winds 10 to 20 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 likely.
waves 1 to 3 feet. 
.saturday...east winds 15 to 20 knots backing northeast 10 to
15 knots early in the afternoon. rain showers likely. waves 1 to
2 feet. 
.saturday night...northeast winds 5 to 15 knots veering east after
midnight. mostly cloudy. waves around 1 foot. 
.sunday...southeast winds 5 to 10 knots veering southwest in the
late morning and afternoon. mostly cloudy. waves less than 1 foot. 
.memorial day...south winds 5 to 10 knots veering southwest 10 to
15 knots early in the afternoon. mostly sunny. waves 1 foot or less.
.tuesday...south winds 5 to 10 knots veering southwest early in the
afternoon. mostly sunny. waves 1 foot or less. 

$$

fzus53 kgrr 220158
nshgrr
expires:202605220800;;429971

nearshore marine forecast
national weather service grand rapids mi
958 pm edt thu may 21 2026

for waters within five nautical miles of shore on lake michigan


lmz849-220800-
pentwater to manistee mi-
958 pm edt thu may 21 2026

.through early evening...north winds 10 to 20 knots. 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 2 to 3 feet. 
.friday...east winds 10 to 20 knots. partly sunny. waves around
1 foot. 
.friday night...east winds 15 to 20 knots. 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. 
.saturday night...northeast winds 5 to 15 knots veering east after
midnight. mostly cloudy. waves 1 foot or less. 
.sunday...south winds 5 to 10 knots veering southwest in the late
morning and afternoon. mostly cloudy. waves less than 1 foot. 
.memorial day...south winds 5 to 15 knots. mostly sunny. waves
1 foot or less. 
.tuesday...south winds 5 to 10 knots veering southwest 10 to
15 knots early in the afternoon. mostly sunny. waves 1 foot or less.

$$

fzus53 kiwx 220224
nshiwx
expires:202605220915;;431210

nearshore marine forecast
national weather service northern indiana
1024 pm edt thu may 21 2026

for waters within five nautical miles of shore on lake michigan


lmz043-220915-
new buffalo mi to st joseph mi-
1024 pm edt thu may 21 2026

.rest of tonight...east winds around 10 knots. partly cloudy late
this evening, then becoming mostly cloudy. waves 1 to 3 feet. 
.friday...east winds 10 to 15 knots. mostly cloudy. waves 1 to
2 feet. 
.friday night...east winds 10 to 15 knots. gusts up to 25 knots.
a chance of showers. waves 2 feet or less. 
.saturday...east winds 5 to 10 knots becoming north. a chance of
showers. waves 1 foot or less. 

the water temperature at st. joseph is 48 degrees and at michigan
city is 55 degrees.

$$