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nearshore marine forecast
national weather service buffalo ny
404 am edt tue apr 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.


lez020-211500-
upper niagara river and buffalo harbor-
404 am edt tue apr 21 2026

.today...south winds 5 to 10 knots. partly sunny. 
.tonight...south winds 5 to 15 knots becoming southwest. a chance
of showers. 
.wednesday...light and variable winds. mostly sunny. 
.wednesday night...light and variable winds. mainly clear in the
evening, then becoming partly cloudy. 
.thursday...light and variable winds. partly cloudy. 
.friday...northeast winds 10 knots or less becoming east. a
chance of showers friday night. 
.saturday...northeast winds 5 to 10 knots. showers likely. 

the water temperature off buffalo is 44 degrees.

$$

fzus51 kbuf 210805
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nearshore marine forecast
national weather service buffalo ny
404 am edt tue apr 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.


loz042-211500-
niagara river to hamlin beach along lake ontario-
404 am edt tue apr 21 2026

.today...south winds 5 to 10 knots. partly sunny. waves 2 feet or
less. 
.tonight...southeast winds 5 to 15 knots becoming northwest. a
chance of showers. waves 2 feet or less. 
.wednesday...north winds less than 10 knots becoming northeast.
mostly sunny. waves 1 foot or less. 
.wednesday night...northeast winds less than 10 knots. mainly
clear. waves 1 foot or less. 
.thursday...north winds 10 knots or less becoming east. partly to
mostly cloudy. waves 1 foot or less. 
.friday...east winds 10 to 15 knots increasing to 15 to 20 knots.
a chance of showers friday night. waves 1 to 3 feet building to
2 to 4 feet. 
.saturday...east winds 15 to 20 knots becoming northeast 10 to
15 knots. showers likely. waves 3 to 5 feet subsiding to 2 to
4 feet. waves occasionally around 6 feet. 

$$

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nearshore marine forecast for michigan
national weather service detroit/pontiac mi
945 am edt tue apr 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.


lhz441-212145-
port austin to harbor beach mi-
945 am edt tue apr 21 2026

...small craft advisory in effect until 2 pm edt this afternoon...

.rest of today...south winds 15 to 20 knots diminishing to 10 to
15 knots in the afternoon. partly cloudy late in the morning then
clearing. a chance of sprinkles late in the morning. waves 2 to
4 feet. 
.tonight...south winds 5 to 10 knots backing to the north in the
late evening and overnight. mostly clear. waves 1 to 3 feet. 
.wednesday...north winds 5 to 10 knots. sunny. waves 2 feet or
less. 
.wednesday night...east winds 5 to 10 knots until early morning
becoming light and variable. clear. waves 2 feet or less. 

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

$$

fzus53 kdtx 211345
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expires:202604212145;;746444

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
945 am edt tue apr 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.


lhz442-212145-
harbor beach to port sanilac mi-
945 am edt tue apr 21 2026

...small craft advisory in effect until 2 pm edt this afternoon...

.rest of today...south winds 15 to 20 knots diminishing to 10 to
15 knots late in the afternoon. partly cloudy late in the morning
becoming mostly sunny. a chance of sprinkles late in the morning.
waves 3 to 5 feet. waves occasionally around 7 feet. 
.tonight...south winds 5 to 10 knots veering to the north in the
late evening and overnight. mostly clear. a slight chance of
showers early in the evening. waves 2 feet or less. 
.wednesday...north winds 5 to 10 knots. sunny. waves 2 feet or
less. 
.wednesday night...northeast winds 5 to 10 knots early in the
evening becoming light and variable. clear. waves 2 feet or less.

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

$$

fzus53 kdtx 211345
nshdtx
expires:202604212145;;746445

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
945 am edt tue apr 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.


lhz443-212145-
port sanilac to port huron mi-
945 am edt tue apr 21 2026

...small craft advisory in effect until 2 pm edt this afternoon...

.rest of today...south winds 15 to 20 knots diminishing to 10 to
15 knots late in the afternoon. mostly cloudy with a chance of
sprinkles late in the morning, then mostly sunny with a slight
chance of showers in the afternoon. waves 3 to 5 feet subsiding
to 2 to 4 feet late in the afternoon. waves occasionally around
7 feet. 
.tonight...southwest winds 5 to 10 knots veering to the northwest
in the late evening and overnight. partly cloudy. a slight chance
of showers until early morning. waves 2 feet or less. 
.wednesday...north winds 5 to 10 knots. mostly sunny. waves
2 feet or less. 
.wednesday night...northeast winds 5 to 10 knots until early
morning becoming light and variable. clear. waves 2 feet or less.

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

$$