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nearshore marine forecast
national weather service buffalo ny
1005 pm edt mon apr 20 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.


lez020-210900-
upper niagara river and buffalo harbor-
1005 pm edt mon apr 20 2026

.overnight...light and variable winds. partly cloudy. 
.tuesday...south winds 5 to 15 knots. partly sunny in the
morning, then becoming mostly cloudy. 
.tuesday night...south winds 5 to 10 knots becoming light and
variable. mostly cloudy in the evening, then becoming partly
cloudy. 
.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...east winds 10 knots or less. a chance of showers friday
night. 
.saturday...northeast winds 5 to 10 knots. a chance of showers. 

the water temperature off buffalo is 44 degrees.

$$

fzus51 kbuf 210205
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nearshore marine forecast
national weather service buffalo ny
1005 pm edt mon apr 20 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.


loz042-210900-
niagara river to hamlin beach along lake ontario-
1005 pm edt mon apr 20 2026

.overnight...southwest winds 10 knots or less becoming
south. partly cloudy. waves 2 feet or less. 
.tuesday...south winds 10 to 15 knots. mostly cloudy. waves
2 feet or less. 
.tuesday night...south winds 10 knots or less becoming northeast.
mostly cloudy. waves 1 foot or less. 
.wednesday...northeast winds 10 knots or less becoming northwest.
mostly sunny. waves 1 foot or less. 
.wednesday night...northwest winds less than 10 knots becoming
north. mainly clear in the evening, then becoming partly cloudy.
waves 1 foot or less. 
.thursday...northeast winds 10 knots or less becoming east.
partly cloudy. waves 1 foot or less. 
.friday...east winds 5 to 15 knots increasing to 15 to 20 knots.
a chance of showers friday night. waves 1 to 3 feet. 
.saturday...east winds 15 to 20 knots becoming northeast 10 to
15 knots. a chance of showers. waves 2 to 4 feet. 

$$

fzus53 kdtx 210230
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nearshore marine forecast for michigan
national weather service detroit/pontiac mi
1030 pm edt mon apr 20 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.


lhz441-211030-
port austin to harbor beach mi-
1030 pm edt mon apr 20 2026

...small craft advisory in effect from 2 am edt tuesday through
tuesday afternoon...

.rest of tonight...south winds 15 to 20 knots. gusts to 25 knots. 
mostly clear this evening becoming mostly cloudy. waves 1 to 3 
feet building to 2 to 4 feet after midnight. 
.tuesday...south winds 15 to 20 knots becoming southwest 10 to
15 knots early in the afternoon. gusts to 25 knots. mostly cloudy
becoming partly cloudy in the late morning and early afternoon 
becoming mostly sunny. a chance of sprinkles early in the morning,
then a chance of showers in the late morning and early afternoon.
waves 2 to 4 feet. 
.tuesday night...southeast winds 5 to 10 knots backing to the
north in the late evening and overnight. mostly clear. waves
2 feet or less. 
.wednesday...north winds 5 to 10 knots. sunny. waves 2 feet or
less. 

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

$$

fzus53 kdtx 210230
nshdtx
expires:202604211030;;721244

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
1030 pm edt mon apr 20 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.


lhz442-211030-
harbor beach to port sanilac mi-
1030 pm edt mon apr 20 2026

...small craft advisory in effect from 2 am edt tuesday through
tuesday afternoon...

.rest of tonight...south winds 10 to 15 knots increasing to 15 to
20 knots after midnight. gusts to 25 knots. clear this evening 
becoming mostly cloudy. waves 1 to 3 feet building to 2 to 4 feet 
after midnight.
.tuesday...south winds 15 to 20 knots diminishing to 10 to
15 knots early in the afternoon. gusts to 25 knots. mostly cloudy
early in the morning becoming partly cloudy. a chance of showers 
until late afternoon. waves 3 to 5 feet. waves occasionally around
7 feet. 
.tuesday night...southwest winds 5 to 10 knots veering to the
north in the late evening and overnight. mostly clear. waves
2 feet or less. 
.wednesday...north winds 5 to 10 knots. sunny. waves 2 feet or
less. 

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

$$

fzus53 kdtx 210230
nshdtx
expires:202604211030;;721245

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
1030 pm edt mon apr 20 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.


lhz443-211030-
port sanilac to port huron mi-
1030 pm edt mon apr 20 2026

...small craft advisory in effect from 2 am edt tuesday through
tuesday afternoon...

.rest of tonight...southeast winds 10 to 15 knots becoming south
15 to 20 knots after midnight. gusts to 25 knots. clear this 
evening becoming partly cloudy. waves 1 to 3 feet building to 2 to
4 feet early in the morning. 
.tuesday...south winds 15 to 20 knots becoming southwest 10 to
15 knots early in the afternoon. gusts to 25 knots. mostly cloudy
becoming partly cloudy in the late morning and early afternoon 
becoming mostly sunny. a chance of showers until late afternoon. 
waves 3 to 5 feet subsiding to 2 to 4 feet early in the afternoon.
waves occasionally around 7 feet. 
.tuesday night...southwest winds 5 to 10 knots veering to the
north after midnight. mostly clear. waves 2 feet or less. 
.wednesday...north winds 5 to 10 knots. sunny. waves 2 feet or
less. 

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

$$