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fzus51 kbuf 201743
nshbuf
expires:202604202115;;700962

nearshore marine forecast
national weather service buffalo ny
143 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.


lez020-202115-
upper niagara river and buffalo harbor-
143 pm edt mon apr 20 2026

.this afternoon...northwest winds around 10 knots becoming west.
partly sunny. 
.tonight...west winds 10 knots or less becoming south. becoming
mainly clear. 
.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. becoming mainly clear. 
.thursday...light and variable winds. partly cloudy. 
.friday...east winds 10 knots or less. a chance of showers friday
night. 

the water temperature off buffalo is 44 degrees.

$$
fzus51 kbuf 201743
nshbuf
expires:202604202115;;700965

nearshore marine forecast
national weather service buffalo ny
143 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.


loz042-202115-
niagara river to hamlin beach along lake ontario-
143 pm edt mon apr 20 2026

.this afternoon...northwest winds 10 to 15 knots becoming west.
sunny. waves 1 to 3 feet. 
.tonight...west winds 5 to 15 knots becoming south 10 knots or
less. becoming mainly clear. waves 1 to 3 feet subsiding to
1 foot or less. 
.tuesday...south winds 10 to 15 knots. partly sunny in the
morning, then becoming 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 less than 10 knots becoming
northwest. becoming mainly clear. 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. a chance of showers friday
night. waves 1 to 3 feet. 

$$
fzus53 kdtx 201223
nshdtx
expires:202604202030;;690297

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
823 am 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.


lhz441-202030-
port austin to harbor beach mi-
823 am edt mon apr 20 2026

...small craft advisory in effect until 10 am edt this morning...

.rest of today...northwest winds 10 to 15 knots diminishing to
5 to 10 knots early in the afternoon, then veering to the east
late in the afternoon. mostly sunny. waves 3 to 5 feet subsiding
to 1 to 3 feet in the afternoon. waves occasionally around
7 feet. 
.tonight...south winds 10 to 15 knots increasing to 15 to
20 knots after midnight. mostly clear until early morning
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. mostly cloudy becoming partly
cloudy in the late morning and early afternoon becoming mostly
sunny. a chance of sprinkles until late afternoon. waves 3 to
5 feet subsiding to 1 to 3 feet early in the afternoon. waves
occasionally around 7 feet. 
.tuesday night...south winds 5 to 10 knots backing to the north
in the late evening and overnight. mostly clear. waves 2 feet or
less. 

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

$$
fzus53 kdtx 201223
nshdtx
expires:202604202030;;690298

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
823 am 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.


lhz442-202030-
harbor beach to port sanilac mi-
823 am edt mon apr 20 2026

...small craft advisory in effect until 10 am edt this morning...

.rest of today...northwest winds 10 to 15 knots becoming north
5 to 10 knots early in the afternoon, then veering to the east
late in the afternoon. mostly sunny. waves 2 to 4 feet subsiding
to 1 to 3 feet in the afternoon. 
.tonight...south winds 10 to 15 knots increasing to 15 to
20 knots after midnight. mostly clear until early morning
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. mostly cloudy becoming partly
cloudy in the late morning and early afternoon becoming mostly
sunny. a chance of sprinkles 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 in the late evening and overnight. mostly clear. waves
2 feet or less. 

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

$$
fzus53 kdtx 201223
nshdtx
expires:202604202030;;690299

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
823 am 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.


lhz443-202030-
port sanilac to port huron mi-
823 am edt mon apr 20 2026

...small craft advisory in effect until 10 am edt this morning...

.rest of today...northwest winds 10 to 15 knots becoming north
5 to 10 knots early in the afternoon, then veering to the
northeast late in the afternoon. mostly sunny. waves 2 to 4 feet
subsiding to 1 to 3 feet in the late morning and afternoon. 
.tonight...southeast winds 5 to 10 knots becoming south 15 to
20 knots. mostly clear until early morning 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. mostly cloudy becoming partly
cloudy in the late morning and early afternoon becoming mostly
sunny. a chance of sprinkles 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
northwest in the late evening and overnight. mostly clear. waves
2 feet or less. 

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

$$
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