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nearshore marine forecast
national weather service buffalo ny
403 am edt thu apr 30 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.


loz042-301500-
niagara river to hamlin beach along lake ontario-
403 am edt thu apr 30 2026

.today...west winds 10 to 15 knots. partly sunny this morning,
then becoming mostly sunny. waves 1 to 3 feet building to 2 to
4 feet. 
.tonight...west winds 5 to 15 knots. becoming mainly clear. waves
1 to 3 feet. 
.friday...west winds 5 to 10 knots. mostly sunny. waves 1 to
2 feet. 
.friday night...west winds 5 to 10 knots becoming northwest.
partly to mostly cloudy. waves 1 to 2 feet. 
.saturday...west winds 5 to 10 knots becoming northwest. partly
cloudy. waves 1 to 2 feet. 
.sunday...west winds 5 to 15 knots becoming southwest 15 to
20 knots. a chance of rain showers sunday night. waves 1 to
2 feet. 
.monday...southwest winds 15 to 25 knots. a chance of showers.
waves 1 to 3 feet. 

$$

fzus51 kbuf 300803
nshbuf
expires:202604301500;;771793

nearshore marine forecast
national weather service buffalo ny
403 am edt thu apr 30 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.


loz043-044-301500-
hamlin beach to mexico bay along lake ontario
including irondequoit bay-
403 am edt thu apr 30 2026

...small craft advisory in effect from noon edt today through
late tonight...

.today...west winds 15 to 20 knots diminishing to 10 to 15 knots.
mostly cloudy this morning, then becoming mostly sunny. waves
2 to 4 feet building to 3 to 5 feet. waves occasionally around
6 feet. 
.tonight...west winds 15 to 20 knots diminishing to 5 to
15 knots. partly cloudy. waves 3 to 5 feet subsiding to 1 to
3 feet. waves occasionally around 6 feet. 
.friday...west winds 5 to 10 knots. mostly sunny. waves 1 to
3 feet. 
.friday night...west winds 5 to 10 knots. partly cloudy. waves
1 to 3 feet. 
.saturday...west winds 5 to 10 knots. partly cloudy. waves 1 to
3 feet. 
.sunday...west winds 10 to 15 knots becoming southwest. a chance
of rain showers sunday night. waves 1 to 3 feet. 
.monday...south winds 15 to 20 knots becoming southwest. showers
likely. waves 2 feet or less. 

the water temperature off rochester is 42 degrees.

$$

fzus51 kbuf 300803
nshbuf
expires:202604301500;;771794

nearshore marine forecast
national weather service buffalo ny
403 am edt thu apr 30 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.


loz045-301500-
mexico bay to the saint lawrence river along lake ontario-
403 am edt thu apr 30 2026

...small craft advisory in effect from 2 pm edt this afternoon
through late tonight...

.today...northwest winds 10 to 15 knots becoming west. a chance
of showers early. waves 1 to 3 feet building to 2 to 4 feet. 
.tonight...west winds 5 to 15 knots becoming northwest. mostly
cloudy. waves 3 to 5 feet subsiding to 1 to 3 feet. waves
occasionally around 6 feet. 
.friday...northwest winds 5 to 10 knots becoming southwest.
mostly sunny. waves 1 to 3 feet. 
.friday night...southwest winds 5 to 10 knots becoming west.
partly cloudy. waves 1 to 3 feet. 
.saturday...west winds 5 to 15 knots. partly cloudy. waves 1 to
3 feet. 
.sunday...west winds 10 to 15 knots becoming south 15 to
20 knots. a chance of rain showers sunday night. waves 1 to
3 feet. 
.monday...south winds 15 to 20 knots becoming southwest. showers
likely. waves 1 to 3 feet. 

$$