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nearshore marine forecast
national weather service buffalo ny
1003 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.


loz042-302100-
niagara river to hamlin beach along lake ontario-
1003 am edt thu apr 30 2026

.this afternoon...west winds 10 to 15 knots. partly to mostly
sunny. waves 1 to 2 feet. 
.tonight...west winds 5 to 15 knots. becoming mainly clear. waves
1 to 2 feet. 
.friday...west winds 5 to 10 knots. mostly sunny. waves 1 foot or
less. 
.friday night...west winds 5 to 10 knots becoming northwest.
partly to mostly cloudy. waves 1 foot or less. 
.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
3 feet building to 2 to 4 feet. 
.monday...southwest winds 15 to 25 knots. a chance of showers.
waves 2 to 4 feet building to 3 to 5 feet. waves occasionally
around 6 feet. 

$$

fzus51 kbuf 301403
nshbuf
expires:202604302100;;784523

nearshore marine forecast
national weather service buffalo ny
1003 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.


loz043-044-302100-
hamlin beach to mexico bay along lake ontario
including irondequoit bay-
1003 am edt thu apr 30 2026

...small craft advisory in effect through late tonight...

.this afternoon...west winds 10 to 15 knots. partly to mostly
sunny. waves 1 to 3 feet building to 2 to 4 feet. 
.tonight...west winds 15 to 20 knots diminishing to 5 to
15 knots. partly cloudy. waves 2 to 4 feet subsiding to 1 to
3 feet. 
.friday...west winds 5 to 10 knots. mostly sunny. waves 2 feet or
less. 
.friday night...west winds 5 to 10 knots. partly cloudy. waves
1 foot or less. 
.saturday...west winds 5 to 10 knots. partly cloudy. waves 2 feet
or less. 
.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 1 to 3 feet. 

the water temperature off rochester is 44 degrees.

$$

fzus51 kbuf 301403
nshbuf
expires:202604302100;;784524

nearshore marine forecast
national weather service buffalo ny
1003 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.


loz045-302100-
mexico bay to the saint lawrence river along lake ontario-
1003 am edt thu apr 30 2026

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

.this afternoon...northwest winds 10 to 15 knots becoming west.
mostly sunny. waves 1 to 3 feet. 
.tonight...west winds 5 to 15 knots becoming northwest. a chance
of rain showers in the evening. waves 2 to 4 feet subsiding to
1 to 3 feet. 
.friday...northwest winds 5 to 10 knots becoming southwest.
mostly sunny. waves 2 feet or less. 
.friday night...southwest winds 5 to 10 knots becoming west.
partly cloudy. waves 2 feet or less. 
.saturday...west winds 5 to 15 knots. partly cloudy. waves 2 feet
or less. 
.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 2 to 4 feet building to 3 to 5 feet. waves
occasionally around 6 feet. 

$$