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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. 

$$

fzus51 kbuf 210805
nshbuf
expires:202604211500;;734799

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.


loz043-211500-
hamlin beach to sodus bay along lake ontario
including irondequoit bay-
404 am edt tue apr 21 2026

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

the water temperature off rochester is 43 degrees.

$$

fzus51 kbuf 210805
nshbuf
expires:202604211500;;734800

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.


loz044-211500-
sodus bay to mexico bay along lake ontario-
404 am edt tue apr 21 2026

.today...south winds 5 to 10 knots becoming southeast. partly
sunny this morning, then becoming mostly cloudy. waves 2 feet or
less. 
.tonight...southeast winds 10 to 15 knots. a chance of showers.
waves 2 feet or less. 
.wednesday...southeast winds 10 knots or less becoming north.
partly to mostly sunny. waves 1 foot or less. 
.wednesday night...northwest winds less than 10 knots. mainly
clear in the evening, then becoming partly cloudy. waves 1 foot
or less. 
.thursday...northwest winds 10 knots or less becoming northeast.
partly cloudy. waves 1 foot or less. 
.friday...northeast winds 5 to 15 knots becoming east. a chance
of rain showers friday night. waves 2 feet or less. 
.saturday...east winds 10 to 15 knots becoming southeast. showers
likely. waves 2 feet or less. 

$$

fzus51 kbuf 210805
nshbuf
expires:202604211500;;734801

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.


loz045-211500-
mexico bay to the saint lawrence river along lake ontario-
404 am edt tue apr 21 2026

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

$$