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nearshore marine forecast
national weather service buffalo ny
403 am edt tue may 19 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.


loz042-191500-
niagara river to hamlin beach along lake ontario-
403 am edt tue may 19 2026

...small craft advisory in effect from 10 am edt this morning
through late tonight...

.today...southwest winds 10 to 15 knots increasing to 15 to
20 knots. a chance of showers early. waves 1 to 3 feet building
to 2 to 4 feet. 
.tonight...southwest winds 15 to 20 knots becoming west. showers
with a chance of thunderstorms in the evening, then showers
likely overnight. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.wednesday...west winds 10 to 15 knots. a chance of showers in
the morning. waves 1 to 3 feet. 
.wednesday night...northwest winds 5 to 15 knots becoming north.
partly cloudy. waves 1 to 3 feet. 
.thursday...northeast winds 5 to 15 knots becoming east 10 knots
or less. partly to mostly cloudy. waves 2 feet or less. 
.friday...east winds 10 to 15 knots increasing to 15 to 20 knots.
showers likely 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 3 to 5 feet subsiding to 1 to
3 feet. waves occasionally around 6 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus51 kbuf 190803
nshbuf
expires:202605191500;;814044

nearshore marine forecast
national weather service buffalo ny
403 am edt tue may 19 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.


loz043-044-191500-
hamlin beach to mexico bay along lake ontario
including irondequoit bay-
403 am edt tue may 19 2026

.today...southwest winds 10 to 15 knots increasing to 15 to
20 knots. mostly cloudy this morning, then becoming mostly sunny.
waves 1 to 3 feet. 
.tonight...southwest winds 10 to 15 knots becoming west 15 to
20 knots. showers with a chance of thunderstorms. waves 1 to
3 feet. 
.wednesday...west winds 15 to 20 knots. a chance of showers.
waves 2 to 4 feet building to 3 to 6 feet. waves occasionally
around 7 feet. 
.wednesday night...west winds 15 to 20 knots becoming north 10 to
15 knots. partly cloudy. waves 3 to 6 feet subsiding to 2 to
4 feet. waves occasionally around 7 feet. 
.thursday...northeast winds 5 to 15 knots becoming east less than
10 knots. partly cloudy. waves 1 to 3 feet subsiding to 1 foot or
less. 
.friday...east winds 5 to 15 knots increasing to 15 to 20 knots.
showers likely friday night. waves 1 to 3 feet building to 2 to
4 feet. 
.saturday...east winds 15 to 20 knots becoming southeast 10 to
15 knots. showers. waves 3 to 5 feet subsiding to 1 to 3 feet.
waves occasionally around 6 feet. 

winds and waves higher in and near thunderstorms.

the water temperature off rochester is 49 degrees.

$$

fzus51 kbuf 190803
nshbuf
expires:202605191500;;814045

nearshore marine forecast
national weather service buffalo ny
403 am edt tue may 19 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.


loz045-191500-
mexico bay to the saint lawrence river along lake ontario-
403 am edt tue may 19 2026

.today...southwest winds 10 to 15 knots. a chance of showers
early. waves 2 feet or less. 
.tonight...southwest winds 10 to 15 knots. showers with a chance
of thunderstorms. waves 1 to 3 feet. 
.wednesday...west winds 10 to 15 knots becoming southwest 15 to
20 knots. a chance of showers. waves 2 to 4 feet building to 3 to
6 feet. waves occasionally around 7 feet. 
.wednesday night...west winds 15 to 20 knots becoming north 10 to
15 knots. partly cloudy. waves 3 to 6 feet subsiding to 1 to
3 feet. waves occasionally around 7 feet. 
.thursday...north winds 10 to 15 knots becoming light and
variable. mainly clear, then becoming partly cloudy. waves 2 feet
or less. 
.friday...east winds 10 knots or less increasing to 10 to
15 knots. showers likely friday night. waves 1 foot or less. 
.saturday...east winds 15 to 20 knots becoming southeast. showers
likely. waves 2 feet or less. 

winds and waves higher in and near thunderstorms.

$$