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


loz042-201500-
niagara river to hamlin beach along lake ontario-
403 am edt wed may 20 2026

.today...west winds 15 to 20 knots becoming northwest 10 to
15 knots. partly to mostly sunny. waves 2 to 4 feet subsiding to
1 to 3 feet. 
.tonight...northwest winds 5 to 15 knots becoming northeast.
mostly cloudy. waves 1 to 3 feet. 
.thursday...northeast winds 5 to 15 knots becoming east. mostly
sunny. waves 1 to 2 feet. 
.thursday night...east winds less than 10 knots. partly cloudy.
waves 1 foot or less. 
.friday...east winds 15 to 20 knots. showers likely friday night.
waves 1 to 3 feet building to 2 to 4 feet, then subsiding to 1 to
3 feet. 
.saturday...east winds 15 to 25 knots becoming southeast. showers
during the day, then showers likely saturday night. waves 3 to
6 feet subsiding to 2 to 4 feet. waves occasionally around
7 feet. 
.sunday...southeast winds 5 to 15 knots becoming south. showers
likely during the day, then a chance of showers sunday night.
waves 1 to 3 feet subsiding to 1 foot or less. 

$$

fzus51 kbuf 200803
nshbuf
expires:202605201500;;336867

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


loz043-044-201500-
hamlin beach to mexico bay along lake ontario
including irondequoit bay-
403 am edt wed may 20 2026

...small craft advisory in effect from 8 am edt this morning
through this evening...

.today...west winds 15 to 20 knots. mostly cloudy this morning,
then becoming mostly sunny. waves 2 to 4 feet building to 3 to
6 feet. waves occasionally around 7 feet. 
.tonight...west winds 15 to 20 knots becoming northeast 10 to
15 knots. mostly 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 north. mostly
sunny. waves 1 to 3 feet. 
.thursday night...northwest winds less than 10 knots. 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. 
.saturday...southeast winds 15 to 25 knots. showers. waves 3 to
6 feet subsiding to 2 to 4 feet. waves occasionally around
7 feet. 
.sunday...southeast winds 15 to 20 knots diminishing to 10 to
15 knots. showers likely. waves 2 to 4 feet subsiding to 1 to
3 feet. 

the water temperature off rochester is 50 degrees.

$$

fzus51 kbuf 200803
nshbuf
expires:202605201500;;336868

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


loz045-201500-
mexico bay to the saint lawrence river along lake ontario-
403 am edt wed may 20 2026

...small craft advisory in effect from 8 am edt this morning
through this evening...

.today...west winds 10 to 15 knots increasing to 15 to 20 knots.
mostly cloudy this morning, then becoming mostly sunny. waves
2 to 4 feet building to 3 to 6 feet. waves occasionally around
7 feet. 
.tonight...west winds 15 to 20 knots becoming north. partly to
mostly cloudy. waves 3 to 5 feet subsiding to 1 to 3 feet. waves
occasionally around 6 feet. 
.thursday...northeast winds 15 to 20 knots becoming north 5 to
15 knots. mostly sunny. waves 2 feet or less. 
.thursday night...northwest winds less than 10 knots becoming
east. mainly clear in the evening, then becoming partly cloudy.
waves 1 foot or less. 
.friday...east winds 10 knots or less. a chance of showers friday
night. waves 1 foot or less. 
.saturday...east winds 10 to 15 knots becoming southeast and
increasing to 15 to 25 knots. showers likely. waves 1 to 3 feet
building to 2 to 4 feet. 
.sunday...southeast winds 15 to 25 knots becoming south. showers
likely. waves 2 to 4 feet subsiding to 1 to 3 feet. 

$$