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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.


lez040-041-201500-
buffalo to ripley along lake erie-
403 am edt wed may 20 2026

.today...northwest winds 10 knots or less becoming west. a chance
of showers early. waves 1 to 3 feet. 
.tonight...west winds 10 knots or less becoming northeast. mostly
cloudy. waves 1 foot or less. 
.thursday...northeast winds 10 to 15 knots. mostly sunny. waves
1 to 3 feet. 
.thursday night...northeast winds 5 to 15 knots becoming east.
partly to mostly cloudy. waves 2 feet or less. 
.friday...east winds 5 to 15 knots. a chance of showers during
the day, then showers friday night. waves 2 feet or less. 
.saturday...southeast winds 15 to 20 knots diminishing to 10 to
15 knots. showers with a chance of thunderstorms. waves 2 feet or
less. 
.sunday...south winds 10 knots or less. a chance of showers
during the day, then showers likely sunday night. waves 1 foot or
less. 

winds and waves higher in and near thunderstorms.

$$

fzus51 kbuf 200803
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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.


lez020-loz030-201500-
upper niagara river and buffalo harbor-lower niagara river-
403 am edt wed may 20 2026

.today...northwest winds 5 to 10 knots. a chance of showers
early. 
.tonight...north winds less than 10 knots. mostly cloudy. 
.thursday...northeast winds 5 to 10 knots. mostly sunny. 
.thursday night...northeast winds 10 knots or less becoming east.
partly to mostly cloudy. 
.friday...east winds 5 to 10 knots. showers likely friday night. 
.saturday...east winds 5 to 15 knots becoming southeast. showers.
.sunday...south winds 5 to 10 knots becoming light and variable.
a chance of showers. 

the water temperature off buffalo is 55 degrees.

$$

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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
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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.


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.

$$

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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.


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. 

$$

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nearshore marine forecast
national weather service cleveland oh
339 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.


lez148-149-201415-
geneva-on-the-lake to conneaut oh-conneaut oh to ripley ny-
339 am edt wed may 20 2026

.today...north winds 5 to 15 knots becoming northwest. a chance
of showers early, then a slight chance of showers. waves 1 to
3 feet. 
.tonight...northwest winds 10 to 15 knots becoming northeast.
mostly cloudy in the evening, then becoming partly cloudy. waves
1 to 3 feet. 
.thursday...northeast winds 15 to 25 knots. mostly sunny. waves 2
to 4 feet building to 3 to 5 feet. waves occasionally around 6 
feet. 
.thursday night...northeast winds 15 to 25 knots becoming east 10
to 15 knots. partly cloudy in the evening, then becoming mostly 
cloudy. waves 3 to 5 feet subsiding to 1 to 3 feet. waves 
occasionally around 6 feet. 

see lake erie open lakes forecast for friday through sunday.

the water temperature off toledo is 60 degrees, off cleveland 55
degrees, and off erie 58 degrees.

$$