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Lake Ontario

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fzus51 kbuf 102004
nshbuf
expires:202609110300;;235218

nearshore marine forecast
national weather service buffalo ny
404 pm edt thu sep 10 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.


loz045-110300-
mexico bay to the saint lawrence river along lake ontario-
404 pm edt thu sep 10 2026

...small craft advisory in effect until 2 am edt friday...

.tonight...west winds 15 to 20 knots becoming northeast and
diminishing to 5 to 10 knots. mostly cloudy this evening, then
clearing. waves 3 to 5 feet subsiding to 2 feet or less. waves
occasionally around 6 feet. 
.friday...northeast winds 10 knots or less becoming southwest.
sunny. waves 1 foot or less. 
.friday night...southwest winds 10 knots or less becoming
southeast. mainly clear. waves 1 foot or less. 
.saturday...southeast winds 5 to 15 knots becoming south. mostly
sunny. waves 2 feet or less. 
.saturday night...south winds 10 to 15 knots increasing to 15 to
20 knots. a chance of showers. waves 1 to 3 feet. 
.sunday...southwest winds 10 to 15 knots becoming northwest 15 to
20 knots. a chance of showers. waves 1 to 3 feet. 
.monday...north winds 5 to 15 knots becoming southeast 15 to
20 knots. partly cloudy. waves 1 to 3 feet. 
.tuesday...south winds 15 to 25 knots. a chance of showers during
the day, then showers likely tuesday night. waves 2 to 4 feet. 

the water temperature off cape vincent is 71 degrees.

$$
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