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Lake Ontario

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open lake forecast for lake ontario
national weather service buffalo ny
1002 am est tue feb 3 2026

for waters beyond five nautical miles of shore on lake ontario

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.

.synopsis...a ridge averaging 30.2 inches across the lower great 
lakes will move to the east coast today. a 29.9 inch low just north 
of georgian bay this morning will move to the lower saint lawrence 
valley by wednesday. a 30.4 inch high will then settle into the 
lower ohio valley wednesday through thursday. a strong cold front 
will then cross the lower great lakes friday, with a 30.6 inch high 
building into the central great lakes and ohio valley saturday.


loz063>065-032200-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 am est tue feb 3 2026

.rest of today...southwest winds 15 to 20 knots becoming west.
snow showers likely. waves 3 to 6 feet. 
.tonight...west winds 15 to 20 knots becoming northwest. lake
effect snow showers in the evening, then a chance of snow showers
after midnight. waves 3 to 5 feet subsiding to 2 to 4 feet. 
.wednesday...northwest winds 10 to 15 knots becoming west. a
chance of snow showers. waves 2 to 4 feet subsiding to 1 to
3 feet. 
.wednesday night...west winds 10 to 15 knots becoming northwest.
a chance of snow showers. waves 1 to 3 feet. 
.thursday...northwest winds 5 to 10 knots becoming southwest and
increasing to 15 to 20 knots. snow showers likely during the day,
then a chance of snow showers thursday night. waves 1 to 3 feet
building to 3 to 5 feet. 
.friday...southwest winds 15 to 25 knots becoming northwest to
30 knots. snow showers. waves 3 to 5 feet building to 9 to
12 feet. waves occasionally around 15 feet. 
.saturday...northwest winds to 30 knots diminishing to 15 to
25 knots. waves 6 to 10 feet subsiding to 4 to 7 feet. waves
occasionally around 13 feet. 

$$
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