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open lake forecast for lake ontario
national weather service buffalo ny
402 pm est wed feb 4 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 30.0 inch low over the mid saint lawrence valley 
will track to the gulf of maine today. meanwhile, a 30.4 inch high 
will settle into the lower ohio valley through thursday. a strong 
cold front will then cross the lower great lakes later friday and 
friday night, with a 30.5 inch high building into the central great 
lakes and ohio valley saturday. the high pressure will then build 
east over the lake through sunday.


loz063>065-050400-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 pm est wed feb 4 2026

.tonight...west winds 15 to 20 knots becoming northwest 10 to
15 knots. a chance of snow showers early, then lake effect snow
showers likely late this evening. a chance of snow showers after
midnight. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.thursday...northwest winds 10 knots or less becoming west. a
chance of snow showers in the morning. waves 2 feet or less. 
.thursday night...southwest winds 10 knots or less becoming south
10 to 15 knots. waves 2 feet or less. 
.friday...south winds 10 to 15 knots becoming southwest. a chance
of snow showers in the morning, then snow showers likely in the
afternoon. waves 2 feet or less. 
.friday night...southwest winds 15 to 25 knots becoming northwest
to 30 knots. snow showers. waves 1 to 3 feet building to 6 to
9 feet. waves occasionally around 11 feet. 
.saturday...northwest winds to 30 knots becoming north 15 to
25 knots. snow showers likely during the day, then a chance of
snow showers saturday night. waves 6 to 9 feet subsiding to 3 to
6 feet. waves occasionally around 11 feet. 
.sunday...north winds 5 to 15 knots becoming west. waves 1 to
3 feet. 
.monday...west winds 5 to 10 knots becoming northeast. waves
2 feet or less. 

$$