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open lake forecast for lake ontario
national weather service buffalo ny
402 am 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>065-041600-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 am est wed feb 4 2026

.today...northwest winds 10 to 15 knots becoming west. a chance
of snow showers. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.tonight...west winds 5 to 15 knots becoming northwest. a chance
of snow showers early, then snow showers likely. a chance of snow
showers late. waves 1 to 3 feet. 
.thursday...northwest winds 10 knots or less becoming west. lake
effect snow showers likely. waves 2 feet or less. 
.thursday night...southwest winds 5 to 15 knots becoming south.
waves 2 feet or less. 
.friday...south winds 15 to 20 knots becoming northwest and
increasing to 35 knot gales. snow showers. waves 2 feet or less
building to 10 to 14 feet. waves occasionally around 18 feet. 
.saturday...northwest winds to 30 knots becoming north 15 to
25 knots. snow showers likely during the day. waves 9 to 12 feet
subsiding to 3 to 5 feet. waves occasionally around 15 feet. 
.sunday...north winds 10 to 15 knots. waves 1 to 3 feet. 

$$