Latest Great Lakes Marine Forecast by KBUF
Issued 1/11/2026 4:02 PM America/New_York.
Valid through 1/11/2026 11:00 PM America/New_York.
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open lake forecast for lake ontario
national weather service buffalo ny
402 pm est sun jan 11 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 29.4 inch low over nova scotia this evening will move
northeast to newfoundland by monday while deepening to 28.3 inches.
in its wake...a 30.5 inch high over the tennessee valley will
briefly ridge across the lower lakes tonight...with its axis then
sliding east across new england monday. another 29.3 inch low will
then move from western ontario province tuesday to southern quebec
wednesday. this system will push its trailing cold front across the
lake wednesday night, with a secondary 29.4 inch coastal low then
developing along the mid-atlantic coastline wednesday night and
lingering just off the southern new england coast through thursday
night.
loz063>065-120400-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 pm est sun jan 11 2026
...gale warning in effect until 7 pm est this evening...
.tonight...northwest gales to 35 knots diminishing to 30 knots.
lake effect snow showers likely early, then a chance of snow
showers late this evening. waves 12 to 16 feet subsiding to 10 to
14 feet. waves occasionally around 20 feet.
.monday...west winds 15 to 25 knots increasing to 30 knots. a
chance of snow showers in the morning, then lake effect snow
showers likely in the afternoon. waves 5 to 9 feet building to
7 to 10 feet. waves occasionally around 13 feet.
.monday night...west winds to 30 knots diminishing to 15 to
25 knots. snow showers likely with a chance of rain showers in
the evening, then a chance of rain and snow showers overnight.
waves 6 to 10 feet subsiding to 5 to 8 feet. waves occasionally
around 13 feet.
.tuesday...southwest winds 15 to 20 knots becoming south. a
chance of snow showers in the morning. waves 3 to 6 feet
subsiding to 2 to 4 feet.
.tuesday night...south winds 15 to 25 knots becoming southwest.
rain showers likely. waves 3 to 6 feet.
.wednesday...southwest winds 15 to 25 knots becoming north. rain
showers likely during the day, then snow and rain showers likely
wednesday night. waves 3 to 6 feet.
.thursday...north winds 15 to 25 knots. snow showers likely
during the day, then a chance of snow showers thursday night.
waves 4 to 7 feet subsiding to 3 to 6 feet. waves occasionally
around 9 feet.
.friday...northwest winds 15 to 20 knots becoming southwest. a
chance of snow showers. waves 3 to 5 feet subsiding to 2 to
4 feet.
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