Eastern Lake Ontario
Forecast
Marine Forecast
Issued 10:30 AM EST 14 January 2026
Today Tonight and Thursday.
Wind southwest 15 knots diminishing to west 10 this afternoon then increasing to north 15 early this evening. Wind increasing to north 25 near midnight then backing to northwest 20 early Thursday morning.
Scattered showers changing to rain or snow this evening then to snow near midnight. Scattered flurries Thursday evening. Visibility 1 mile or less in snow.
Strong wind warning program has ended for the season.
Waves
Issued 10:30 AM EST 14 January 2026
Today Tonight and Thursday.
Waves 1.5 metres subsiding to 1 near noon.
Extended Forecast
Issued 03:00 AM EST 14 January 2026
Friday
Wind light increasing to southwest 20 knots in
the morning.
Saturday
Wind southwest 25 knots diminishing to
southwest 15 late in the day.
Sunday
Wind southwest 25 knots diminishing to
southwest 15 late in the day.
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Weather Conditions
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Ice Conditions
*Ice Forecast and Warnings also apply to U.S. waters
Ice Forecasts
Issued 12:00 PM EDT 16 May 2025 Forecasts have ended for the season.Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 10:30 AM EST 14 January 2026 Today Tonight and Thursday At 10:30 a.m. EST today trough located on a line northeast-southwestover southern Ontario.
By 10:30 a.m. EST Thursday trough located on a line
northeast-southwest over New York State.
At 10:30 a.m. EST today cold front located on a line
northeast-southwest over New York State.
By 10:30 a.m. EST Thursday cold front located on a line
northeast-southwest over the Eastern Seaboard.
At 10:30 a.m. EST today ridge located on a line north-south over
southeastern Manitoba.
By 10:30 a.m. EST Thursday ridge located on a line
northeast-southwest over Lake Superior.
By 10:30 a.m. EST Thursday approaching warm front located on a
line northwest-southeast over northwestern Ontario.
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