Western Lake Ontario
Forecast
Marine Forecast
Issued 10:30 AM EST 11 December 2023
Today Tonight and Tuesday.
Wind northwest 25 knots backing to west 20 this evening then to southwest 25 after midnight. Wind increasing to southwest 30 near noon Tuesday then veering to west 25 Tuesday evening.
Scattered showers Tuesday late in the day.
Strong wind warning program has ended for the season.
Waves
Issued 10:30 AM EST 11 December 2023
Today Tonight and Tuesday.
Waves 1 metre building to 2 early Tuesday morning.
Extended Forecast
Issued 03:00 AM EST 11 December 2023
Wednesday
Wind west 25 knots.
Thursday
Wind light increasing to southwest 25 knots
late in the day.
Friday
Wind southwest 25 knots.
Ice Forecast*
Issued 12:00 PM EST 11 December 2023 Today Tonight and Tuesday Ice free.
*Ice Forecast and Warnings also apply to U.S. waters
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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 EST 11 December 2023 Today Tonight and TuesdayIce Coverage
Ice free.
Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 10:30 AM EST 11 December 2023 Today Tonight and Tuesday At 10:30 a.m. EST today departing low 997 mb located east ofNew England.
At 10:30 a.m. EST today ridge located on a line north-south over
eastern Lake Superior.
By 10:30 a.m. EST Tuesday ridge located on a line
northeast-southwest over New England.
At 10:30 a.m. EST today low 998 mb located over northern Manitoba.
By 10:30 a.m. EST Tuesday low 998 mb located over southwestern
Hudson Bay.
Great Lakes - Lake Huron Area
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