Northern Georgian Bay
Forecast
Marine Forecast
Issued 03:00 AM EDT 20 March 2023
Today Tonight and Tuesday.
Wind west 20 knots backing to southwest 15 near noon then diminishing to northwest 10 near midnight. Wind increasing to north 15 Tuesday morning then diminishing to north 10 near noon Tuesday. Wind increasing to east 15 Tuesday evening.
Scattered flurries today tonight and Tuesday morning. Scattered flurries or scattered showers Tuesday evening.
Strong wind warning program has ended for the season.
Waves
Extended Forecast
Ice Forecast*
*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 EDT 19 March 2023 Today Tonight and MondayIce Coverage
Open water except 5 tenths new lake ice including 1 tenth thick lake
ice in the northern section. CONSOLIDATED rotten thick lake ice
along the northern shore.
Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 3:00 AM EDT 20 March 2023 Today Tonight and Tuesday At 3:00 a.m. EDT today cold front located on a line east-west overWhitefish Bay.
By 3:00 a.m. EDT Tuesday weakening trough located on a line
northeast-southwest over Lake Simcoe.
At 3:00 a.m. EDT today high 1030 mb located over Tennessee.
By 3:00 a.m. EDT Tuesday high 1031 mb located over West Virginia.
At 3:00 a.m. EDT today ridge located on a line north-south over
western Manitoba.
By 3:00 a.m. EDT Tuesday ridge located on a line northwest-southeast
over northern Ontario.
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