Western Lake Ontario
Forecast
Marine Forecast
Issued 03:00 AM EDT 20 March 2023
Today Tonight and Tuesday.
Wind southwest 25 knots diminishing to southwest 15 Tuesday morning and to variable 10 near noon Tuesday.
Scattered showers overnight.
Strong wind warning program has ended for the season.
Waves
Issued 03:00 AM EDT 20 March 2023
Today Tonight and Tuesday.
Waves 2 metres subsiding to 1 to 1.5 early this evening and to
0.5 to 1 Tuesday morning. Waves subsiding to 0.5 or less Tuesday
afternoon.
Extended Forecast
Issued 03:00 AM EDT 20 March 2023
Wednesday
Wind light.
Thursday
Wind light increasing to southwest 25
knots.
Friday
Wind west 20 knots diminishing to
light.
Ice Forecast*
Issued 12:00 PM EDT 19 March 2023 Today Tonight and Monday Open water.
*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.
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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