Eastern Lake Ontario
Forecast
Marine Forecast
Issued 03:00 AM EDT 24 March 2025
Today Tonight and Tuesday.
Wind southeast 20 knots veering to southwest 15 this morning then increasing to southwest 25 this afternoon. Wind veering to west 25 near noon Tuesday.
Rain or snow changing to scattered showers early this morning then to scattered flurries this evening.
Strong wind warning program has ended for the season.
Waves
Issued 03:00 AM EDT 24 March 2025
Today Tonight and Tuesday.
Waves 1 to 1.5 metres building to 2 this afternoon.
Extended Forecast
Issued 03:00 AM EDT 24 March 2025
Wednesday
Wind light increasing to west 20 knots in
the afternoon.
Thursday
Wind northwest 20 knots backing to southwest
20 late in the day.
Friday
Wind west 20 knots diminishing to
light.
Ice Forecast*
Issued 12:00 PM EDT 23 March 2025 Today Tonight and Monday Open water except 5 tenths medium lake ice including 2 tenths thick
lake ice along parts of the shores in the extreme northeastern
section.
*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 23 March 2025 Today Tonight and MondayIce Coverage
Open water except 5 tenths medium lake ice including 2 tenths thick
lake ice along parts of the shores in the extreme northeastern
section.
Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 3:00 AM EDT 24 March 2025 Today Tonight and Tuesday At 3:00 a.m. EDT today departing ridge located on a linenorthwest-southeast over Maine.
At 3:00 a.m. EDT today low 996 mb located over northern Lake
Michigan.
By 3:00 a.m. EDT Tuesday low 1000 mb located over southern Quebec.
By 3:00 a.m. EDT Tuesday ridge located on a line northeast-southwest
over northwestern Ontario.
Great Lakes - Lake Erie and Lake Ontario Area
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