Eastern Lake Ontario
Forecast
Marine Forecast
Issued 10:30 AM EDT 31 March 2025
Today Tonight and Tuesday.
Wind southwest 20 knots veering to west 25 near noon then to northwest 20 this evening. Wind diminishing to northwest 15 late overnight then backing to west 15 near noon Tuesday. Wind becoming northeast 15 Tuesday evening.
Showers changing to scattered flurries this afternoon and ending this evening. Fog patches dissipating near noon.
Strong wind warning program has ended for the season.
Waves
Issued 10:30 AM EDT 31 March 2025
Today Tonight and Tuesday.
Waves 1 to 1.5 metres subsiding to 0.5 to 1 early Tuesday
morning.
Extended Forecast
Issued 03:00 AM EDT 31 March 2025
Wednesday
Wind northeast 15 knots increasing to east
25 in the afternoon.
Thursday
Wind southwest 25 knots diminishing to west
15 late in the day.
Friday
Wind light.
Ice Forecast*
Issued 12:00 PM EDT 31 March 2025 Today Tonight and Tuesday 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 31 March 2025 Today Tonight and TuesdayIce Coverage
Open water.
Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 10:30 AM EDT 31 March 2025 Today Tonight and Tuesday At 10:30 a.m. EDT today quasi-stationary ridge located on a lineeast-west over Hudson Bay.
At 10:30 a.m. EDT today low 996 mb located over southwestern Quebec.
By 10:30 a.m. EDT Tuesday low 994 mb located over the Gulf of
St. Lawrence.
At 10:30 a.m. EDT today ridge located on a line north-south over
Manitoba.
By 10:30 a.m. EDT Tuesday ridge located on a line north-south over
Lake Superior.
Great Lakes - Lake Huron Area
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