Eastern Lake Ontario
Forecast
Marine Forecast
Issued 03:00 AM EDT 24 May 2025
Today Tonight and Sunday.
Wind west 10 knots increasing to west 15 this morning then diminishing to northwest 10 this evening. Wind backing to west 10 overnight then increasing to west 15 Sunday morning. Wind diminishing to west 10 Sunday evening.
Scattered showers ending this evening. Scattered showers Sunday afternoon and evening with a risk of thunderstorms. Fog patches dissipating near noon.
Waves
Issued 03:00 AM EDT 24 May 2025
Today Tonight and Sunday.
Waves 0.5 metres building to 1 near noon then subsiding to 0.5
near midnight. Waves building to 1 near noon Sunday then subsiding to 0.5 or
less Sunday evening.
Extended Forecast
Issued 03:00 AM EDT 24 May 2025
Monday
Wind light.
Tuesday
Wind light.
Wednesday
Wind light increasing to east 20
knots.
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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 16 May 2025 Forecasts have ended for the season.Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 3:00 AM EDT 24 May 2025 Today Tonight and Sunday At 3:00 a.m. EDT today departing low 1007 mb located over Maine.At 3:00 a.m. EDT today ridge located on a line north-south over
northwestern Ontario.
By 3:00 a.m. EDT Sunday ridge located on a line north-south over
western Lake Superior.
Great Lakes - Lake Erie and Lake Ontario Area
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