Western Lake Ontario
Forecast
Marine Forecast
Issued 03:00 AM EDT 24 June 2025
Today Tonight and Wednesday.
Wind southwest 15 knots diminishing to southwest 10 this morning then increasing to northwest 15 early this evening. Wind diminishing to northwest 10 near midnight then backing to southwest 10 Wednesday morning. Wind becoming light Wednesday evening.
Scattered showers this afternoon and tonight with a risk of thunderstorms.
Waves
Issued 03:00 AM EDT 24 June 2025
Today Tonight and Wednesday.
Waves 0.5 metres.
Extended Forecast
Issued 03:00 AM EDT 24 June 2025
Thursday
Wind light becoming east 15 knots in the
morning.
Friday
Wind east 15 knots veering to south
15.
Saturday
Wind southwest 15 knots diminishing to light
late in the day.
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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 June 2025 Today Tonight and Wednesday At 3:00 a.m. EDT today quasi-stationary ridge from 1022 mb highlocated from Tennessee to Lake Ontario.
At 3:00 a.m. EDT today cold front located over Lake Huron.
By 3:00 a.m. EDT Wednesday cold front located over Lake Erie.
At 3:00 a.m. EDT today high 1023 mb located over North Dakota.
By 3:00 a.m. EDT Wednesday high 1024 mb located over Lake Superior.
Great Lakes - Lake Erie and Lake Ontario Area
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