Western Lake Ontario
Forecast
Marine Forecast
Issued 03:00 AM EDT 14 July 2025
Today Tonight and Tuesday.
Wind light becoming variable 10 knots early this evening then becoming light overnight. Wind light Tuesday.
Waves
Issued 03:00 AM EDT 14 July 2025
Today Tonight and Tuesday.
Waves 0.5 metres or less.
Extended Forecast
Issued 03:00 AM EDT 14 July 2025
Wednesday
Wind light.
Thursday
Wind light becoming southwest 15
knots.
Friday
Wind west 15 knots veering to north
15.
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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 10:30 AM EDT 14 July 2025 Today Tonight and Tuesday At 10:30 a.m. EDT today departing trough from 985 mb low locatedfrom James Bay to Lake Nipigon.
At 10:30 a.m. EDT today ridge located on a line northeast-southwest
over Michigan.
By 10:30 a.m. EDT Tuesday ridge located on a line
northeast-southwest over southern Ontario.
By 10:30 a.m. EDT Tuesday approaching trough located on a line
northeast-southwest over northwestern Ontario.
Great Lakes - Lake Erie and Lake Ontario Area
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