Georgian Bay
Forecast
Marine Forecast
Issued 10:30 AM EDT 10 July 2025
Today Tonight and Friday.
Wind light becoming west 10 knots near noon then becoming light this evening. Wind becoming southeast 10 Friday evening.
Fog patches dissipating near noon.
Waves
Issued 10:30 AM EDT 10 July 2025
Today Tonight and Friday.
Waves 0.5 metres or less.
Extended Forecast
Issued 03:00 AM EDT 10 July 2025
Saturday
Wind light becoming southeast 15 knots in the
afternoon.
Sunday
Wind southwest 15 knots.
Monday
Wind light.
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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 10 July 2025 Today Tonight and Friday At 10:30 a.m. EDT today ridge located on a line northeast-southwestover northeastern Ontario.
By 10:30 a.m. EDT Friday ridge located on a line northeast-southwest
over southern Ontario.
At 10:30 a.m. EDT today trough located on a line north-south over
the Ontario - Manitoba border.
By 10:30 a.m. EDT Friday trough located on a line
northeast-southwest over Ontario.
Great Lakes - Lake Erie and Lake Ontario Area
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