Georgian Bay
Forecast
Marine Forecast
Issued 06:30 PM EDT 22 May 2025
Tonight and Friday.
Wind north 15 knots diminishing to variable 10 early Friday morning then becoming northwest 10 Friday afternoon.
Periods of rain and fog banks.
Waves
Issued 06:30 PM EDT 22 May 2025
Tonight and Friday.
Waves 0.5 to 1 metre subsiding to 0.5 or less Friday
morning.
Extended Forecast
Issued 06:30 PM EDT 22 May 2025
Saturday
Wind northwest 15 knots.
Sunday
Wind northwest 15 knots diminishing to
light.
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 6:30 PM EDT 22 May 2025 Tonight and Friday At 6:30 p.m. EDT tonight low 1002 mb located west of Lake Ontario.By 6:30 p.m. EDT Friday low 1009 mb located east of Lake Ontario.
At 6:30 p.m. EDT tonight quasi-stationary ridge located on a line
northeast-southwest over northwestern Ontario.
Great Lakes - Lake Erie and Lake Ontario Area
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