Georgian Bay
Forecast
Marine Forecast
Issued 06:30 PM EDT 01 July 2025
Tonight and Wednesday.
Wind west 15 to 20 knots diminishing to west 10 late overnight then increasing to southwest 15 near noon Wednesday. Wind increasing to west 15 to 20 Wednesday evening.
Waves
Issued 06:30 PM EDT 01 July 2025
Tonight and Wednesday.
Waves 0.5 to 1 metre subsiding to 0.5 or less early Wednesday
morning then building to 0.5 to 1 Wednesday afternoon.
Extended Forecast
Issued 06:30 PM EDT 01 July 2025
Thursday
Wind northwest 15 to 20 knots becoming
northwest 15 in the morning.
Friday
Wind light.
Saturday
Wind light becoming southwest 15 knots 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 6:30 PM EDT 1 July 2025 Tonight and Wednesday At 6:30 p.m. EDT tonight departing cold front located on a linenortheast-southwest over Lake Ontario.
At 6:30 p.m. EDT tonight ridge located on a line northwest-southeast
over Minnesota.
By 6:30 p.m. EDT Wednesday ridge located on a line
northwest-southeast over Lake of the Woods.
At 6:30 p.m. EDT tonight trough located on a line north-south over
James Bay.
By 6:30 p.m. EDT Wednesday trough located on a line
northeast-southwest over Quebec.
Great Lakes - Lake Erie and Lake Ontario Area
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