Georgian Bay
Forecast
Marine Forecast
Issued 10:30 AM EDT 09 May 2025
Today Tonight and Saturday.
Wind light becoming northwest 15 knots near noon then diminishing to west 10 this evening. Wind veering to northwest 10 Saturday morning then increasing to north 15 Saturday afternoon.
Waves
Issued 10:30 AM EDT 09 May 2025
Today Tonight and Saturday.
Waves 0.5 metres building to 0.5 to 1 this
afternoon.
Extended Forecast
Issued 03:00 AM EDT 09 May 2025
Sunday
Wind light.
Monday
Wind light.
Tuesday
Wind light.
Ice Forecast*
Issued 12:00 PM EDT 9 May 2025 Today Tonight and Saturday Ice free.
*Ice Forecast and Warnings also apply to U.S. waters
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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 9 May 2025 Today Tonight and SaturdayIce Coverage
Ice free.
Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 10:30 AM EDT 9 May 2025 Today Tonight and Saturday At 10:30 a.m. EDT today ridge located on a line northeast-southwestover northeastern Ontario.
By 10:30 a.m. EDT Saturday ridge located on a line
northeast-southwest over southern Ontario.
At 10:30 a.m. EDT today cold front located on a line
northeast-southwest over northwestern Ontario.
By 10:30 a.m. EDT Saturday cold front located on a line
northeast-southwest over northeastern Ontario.
Great Lakes - Lake Erie and Lake Ontario Area
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