Georgian Bay
Forecast
Marine Forecast
Issued 03:38 AM EDT 19 July 2025
Today Tonight and Sunday.
Wind south 10 knots increasing to southwest 15 near noon then diminishing to variable 10 early this evening. Wind becoming northwest 10 near midnight then increasing to northwest 15 Sunday morning. Wind diminishing to northeast 10 Sunday evening.
Scattered showers this afternoon and this evening with a risk of thunderstorms.
Waves
Issued 03:37 AM EDT 19 July 2025
Today Tonight and Sunday.
Waves 0.5 metres or less building to 0.5 to 1 this
afternoon.
Extended Forecast
Issued 03:36 AM EDT 19 July 2025
Monday
Wind light.
Tuesday
Wind light.
Wednesday
Wind light becoming south 15 knots.
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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 3:00 AM EDT 19 July 2025 Today Tonight and Sunday At 3:00 a.m. EDT today departing high 1022 mb located over easternNew York State.
At 3:00 a.m. EDT today trough located on a line north-south
over Duluth.
By 3:00 a.m. EDT Sunday departing trough located on a line
northeast-southwest over southeastern Quebec.
By 3:00 a.m. EDT Sunday approaching high 1018 mb located over
northern Minnesota.
Great Lakes - Lake Erie and Lake Ontario Area
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