Georgian Bay
Forecast
Marine Forecast
Issued 06:30 PM EDT 17 June 2025
Tonight and Wednesday.
Wind southeast 15 knots diminishing to light this evening then becoming northeast 15 Wednesday evening.
Scattered showers this evening with a risk of thunderstorms. Scattered showers Wednesday late in the day with a risk of thunderstorms. Fog patches forming this evening and dissipating Wednesday evening.
Waves
Issued 06:30 PM EDT 17 June 2025
Tonight and Wednesday.
Waves 0.5 to 1 metre subsiding to 0.5 or less near
midnight.
Extended Forecast
Issued 06:30 PM EDT 17 June 2025
Thursday
Wind northwest 20 knots diminishing to light
late in the day.
Friday
Wind light.
Saturday
Wind southeast 15 knots veering to southwest
15.
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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 17 June 2025 Tonight and Wednesday At 6:30 p.m. EDT tonight departing low 997 mb located south ofJames Bay.
By 6:30 p.m. EDT Wednesday approaching low 1003 mb located over
southern Lower Michigan.
By 6:30 p.m. EDT Wednesday ridge located on a line
northwest-southeast over northern Ontario.
Great Lakes - Lake Huron Area
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