Georgian Bay
Forecast
Marine Forecast
Issued 06:30 PM EDT 19 June 2025
Tonight and Friday.
Wind northwest 15 knots diminishing to northwest 10 this evening then becoming light late overnight. Wind light Friday.
Scattered showers this evening with a risk of thunderstorms. Fog patches.
Waves
Issued 06:30 PM EDT 19 June 2025
Tonight and Friday.
Waves 0.5 to 1 metre subsiding to 0.5 or less near
midnight.
Extended Forecast
Issued 06:30 PM EDT 19 June 2025
Saturday
Wind light increasing to southwest 20 knots
in the afternoon.
Sunday
Wind southwest 15 knots.
Monday
Wind southwest 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 6:30 PM EDT 19 June 2025 Tonight and Friday At 6:30 p.m. EDT tonight low 998 mb located west of Ottawa.By 6:30 p.m. EDT Friday low 993 mb located over the Gulf of
St. Lawrence.
At 6:30 p.m. EDT tonight ridge located on a line northeast-southwest
over James Bay.
By 6:30 p.m. EDT Friday weakening ridge located on a line
north-south over James Bay.
By 6:30 p.m. EDT Friday approaching trough located on a line
northeast-southwest over Manitoba.
Great Lakes - Lake Huron Area
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