Northern Georgian Bay
Forecast
Marine Forecast
Issued 06:30 PM EST 15 November 2025
Tonight and Sunday.
Gale warning in effect.
Wind west 25 knots increasing to northwest 35 this evening then diminishing to northwest 30 near noon Sunday.
Showers ending overnight.
Waves
Issued 06:30 PM EST 15 November 2025
Tonight and Sunday.
Waves 1.5 metres building to 2 to 3 near midnight.
Extended Forecast
Issued 06:30 PM EST 15 November 2025
Monday
Wind northwest 25 knots diminishing to
northwest 15 late in the day.
Tuesday
Wind light.
Wednesday
Wind light.
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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
Warnings (In effect)
Gale warning in effect
Northern Georgian Bay
Issued 6:30 PM EST 15 November 2025'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.
Synopsis
Technical Marine Synopsis
Issued 6:30 PM EST 15 November 2025 Tonight and Sunday At 6:30 p.m. EST tonight departing ridge located on a linenortheast-southwest over central Quebec.
At 6:30 p.m. EST tonight low 989 mb located over Georgian Bay.
By 6:30 p.m. EST Sunday low 979 mb located over Prince Edward
Island.
By 6:30 p.m. EST Sunday ridge located on a line northeast-southwest
over Minnesota.
Great Lakes - Lake Huron Area
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