Northern Georgian Bay
Forecast
Marine Forecast
Issued 10:30 AM EST 16 November 2025
Today Tonight and Monday.
Strong wind warning in effect.
Wind northwest 30 knots diminishing to northwest 20 early Monday morning and to northwest 15 Monday afternoon.
Waves
Issued 10:30 AM EST 16 November 2025
Today Tonight and Monday.
Waves 2 metres subsiding to 1.5 near midnight and to 1 Monday
morning. Waves subsiding to 0.5 Monday evening.
Extended Forecast
Issued 03:00 AM EST 16 November 2025
Tuesday
Wind northwest 15 knots diminishing to light
in the morning.
Wednesday
Wind light.
Thursday
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)
Strong wind warning in effect
Northern Georgian Bay
Issued 11:02 AM EST 16 November 2025'Strong' winds of 20 to 33 knots are occurring or expected to occur in this marine area. 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 10:30 AM EST 16 November 2025 Today Tonight and Monday At 10:30 a.m. EST today low 982 mb located southeast of Maine.By 10:30 a.m. EST Monday departing low 978 mb located over the
Gulf of St. Lawrence.
At 10:30 a.m. EST today ridge located on a line northwest-southeast
over Minnesota.
By 10:30 a.m. EST Monday ridge located on a line northwest-southeast
over Wisconsin.
Great Lakes - Lake Huron Area
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