Lake St. Clair
Forecast
Marine Forecast
Issued 06:30 PM EST 15 November 2025
Tonight and Sunday.
Strong wind warning in effect.
Wind northwest 20 knots increasing to northwest 25 early Sunday morning.
Waves
Issued 06:30 PM EST 15 November 2025
Tonight and Sunday.
Waves 0.5 metres or less building to 0.5 to 1 late this
evening.
Extended Forecast
Issued 06:30 PM EST 15 November 2025
Monday
Wind northwest 20 knots diminishing to light in
the afternoon.
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)
Strong wind warning in effect
Lake St. Clair
Issued 6:30 PM EST 15 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 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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