Lake St. Clair
Forecast
Marine Forecast
Issued 03:00 AM EDT 21 June 2025
Today Tonight and Sunday.
Wind south 10 knots increasing to south 15 this afternoon then veering to southwest 15 this evening. Wind diminishing to southwest 10 Sunday evening.
Scattered showers ending near noon with a risk of thunderstorms.
Waves
Issued 03:00 AM EDT 21 June 2025
Today Tonight and Sunday.
Waves 0.5 metres or less building to 0.5 to 1 early this evening
then subsiding to 0.5 or less Sunday evening.
Extended Forecast
Issued 03:00 AM EDT 21 June 2025
Monday
Wind southwest 15 knots.
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
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 3:00 AM EDT 21 June 2025 Today Tonight and Sunday At 3:00 a.m. EDT today departing ridge located on a line north-southover western Quebec.
At 3:00 a.m. EDT today low 992 mb located over South Dakota.
By 3:00 a.m. EDT Sunday low 1001 mb located over southern Quebec.
Great Lakes - Lake Huron Area
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