Lake St. Clair
Forecast
Marine Forecast
Issued 10:30 AM EDT 21 June 2025
Today Tonight and Sunday.
Wind south 15 knots veering to southwest 15 this evening then diminishing to southwest 10 Sunday evening.
Scattered showers this morning with a risk of thunderstorms.
Waves
Issued 10:30 AM EDT 21 June 2025
Today Tonight and Sunday.
Waves 0.5 metres or less building to 0.5 to 1 near noon 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 10:30 AM EDT 21 June 2025 Today Tonight and Sunday At 10:30 a.m. EDT today departing ridge located on a linenorth-south over western Quebec.
At 10:30 a.m. EDT today low 992 mb located over South Dakota.
By 10:30 a.m. EDT Sunday low 1005 mb located over southern Quebec.
Great Lakes - Lake Huron Area
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