Lake St. Clair
Forecast
Marine Forecast
Issued 10:30 AM EDT 18 July 2025
Today Tonight and Saturday.
Wind east 10 knots becoming light this afternoon then becoming south 10 late overnight. Wind increasing to northwest 15 Saturday evening.
Scattered showers Saturday afternoon and evening with a risk of thunderstorms.
Waves
Issued 10:30 AM EDT 18 July 2025
Today Tonight and Saturday.
Waves less than 0.5 metres building to 0.5 or less early Saturday
morning.
Extended Forecast
Issued 03:00 AM EDT 18 July 2025
Sunday
Wind light becoming north 15 knots in the
afternoon then diminishing to light late in the day.
Monday
Wind light.
Tuesday
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 18 July 2025 Today Tonight and Saturday At 10:30 a.m. EDT today high 1022 mb located over Lake Huron.By 10:30 a.m. EDT Saturday high 1020 mb located east of New
York State.
At 10:30 a.m. EDT today trough located on a line north-south over
North Dakota.
By 10:30 a.m. EDT Saturday trough located on a line
northeast-southwest over northeastern Ontario.
Great Lakes - Lake Erie and Lake Ontario Area
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