Lake St. Clair
Forecast
Marine Forecast
Issued 10:30 AM EDT 22 May 2025
Today Tonight and Friday.
Strong wind warning in effect.
Wind northwest 20 knots diminishing to northwest 15 near midnight. Wind northwest 15 Friday.
Scattered showers ending Friday morning.
Waves
Issued 10:30 AM EDT 22 May 2025
Today Tonight and Friday.
Waves 0.5 metres or less building to 0.5 to 1 near noon then
subsiding to 0.5 late overnight.
Extended Forecast
Issued 03:00 AM EDT 22 May 2025
Saturday
Wind light becoming northwest 15 knots in the
afternoon then diminishing to light late in the day.
Sunday
Wind light.
Monday
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 10:30 AM EDT 22 May 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 EDT 22 May 2025 Today Tonight and Friday At 10:30 a.m. EDT today low 1001 mb located north of Lake Erie.By 10:30 a.m. EDT Friday low 1007 mb located over Lake Ontario.
At 10:30 a.m. EDT today quasi-stationary ridge located on a line
northeast-southwest over the Ontario - Manitoba border.
Great Lakes - Lake Erie and Lake Ontario Area
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