Lake St. Clair
Forecast
Marine Forecast
Issued 10:30 AM EDT 23 April 2025
Today Tonight and Thursday.
Wind variable 10 knots today tonight and Thursday.
Scattered showers this evening with a risk of thunderstorms.
Strong wind warning program has ended for the season.
Waves
Issued 10:30 AM EDT 23 April 2025
Today Tonight and Thursday.
Waves 0.5 metres or less.
Extended Forecast
Issued 03:00 AM EDT 23 April 2025
Friday
Wind light becoming south 15 knots in the
afternoon.
Saturday
Wind north 20 knots.
Sunday
Wind light.
Ice Forecast*
Issued 12:00 PM EDT 23 April 2025 Today Tonight and Thursday Ice free.
*Ice Forecast and Warnings also apply to U.S. waters
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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 23 April 2025 Today Tonight and ThursdayIce Coverage
Ice free.
Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 3:00 AM EDT 23 April 2025 Today Tonight and Thursday At 3:00 a.m. EDT today departing low 1012 mb located over centralQuebec.
At 3:00 a.m. EDT today ridge located from Sudbury to Lake Ontario.
By 3:00 a.m. EDT Thursday ridge located from James Bay to the
St. Lawrence River.
At 3:00 a.m. EDT today weakening low 1012 mb located near Lake of
the Woods.
By 3:00 a.m. EDT Thursday weakening low 1020 mb located north of
Lake Superior.
Great Lakes - Lake Erie and Lake Ontario Area
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