Lake St. Clair
Forecast
Marine Forecast
Issued 10:30 AM EDT 20 March 2023
Today Tonight and Tuesday.
Wind southwest 20 knots diminishing to southwest 15 early this evening and to southwest 10 late overnight. Wind backing to south 10 near noon Tuesday.
Strong wind warning program has ended for the season.
Waves
Issued 10:30 AM EDT 20 March 2023
Today Tonight and Tuesday.
Waves 0.5 to 1 metre subsiding to 0.5 or less this
evening.
Extended Forecast
Issued 03:00 AM EDT 20 March 2023
Wednesday
Wind light becoming south 15 knots in the
afternoon.
Thursday
Wind southwest 20 knots diminishing to north
15 late in the day.
Friday
Wind light.
Ice Forecast*
Issued 12:00 PM EDT 20 March 2023 Today Tonight and Tuesday Open water except 2 tenths new lake ice in the eastern section.
*Ice Forecast and Warnings also apply to U.S. waters
Stay connected
Weather Conditions
Zoom-in to make a selection

Legend:


Ice Conditions
*Ice Forecast and Warnings also apply to U.S. waters
Ice Forecasts
Issued 12:00 PM EDT 20 March 2023 Today Tonight and TuesdayIce Coverage
Open water except 2 tenths new lake ice in the eastern section.
Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 10:30 AM EDT 20 March 2023 Today Tonight and Tuesday At 10:30 a.m. EDT today cold front located on a line east-westover North Channel.
By 10:30 a.m. EDT Tuesday weakening trough located on a line
northeast-southwest over southern Lake Huron.
At 10:30 a.m. EDT today quasi-stationary ridge located on a line
northeast-southwest over Kentucky.
At 10:30 a.m. EDT today ridge located on a line northwest-southeast
over eastern Manitoba.
By 10:30 a.m. EDT Tuesday ridge located on a line
northwest-southeast over northern Ontario.
Great Lakes - Lake Huron Area
Another Region
What we are doing
Weather Forecasts
Weather Alerts
Weather Resources
- Date modified: