Lake St. Clair
Forecast
Marine Forecast
Issued 06:30 PM EDT 19 April 2025
Tonight and Sunday.
Wind northwest 10 knots veering to north 10 this evening then to northeast 10 late overnight. Wind veering to southeast 10 near noon Sunday then increasing to east 15 Sunday evening.
Strong wind warning program has ended for the season.
Waves
Issued 06:30 PM EDT 19 April 2025
Tonight and Sunday.
Waves 0.5 metres or less building to 0.5 to 1 Sunday
evening.
Extended Forecast
Issued 06:30 PM EDT 19 April 2025
Monday
Wind east 15 knots increasing to southwest 20
in the afternoon.
Tuesday
Wind west 15 knots diminishing to
light.
Wednesday
Wind light.
Ice Forecast*
Issued 12:00 PM EDT 19 April 2025 Today Tonight and Sunday Ice free.
*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 19 April 2025 Today Tonight and SundayIce Coverage
Ice free.
Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 6:30 PM EDT 19 April 2025 Tonight and Sunday At 6:30 p.m. EDT tonight ridge located on a line north-south overLake Superior.
By 6:30 p.m. EDT Sunday ridge located on a line north-south over
eastern Ontario.
By 6:30 p.m. EDT Sunday approaching low 1001 mb located over Iowa.
Great Lakes - Lake Huron Area
Another Region
- Date modified: