Lake St. Clair
Forecast
Marine Forecast
Issued 03:00 AM EDT 13 April 2021
Today Tonight and Wednesday.
Wind light becoming southwest 10 knots this morning then veering to west 10 near midnight. Wind becoming light overnight then becoming southwest 15 near noon Wednesday. Wind veering to northwest 15 Wednesday evening.
Strong wind warning program has ended for the season.
Waves
Issued 03:00 AM EDT 13 April 2021
Today Tonight and Wednesday.
Waves one half metre or less.
Extended Forecast
Issued 03:00 AM EDT 13 April 2021
Thursday
Wind northwest 15 knots.
Friday
Wind northwest 15 knots veering to northeast
15.
Saturday
Wind northeast 15 knots diminishing to
light.
Ice Forecast*
Issued 12:00 PM EDT 12 April 2021 Today Tonight and Tuesday Open water.
*Ice Forecast and Warnings also apply to U.S. waters
Stay connected
Weather Conditions
Zoom-in to make a selection

Ice Conditions
*Ice Forecast and Warnings also apply to U.S. waters
Ice Forecasts
Issued 12:00 PM EDT 12 April 2021 Today Tonight and TuesdayIce Coverage
Open water.
Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 3:00 AM EDT 13 April 2021 Today Tonight and Wednesday At 3:00 a.m. EDT today low 1007 mb located over western LakeSuperior.
By 3:00 a.m. EDT Wednesday weakening low 1016 mb located near
Thunder Bay.
At 3:00 a.m. EDT today ridge located on a line northeast-southwest
over northern Saskatchewan.
By 3:00 a.m. EDT Wednesday ridge located on a line
northeast-southwest over northern Manitoba.
Great Lakes - Lake Huron Area
Another Region
What we are doing
Weather Forecasts
Weather Alerts
Weather Resources
- Date modified: