Marine Forecast
Issued 03:00 AM EDT 01 October 2026
Today Tonight and Friday.
Strong wind warning in effect.
Wind southwest 15 knots veering to northwest 15 this evening
then increasing to northwest 20 near midnight. Wind diminishing to northwest 15
Friday morning then increasing to northwest 20 near noon Friday. Wind increasing
to northwest 25 Friday evening.
Periods of rain and fog patches ending Friday
morning.
Winds
Issued 03:00 AM EDT 01 October 2026
Today Tonight and Friday.
Strong wind warning in effect.
Wind southwest 15 knots veering to northwest 15 this evening
then increasing to northwest 20 near midnight. Wind diminishing to northwest 15
Friday morning then increasing to northwest 20 near noon Friday. Wind increasing
to northwest 25 Friday evening.
Waves
Issued 03:00 AM EDT 01 October 2026
Today Tonight and Friday.
Waves 1 to 1.5 metres subsiding to 0.5 to 1 early this morning
then building to 1 to 1.5 near midnight. Waves building to 2 Friday
afternoon.
Weather & Visibility
Issued 03:00 AM EDT 01 October 2026
Today Tonight and Friday.
Periods of rain and fog patches ending Friday
morning.
Ice Forecasts
Lake Huron
Issued 12:00 PM EDT 17 May 2026 Forecasts have ended for the season.Ice Forecasts
Lake Michigan
Issued 12:00 PM EDT 17 May 2026 Forecasts have ended for the season.
Warnings (In effect)
Southern Lake Huron
Issued 03:00 AM EDT 01 October 2026'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.
Technical Marine Synopsis
Issued 3:00 AM EDT 1 October 2026 Today Tonight and Friday At 3:00 a.m. EDT today quasi-stationary ridge located on a line
northeast-southwest over Virginia.
At 3:00 a.m. EDT today trough located on a line northeast-southwest
over Lake Nipigon.
By 3:00 a.m. EDT Friday trough located on a line northeast-southwest
over southern Ontario.