Marine Forecast
Issued 03:00 AM EDT 01 October 2026
Today Tonight and Friday.
Strong wind warning in effect.
Wind southwest 10 knots increasing to northwest 15 early this
morning then backing to west 15 this afternoon. Wind veering to northwest 15
near midnight then increasing to northwest 20 Friday morning. Wind diminishing
to northwest 15 Friday afternoon and to northwest 10 Friday
evening.
Fog patches dissipating early this
morning.
Winds
Issued 03:00 AM EDT 01 October 2026
Today Tonight and Friday.
Strong wind warning in effect.
Wind southwest 10 knots increasing to northwest 15 early this
morning then backing to west 15 this afternoon. Wind veering to northwest 15
near midnight then increasing to northwest 20 Friday morning. Wind diminishing
to northwest 15 Friday afternoon and to northwest 10 Friday
evening.
Waves
Issued 03:00 AM EDT 01 October 2026
Today Tonight and Friday.
Waves 0.5 metres or less building to 0.5 to 1 this
morning.
Weather & Visibility
Issued 03:00 AM EDT 01 October 2026
Today Tonight and Friday.
Fog patches dissipating early this
morning.
Ice Forecasts
Issued 12:00 PM EDT 17 May 2026 Forecasts have ended for the season.
Warnings (In effect)
Western Lake Superior
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.