Marine Forecast
Issued 03:00 AM EST 13 November 2026
Today Tonight and Saturday.
Strong wind warning in effect.
Wind north 20 knots diminishing to north 15 early this morning
then backing to northwest 15 overnight. Wind northwest 15
Saturday.
Winds
Issued 03:00 AM EST 13 November 2026
Today Tonight and Saturday.
Strong wind warning in effect.
Wind north 20 knots diminishing to north 15 early this morning
then backing to northwest 15 overnight. Wind northwest 15
Saturday.
Waves
Issued 03:00 AM EST 13 November 2026
Today Tonight and Saturday.
Waves 1 to 1.5 metres subsiding to 0.5 to 1 this
morning.
Ice Forecasts
Issued 12:00 PM EDT 17 May 2026 Forecasts have ended for the season.
Warnings (In effect)
Western Lake Ontario
Issued 03:00 AM EST 13 November 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 EST 13 November 2026 Today Tonight and Saturday At 3:00 a.m. EST today departing low 994 mb located east of New
England.
At 3:00 a.m. EST today quasi-stationary ridge located on a line
north-south over northwestern Ontario.