Western Lake Ontario
Forecast
Marine Forecast
Issued 03:00 AM EDT 12 June 2025
Today Tonight and Friday.
Wind northwest 15 knots diminishing to west 10 early this morning then veering to northwest 10 this afternoon. Wind veering to northeast 10 near midnight then increasing to northeast 15 Friday morning.
Waves
Issued 03:00 AM EDT 12 June 2025
Today Tonight and Friday.
Waves 0.5 to 1 metre subsiding to 0.5 or less this morning then
building to 1 Friday morning.
Extended Forecast
Issued 03:00 AM EDT 12 June 2025
Saturday
Wind east 15 knots diminishing to light late
in the day.
Sunday
Wind light.
Monday
Wind light.
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Weather Conditions
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Ice Conditions
*Ice Forecast and Warnings also apply to U.S. waters
Ice Forecasts
Issued 12:00 PM EDT 16 May 2025 Forecasts have ended for the season.Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 3:00 AM EDT 12 June 2025 Today Tonight and Friday At 3:00 a.m. EDT today departing low 987 mb located over northernLabrador.
At 3:00 a.m. EDT today ridge located on a line northwest-southeast
over central Manitoba.
By 3:00 a.m. EDT Friday ridge located on a line northwest-southeast
over northern Ontario.
Great Lakes - Lake Erie and Lake Ontario Area
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