Western Lake Ontario
Forecast
Marine Forecast
Issued 06:30 PM EDT 03 April 2025
Tonight and Friday.
Wind west 20 knots veering to northwest 15 this evening then diminishing to northwest 10 late overnight. Wind becoming light near noon Friday then becoming east 15 Friday evening.
Strong wind warning program has ended for the season.
Waves
Issued 06:30 PM EDT 03 April 2025
Tonight and Friday.
Waves 1 metre subsiding to 0.5 or less early Friday
morning.
Extended Forecast
Issued 06:30 PM EDT 03 April 2025
Saturday
Wind east 15 knots increasing to east 20 in
the morning then diminishing to variable 15 late in the day.
Sunday
Wind west 20 knots.
Monday
Wind light increasing to west 30 knots late in
the day.
Ice Forecast*
Issued 12:00 PM EDT 3 April 2025 Today Tonight and Friday Open water.
*Ice Forecast and Warnings also apply to U.S. waters
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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 3 April 2025 Today Tonight and FridayIce Coverage
Open water.
Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 3:00 AM EDT 4 April 2025 Today Tonight and Saturday At 3:00 a.m. EDT today departing low 1003 mb located over centralQuebec.
At 3:00 a.m. EDT today high 1025 mb located over Wisconsin.
By 3:00 a.m. EDT Saturday high 1030 mb located over southern Quebec.
By 3:00 a.m. EDT Saturday approaching low 1010 mb located over
Illinois.
Great Lakes - Lake Huron Area
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