Eastern Lake Ontario
Forecast
Marine Forecast
Issued 06:30 PM EDT 19 April 2025
Tonight and Sunday.
Wind west 20 knots veering to northwest 15 late overnight then diminishing to variable 10 Sunday morning. Wind becoming east 10 Sunday evening.
Strong wind warning program has ended for the season.
Waves
Issued 06:30 PM EDT 19 April 2025
Tonight and Sunday.
Waves 1.5 metres subsiding to 0.5 to 1 early Sunday morning and
to 0.5 or less near noon Sunday.
Extended Forecast
Issued 06:30 PM EDT 19 April 2025
Monday
Wind east 15 knots increasing to east 20 in the
morning then becoming southwest 20 late in the day.
Tuesday
Wind west 25 knots diminishing to northwest 15
late in the day.
Wednesday
Wind light.
Ice Forecast*
Issued 12:00 PM EDT 19 April 2025 Today Tonight and Sunday Ice free.
*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 19 April 2025 Today Tonight and SundayIce Coverage
Ice free.
Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 6:30 PM EDT 19 April 2025 Tonight and Sunday At 6:30 p.m. EDT tonight ridge located on a line north-south overLake Superior.
By 6:30 p.m. EDT Sunday ridge located on a line north-south over
eastern Ontario.
By 6:30 p.m. EDT Sunday approaching low 1001 mb located over Iowa.
Great Lakes - Lake Huron Area
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