Eastern Lake Ontario
Forecast
Marine Forecast
Issued 06:30 PM EDT 24 June 2025
Tonight and Wednesday.
Wind west 15 knots diminishing to northwest 10 late overnight then becoming light near noon Wednesday.
Scattered showers this evening with a risk of thunderstorms.
Waves
Issued 06:30 PM EDT 24 June 2025
Tonight and Wednesday.
Waves 0.5 to 1 metre subsiding to 0.5 or less early Wednesday
morning.
Extended Forecast
Issued 06:30 PM EDT 24 June 2025
Thursday
Wind light becoming east 15 knots in the
morning.
Friday
Wind east 15 knots veering to south
15.
Saturday
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 6:30 PM EDT 24 June 2025 Tonight and Wednesday At 6:30 p.m. EDT tonight ridge located on a line north-south overLake Superior.
By 6:30 p.m. EDT Wednesday ridge from high located on a line
north-south over Sudbury.
At 6:30 p.m. EDT tonight departing cold front located on a line
northeast-southwest over New York State.
Great Lakes - Lake Huron Area
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