Eastern Lake Ontario
Forecast
Marine Forecast
Issued 03:00 AM EDT 13 May 2025
Today Tonight and Wednesday.
Wind east 10 knots increasing to southeast 15 early this evening then backing to east 15 Wednesday morning.
Scattered showers overnight and Wednesday. Fog patches forming overnight and dissipating near noon Wednesday.
Waves
Issued 03:00 AM EDT 13 May 2025
Today Tonight and Wednesday.
Waves 0.5 metres or less building to 0.5 to 1 this
evening.
Extended Forecast
Issued 03:00 AM EDT 13 May 2025
Thursday
Wind light.
Friday
Wind light.
Saturday
Wind light becoming southwest 15
knots.
Ice Forecast*
Issued 12:00 PM EDT 12 May 2025 Today Tonight and Tuesday 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 12 May 2025 Today Tonight and TuesdayIce Coverage
Ice free.
Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 3:00 AM EDT 13 May 2025 Today Tonight and Wednesday At 3:00 a.m. EDT today departing ridge located on a line north-southover Quebec.
At 3:00 a.m. EDT today trough located on a line northeast-southwest
over Manitoba.
By 3:00 a.m. EDT Wednesday trough located on a line
northeast-southwest over the Ontario - Manitoba border.
Great Lakes - Lake Huron Area
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