Marine Forecast
Issued 03:00 AM EDT 25 August 2026
Today Tonight and Wednesday.
Wind northwest 15 knots diminishing to northwest 10 early this
morning then backing to southwest 10 early this evening. Wind backing to south
10 overnight then increasing to south 15 Wednesday evening.
Scattered showers Wednesday afternoon and evening with a
risk of thunderstorms.
Winds
Issued 03:00 AM EDT 25 August 2026
Today Tonight and Wednesday.
Wind northwest 15 knots diminishing to northwest 10 early this
morning then backing to southwest 10 early this evening. Wind backing to south
10 overnight then increasing to south 15 Wednesday evening.
Waves
Issued 03:00 AM EDT 25 August 2026
Today Tonight and Wednesday.
Waves 0.5 to 1 metre subsiding to 0.5 or less this morning then
building to 0.5 to 1 Wednesday evening.
Weather & Visibility
Issued 03:00 AM EDT 25 August 2026
Today Tonight and Wednesday.
Scattered showers Wednesday afternoon and evening with a
risk of thunderstorms.
Ice ForecastsIssued 12:00 PM EDT 17 May 2026 Forecasts have ended for the season.
No watches or warnings in effect.
Technical Marine SynopsisIssued 3:00 AM EDT 25 August 2026 Today Tonight and Wednesday At 3:00 a.m. EDT today trough located on a line northeast-southwest over eastern Ontario. By 3:00 a.m. EDT Wednesday departing trough located on a line north-south over the Eastern Seaboard.
At 3:00 a.m. EDT today ridge located on a line north-south over Lake Superior. By 3:00 a.m. EDT Wednesday ridge located on a line north-south over Lake of the Woods.
At 3:00 a.m. EDT today trough located on a line north-south over the Ontario - Manitoba border. By 3:00 a.m. EDT Wednesday trough located on a line north-south over western Lake Superior.
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