Marine Forecast
Issued 03:00 AM EDT 25 August 2026
Today Tonight and Wednesday.
Wind light becoming south 10 knots early this evening then
increasing to south 15 near midnight. Wind diminishing to west 10 Wednesday
afternoon then increasing to northwest 15 Wednesday evening.
Showers overnight and Wednesday with a risk of
thunderstorms.
Winds
Issued 03:00 AM EDT 25 August 2026
Today Tonight and Wednesday.
Wind light becoming south 10 knots early this evening then
increasing to south 15 near midnight. Wind diminishing to west 10 Wednesday
afternoon then increasing to northwest 15 Wednesday evening.
Waves
Issued 03:00 AM EDT 25 August 2026
Today Tonight and Wednesday.
Waves 0.5 metres or less building to 0.5 to 1 overnight then
subsiding to 0.5 or less Wednesday evening.
Weather & Visibility
Issued 03:00 AM EDT 25 August 2026
Today Tonight and Wednesday.
Showers overnight and Wednesday 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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