Marine Forecast
Issued 10:30 AM EDT 16 August 2025
Today Tonight and Sunday.
Wind light becoming south 10 knots early this evening then
increasing to west 15 after midnight. Wind diminishing to northwest 10 Sunday
morning then increasing to northwest 15 Sunday afternoon. Wind increasing to
north 15 to 20 Sunday evening.
Scattered showers this afternoon tonight and Sunday with a
risk of thunderstorms.
Winds
Issued 10:30 AM EDT 16 August 2025
Today Tonight and Sunday.
Wind light becoming south 10 knots early this evening then
increasing to west 15 after midnight. Wind diminishing to northwest 10 Sunday
morning then increasing to northwest 15 Sunday afternoon. Wind increasing to
north 15 to 20 Sunday evening.
Waves
Issued 10:30 AM EDT 16 August 2025
Today Tonight and Sunday.
Waves 0.5 metres or less building to 0.5 to 1 early Sunday
morning then subsiding to 0.5 or less near noon Sunday. Waves building to 0.5 to
1 Sunday evening.
Weather & Visibility
Issued 10:30 AM EDT 16 August 2025
Today Tonight and Sunday.
Scattered showers this afternoon tonight and Sunday with a
risk of thunderstorms.
Ice ForecastsIssued 12:00 PM EDT 16 May 2025 Forecasts have ended for the season.
No watches or warnings in effect.
Technical Marine SynopsisIssued 10:30 AM EDT 16 August 2025 Today Tonight and Sunday At 10:30 a.m. EDT today departing ridge located on a line northeast-southwest over Maine.
At 10:30 a.m. EDT today cold front located on a line northeast-southwest over North Channel. By 10:30 a.m. EDT Sunday cold front located on a line northeast-southwest over southern Ontario.
At 10:30 a.m. EDT today ridge located on a line northwest-southeast over northwestern Ontario. By 10:30 a.m. EDT Sunday ridge located on a line northwest-southeast over northern Ontario.
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