Marine Forecast
Issued 03:00 AM EDT 27 July 2025
Today Tonight and Monday.
Wind southwest 15 knots diminishing to southwest 10 this morning
then becoming light overnight. Wind becoming southwest 10 Monday
afternoon.
Scattered showers ending near noon with a risk of
thunderstorms.
Winds
Issued 03:00 AM EDT 27 July 2025
Today Tonight and Monday.
Wind southwest 15 knots diminishing to southwest 10 this morning
then becoming light overnight. Wind becoming southwest 10 Monday
afternoon.
Waves
Issued 03:00 AM EDT 27 July 2025
Today Tonight and Monday.
Waves 0.5 to 1 metre subsiding to 0.5 or less near
noon.
Weather & Visibility
Issued 03:00 AM EDT 27 July 2025
Today Tonight and Monday.
Scattered showers ending near noon 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 3:00 AM EDT 27 July 2025 Today Tonight and Monday At 3:00 a.m. EDT today departing ridge located on a line northeast-southwest over New England.
At 3:00 a.m. EDT today trough located on a line north-south over northwestern Ontario. By 3:00 a.m. EDT Monday trough located on a line northeast-southwest over Maine.
By 3:00 a.m. EDT Monday ridge located on a line northeast-southwest over Lake Huron.
By 3:00 a.m. EDT Monday low 1008 mb located over northwestern Ontario.
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