Marine Forecast
Issued 03:00 AM EDT 27 July 2025
Today Tonight and Monday.
Wind southwest 10 knots becoming light early this morning then
becoming south 10 overnight. Wind increasing to southwest 15 near noon Monday
then diminishing to variable 10 Monday evening.
Scattered showers ending early this morning with a risk of
thunderstorms. Fog patches dissipating this afternoon.
Winds
Issued 03:00 AM EDT 27 July 2025
Today Tonight and Monday.
Wind southwest 10 knots becoming light early this morning then
becoming south 10 overnight. Wind increasing to southwest 15 near noon Monday
then diminishing to variable 10 Monday evening.
Waves
Issued 03:00 AM EDT 27 July 2025
Today Tonight and Monday.
Waves 0.5 metres or less building to 0.5 to 1 Monday
afternoon.
Weather & Visibility
Issued 03:00 AM EDT 27 July 2025
Today Tonight and Monday.
Scattered showers ending early this morning with a risk of
thunderstorms. Fog patches dissipating this afternoon.
Ice ForecastsLake HuronIssued 12:00 PM EDT 16 May 2025 Forecasts have ended for the season.Ice ForecastsLake MichiganIssued 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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