Marine Forecast
Issued 03:00 AM EDT 27 July 2025
Today Tonight and Monday.
Strong wind warning in effect.
Wind southwest 10 to 15 knots increasing to southwest 15 to 25
early this morning then becoming northwesterly 15 early this evening. Wind
diminishing to light Monday morning then becoming southwest 10 to 15 Monday
evening.
Showers this evening with a risk of thunderstorms.
Visibility as low as 1 mile in showers.
Winds
Issued 03:00 AM EDT 27 July 2025
Today Tonight and Monday.
Strong wind warning in effect.
Wind southwest 10 to 15 knots increasing to southwest 15 to 25
early this morning then becoming northwesterly 15 early this evening. Wind
diminishing to light Monday morning then becoming southwest 10 to 15 Monday
evening.
Waves
Issued 03:00 AM EDT 27 July 2025
Today Tonight and Monday.
Seas 1 metre or less.
Weather & Visibility
Issued 03:00 AM EDT 27 July 2025
Today Tonight and Monday.
Showers this evening with a risk of thunderstorms.
Visibility as low as 1 mile in showers.
There is no ice forecast issued for this area.
Warnings (In effect)
L'Isle-aux-Coudres to Tadoussac
Issued 03:00 AM EDT 27 July 2025'Strong' winds of 20 to 33 knots are occurring or expected to occur in this marine area. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.
Technical Marine Synopsis
Issued 3:00 AM EDT 27 July 2025 Today Tonight and Monday At 3:00 a.m. EDT today trough located from James Bay to Lake
Michigan.
By 3:00 a.m. EDT Monday departing trough located from the Strait
of Belle Isle to New England.
At 3:00 p.m. EDT today ridge located from the Great Lakes to
James Bay.
By 8:00 p.m. EDT Monday departing ridge located from New England
to the Strait of Belle Isle.