Marine Forecast
Issued 03:00 AM EDT 18 September 2025
Today Tonight and Friday.
Strong wind warning in effect.
Wind southwest 10 to 15 knots increasing to southwest 15 to 25
this morning then diminishing to southwest 10 to 15 this afternoon. Wind
increasing to northwesterly 15 to 20 early this evening then diminishing to
northwesterly 10 to 15 Friday morning.
Showers this afternoon and this
evening.
Winds
Issued 03:00 AM EDT 18 September 2025
Today Tonight and Friday.
Strong wind warning in effect.
Wind southwest 10 to 15 knots increasing to southwest 15 to 25
this morning then diminishing to southwest 10 to 15 this afternoon. Wind
increasing to northwesterly 15 to 20 early this evening then diminishing to
northwesterly 10 to 15 Friday morning.
Waves
Issued 03:00 AM EDT 18 September 2025
Today Tonight and Friday.
Seas 1 metre or less.
Weather & Visibility
Issued 03:00 AM EDT 18 September 2025
Today Tonight and Friday.
Showers this afternoon and this
evening.
There is no ice forecast issued for this area.
Warnings (In effect)
L'Isle-aux-Coudres to Tadoussac
Issued 04:16 AM EDT 18 September 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 18 September 2025 Today Tonight and Friday At 3:00 a.m. EDT today cold front located from Labrador Coast to
Lake Huron.
By 8:00 p.m. EDT Friday cold front located from Labrador Sea to
Newfoundland then to Sable Island.
At 3:00 p.m. EDT today ridge located on a line northwest-southeast
over northern Ontario.
By 8:00 p.m. EDT Friday ridge located from James Bay to New England.