Marine Forecast
Issued 03:00 PM EDT 09 September 2026
Tonight and Thursday.
Strong wind warning in effect.
Wind southwest 15 to 20 knots veering to west 20 to 25 Thursday
morning then diminishing to northwest 15 Thursday evening.
Showers ending near midnight. Visibility as low as 1 mile
in showers.
Winds
Issued 03:00 PM EDT 09 September 2026
Tonight and Thursday.
Strong wind warning in effect.
Wind southwest 15 to 20 knots veering to west 20 to 25 Thursday
morning then diminishing to northwest 15 Thursday evening.
Weather & Visibility
Issued 03:00 PM EDT 09 September 2026
Tonight and Thursday.
Showers ending near midnight. Visibility as low as 1 mile
in showers.
There is no ice forecast issued for this area.
Warnings (In effect)
Cornwall to Montréal
Issued 3:00 PM EDT 09 September 2026'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.
Technical Marine Synopsis
Issued 3:00 PM EDT 9 September 2026 Tonight and Thursday At 3:00 p.m. EDT today ridge located from New England to Ungava Bay.
By 11:00 p.m. EDT tonight departing ridge located over Newfoundland.
At 3:00 p.m. EDT today trough located from James Bay to the
Great Lakes.
By 8:00 p.m. EDT Thursday trough located from Labrador to Nova
Scotia.
At 8:00 a.m. EDT Thursday ridge located over northwestern Ontario.
By 8:00 p.m. EDT Thursday ridge located on a line north-south over
Lake Huron.