Cornwall to Montréal
Forecast
Marine Forecast
Issued 03:00 PM EDT 19 July 2025
Tonight and Sunday.
Wind southwest 10 to 15 knots diminishing to light early this evening then becoming southwest 10 to 15 early Sunday morning. Wind veering to northwest 10 to 15 Sunday afternoon.
Scattered showers tonight and Sunday.
Extended Forecast
Issued 06:00 PM EDT 19 July 2025
Monday
Wind northerly 15 knots.
Tuesday
Wind light.
Wednesday
Wind light.
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Weather Conditions
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Ice Conditions
There is no ice forecast issued for this area.
Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 3:00 PM EDT 19 July 2025 Tonight and Sunday At 3:00 p.m. EDT today trough located on a line northeast-southwestover northern Ontario.
By 8:00 p.m. EDT Sunday trough located from Natashquan to the Gulf
of Maine.
At 3:00 p.m. EDT today high located on a line north-south over
Manitoba.
By 8:00 p.m. EDT Sunday high located on a line north-south over
Lake Superior.
Great Lakes - Lake Huron Area
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