Cornwall to Montréal
Forecast
Marine Forecast
Issued 03:00 PM EDT 16 September 2026
Tonight and Thursday.
Wind light tonight and Thursday.
Extended Forecast
Issued 06:00 PM EDT 16 September 2026
Friday
Wind light becoming northwest 15 knots in the
morning.
Saturday
Wind light.
Sunday
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 16 September 2026 Tonight and Thursday At 3:00 p.m. EDT today trough located on a line northeast-southwestover the Gaspe Peninsula.
By 8:00 a.m. EDT Thursday dissipating trough located on a line
northeast-southwest over Newfoundland.
At 3:00 p.m. EDT today high 1029 mb located over Lake Superior.
By 8:00 p.m. EDT Thursday high 1021 mb located near Sept-Îles.
At 8:00 p.m. EDT Thursday approaching trough located over James Bay.
Great Lakes - Lake Huron Area
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ATOM