Cornwall to Montreal, Canada Marine Forecast, Warnings and Alerts

Canada

N.America Satellite

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Current Conditions

Canada 7 Day High and Low Temperatures Forecast

10 Day Forecast

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Cornwall to Montreal

Issued 03:00 AM EST 02 February 2026

Forecasts have ended for the season.

There is no ice forecast issued for this area.

No watches or warnings in effect.

Technical Marine Synopsis

Issued 3:00 AM EST 2 February 2026 Today Tonight and Tuesday At 3:00 a.m. EST today ridge located on a line northeast-southwest
over Lake Erie.
By 7:00 a.m. EST Tuesday dissipating ridge located on a line
north-south over Trois-Rivières.

At 3:00 a.m. EST today intensifying low 975 mb located southeast
of Nova Scotia.
By 7:00 p.m. EST tonight low 966 mb located east of Newfoundland.

At 7:00 p.m. EST tonight low 1015 mb located east of Lake Superior.
By 7:00 p.m. EST Tuesday low 1018 mb located over Cornwall.

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