Cornwall to Montreal, Canada Marine Forecast, Warnings and Alerts

Canada

N.America Satellite

Canada Radar

Current Conditions

Canada 7 Day High and Low Temperatures Forecast

10 Day Forecast

Lightning Danger Radar

Lightning Strikes Radar

Cornwall to Montreal

Issued 03:00 AM EST 24 January 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 24 January 2026 Today Tonight and Sunday At 3:00 a.m. EST today trough located on a line east-west over
Anticosti Island.
By 7:00 p.m. EST tonight departing trough located on a line
east-west over Newfoundland.

At 3:00 a.m. EST today high 1048 mb located over the Midwestern
states.
By 7:00 p.m. EST tonight high 1032 mb located north of Lake
Saint-Jean.

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