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 01 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 1 February 2026 Today Tonight and Monday At 3:00 a.m. EST today ridge located on a line northeast-southwest
over Lake Huron.
By 7:00 p.m. EST Monday ridge located on a line northeast-southwest
over Lake Ontario.

At 3:00 a.m. EST today low 997 mb located off Cape Hatteras.
By 7:00 p.m. EST Monday low 965 mb located east of Newfoundland.

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