Cornwall to Montreal, Canada Marine Forecast, Warnings and Alerts

Canada

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Canada 7 Day High and Low Temperatures Forecast

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Cornwall to Montreal

Marine Forecast

Issued 03:00 AM EDT 27 July 2025

Today Tonight and Monday.

Wind light becoming southwest 10 to 15 knots this morning then becoming light early this evening. Wind becoming northerly 10 to 15 near midnight then diminishing to light Monday morning. Wind becoming southwest 10 to 15 Monday evening.

Showers today and this evening with a risk of thunderstorms. Visibility as low as 1 mile in showers.

Winds

Issued 03:00 AM EDT 27 July 2025

Today Tonight and Monday. Wind light becoming southwest 10 to 15 knots this morning then becoming light early this evening. Wind becoming northerly 10 to 15 near midnight then diminishing to light Monday morning. Wind becoming southwest 10 to 15 Monday evening.

Weather & Visibility

Issued 03:00 AM EDT 27 July 2025

Today Tonight and Monday. Showers today and this evening with a risk of thunderstorms. Visibility as low as 1 mile in showers.

There is no ice forecast issued for this area.

No watches or warnings in effect.

Technical Marine Synopsis

Issued 3:00 AM EDT 27 July 2025 Today Tonight and Monday At 3:00 a.m. EDT today trough located from James Bay to Lake
Michigan.
By 3:00 a.m. EDT Monday departing trough located from the Strait
of Belle Isle to New England.

At 3:00 p.m. EDT today ridge located from the Great Lakes to
James Bay.
By 8:00 p.m. EDT Monday departing ridge located from New England
to the Strait of Belle Isle.

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