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Government of Canada / Gouvernement du Canada

Saguenay to Tadoussac

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 19 March 2026

Today Tonight and Friday.

Wind east 15 knots increasing to east 20 to 30 early this morning then diminishing to east 10 to 15 early this evening. Wind becoming west 10 to 15 near midnight then increasing to west 20 to 30 overnight. Wind diminishing to west 10 to 15 Friday afternoon.

Flurries this afternoon and tonight. Periods of snow Friday evening. Visibility 1 mile or less in precipitation.

High today minus 3. Low tonight minus 9. High Friday minus 3.

Extended Forecast

Issued 06:00 AM EDT 19 March 2026
Saturday Wind west 15 to 20 knots diminishing to east 10 to 15 in the afternoon.
Sunday Wind light.
Monday Wind light.

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Map of St. Lawrence - St. Lawrence River marine weather areas
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land station Land Station
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 AM EDT 19 March 2026 Today Tonight and Friday At 3:00 a.m. EDT today ridge located on a line northwest-southeast
over Anticosti Island.
By 8:00 p.m. EDT tonight departing ridge located on a line
northwest-southeast over the Strait of Belle Isle.

At 3:00 a.m. EDT today trough located from James Bay to Lake
Superior.
By 8:00 p.m. EDT Friday trough located from Labrador to Sept-Îles.

At 8:00 p.m. EDT tonight low 1005 mb located over Manitoba.
By 8:00 p.m. EDT Friday low 1006 mb located south of Quebec.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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