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L'Isle-aux-Coudres to Tadoussac

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EST 24 January 2026

Today Tonight and Sunday.

Wind northwesterly 20 to 30 knots backing to southwest 15 to 25 early this morning then becoming westerly 15 this afternoon. Wind diminishing to light near midnight. Wind light Sunday.

Periods of snow Sunday evening.

High today minus 17. Low tonight minus 23. High Sunday minus 17.

Waves

Issued 03:00 AM EST 24 January 2026
Today Tonight and Sunday. Mainly ice covered.

Extended Forecast

Issued 06:00 AM EST 24 January 2026
Monday Wind northeast 15 to 25 knots diminishing to light late in the day.
Tuesday Wind southwest 15 to 25 knots diminishing to light late in the day.
Wednesday Wind west 10 to 15 knots.

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Map of St. Lawrence - St. Lawrence River marine weather areas Cap-Chat Mont-Joli Airport Bathurst Airport Île Bicquette Charlo Port Menier Miramichi Pointe-au-Père Fundy Park (Alma) New Carlisle Grand Manan Bas Caraquet CFB Bagotville Jonquière Mistook Normandin Roberval Airport Deschambault Beauport North Bay Airport Trois-Rivières Airport Lake Nipissing - 45152 Kouchibouguac Baie-Comeau Airport Île d'Orléans Saint-Anicet Sainte-Anne-de-Bellevue Cap-Rouge Lac Memphrémagog Montréal Metropolitain Airport Montréal-Trudeau Int'l Airport Île Rouge Lac Saint-Pierre L'Isle-aux-Grues L'Assomption Pointe de l'Islet Pointe Claveau Sept-Îles Airport Pointe-des-Monts North Cape Pointe-Noire Yarmouth Airport Cap-d'Espoir Brier Island Rivière-la-Madeleine St. Stephen Gaspé Airport Saint John Airport Point Lepreau Greater Moncton Roméo LeBlanc Int'l Airport Miscou Island Kouchibouguac La Pocatière
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buoy Buoy
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 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.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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