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L'Isle-aux-Coudres to Tadoussac

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 13 October 2026

Today Tonight and Wednesday.

Wind northeast 10 to 15 knots becoming light near noon Wednesday then increasing to west 10 to 20 Wednesday evening.

Rain this afternoon tonight and Wednesday morning.

Waves

Issued 03:00 AM EDT 13 October 2026
Today Tonight and Wednesday. Seas 1 metre or less.

Extended Forecast

Issued 06:00 PM EDT 12 October 2026
Wednesday Wind northeast 15 to 25 knots diminishing to northeast 10 to 15 in the afternoon and to light late in the day.
Thursday Wind west 15 knots diminishing to light late in the day.
Friday Wind northeast 15 knots.

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Map of St. Lawrence - St. Lawrence River marine weather areas Grand Manan New Carlisle Pointe-au-Père Fundy Park (Alma) Port Menier Miramichi Île Bicquette Charlo Cap-Chat Bathurst Airport CFB Bagotville Jonquière Mistook Normandin Roberval Airport Île-d'Orléans - Quai de St-Jean Deschambault North Bay Airport Beauport L'Isle-aux-Grues Bas Caraquet Lake Nipissing - 45152 Pointe-des-Monts L'Assomption Baie-Comeau Airport Saint-Anicet Cap-Rouge Sainte-Anne-de-Bellevue Lac Memphrémagog Montréal Metropolitain Airport Île Rouge Montréal-Trudeau Int'l Airport Lac Saint-Pierre Trois-Rivières Airport Pointe de l'Islet Pointe Claveau Sept-Îles Airport Kouchibouguac 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 La Pocatière Miscou Island Mont-Joli Airport
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Ice Conditions

There is no ice forecast issued for this area.

Warnings

Warnings (Ended)

Strong wind warning ended

L'Isle-aux-Coudres to Tadoussac

Issued 03:00 AM EDT 13 October 2026
Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 13 October 2026 Today Tonight and Wednesday At 3:00 a.m. EDT today ridge located from Hudson Bay to the Gaspe
Peninsula.
By 8:00 a.m. EDT Wednesday departing ridge located on a line
northwest-southeast over Newfoundland.

At 3:00 a.m. EDT today low 1003 mb located over Lake Michigan.
By 8:00 p.m. EDT Wednesday low 1000 mb located over the Gulf of
St. Lawrence.

At 8:00 p.m. EDT Wednesday approaching high 1026 mb located over
northwestern Ontario.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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