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L'Isle-aux-Coudres to Tadoussac

Forecast

Marine Forecast

Issued 03:00 PM EST 09 November 2025

Tonight and Monday.

Wind northeast 15 knots increasing to northeast 20 to 30 this evening then diminishing to northerly 15 Monday afternoon. Wind increasing to southwest 15 to 20 Monday evening.

Snow beginning this evening changing to rain near noon Monday. Visibility 1 mile or less in precipitation.

Temperatures minus 1 rising to plus 4 Monday afternoon.

Waves

Issued 03:00 PM EST 09 November 2025
Tonight and Monday. Seas 1 metre or less.

Extended Forecast

Issued 06:00 PM EST 09 November 2025
Tuesday Wind southwest 15 to 25 knots.
Wednesday Wind southwest 15 to 25 knots.
Thursday Wind southwest 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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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 PM EST 9 November 2025 Tonight and Monday At 3:00 p.m. EST today ridge located from Lake Superior to Labrador.
By 1:00 p.m. EST Monday ridge located from Labrador to Newfoundland.

At 3:00 p.m. EST today intensifying low 1006 mb located over
southern Lake Ontario.
By 7:00 p.m. EST Monday low 996 mb located south of Maine.

St. Lawrence - St. Lawrence River Area

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