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L'Isle-aux-Coudres to Tadoussac

Warnings

Forecast

Marine Forecast

Issued 03:00 PM EDT 10 July 2026

Tonight and Saturday.

Wind light becoming northwest 10 to 15 knots early this evening then diminishing to light near midnight. Wind light Saturday.

Scattered showers Saturday afternoon and evening with a risk of thunderstorms.

Waves

Issued 03:00 PM EDT 10 July 2026
Tonight and Saturday. Seas 1 metre or less.

Extended Forecast

Issued 06:00 PM EDT 10 July 2026
Sunday Wind light becoming southwest 15 knots late in the day.
Monday Wind southwest 15 knots increasing to southwest 15 to 25.
Tuesday Wind light becoming southwest 15 knots.

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Map of St. Lawrence - St. Lawrence River marine weather areas Miramichi North Cape Port Menier Roberval Airport Normandin Mistook Jonquière CFB Bagotville Cap-Chat Île Bicquette Charlo North Bay Airport Yarmouth Airport Brier Island St. Stephen Saint John Airport Point Lepreau Greater Moncton Roméo LeBlanc Int'l Airport Miscou Island Kouchibouguac Kouchibouguac Grand Manan Fundy Park (Alma) Bas Caraquet Bathurst Airport Lac Saint-Pierre Pointe-Noire Île-d'Orléans - Quai de St-Jean Pointe-des-Monts L'Assomption Sept-Îles Airport Pointe Claveau Pointe de l'Islet Trois-Rivières Airport L'Isle-aux-Grues Deschambault Île Rouge Montréal-Trudeau Int'l Airport Montréal Metropolitain Airport Lac Memphrémagog Sainte-Anne-de-Bellevue Cap-Rouge Saint-Anicet Baie-Comeau Airport La Pocatière Pointe-au-Père New Carlisle Mont-Joli Airport Gaspé Airport Lake Nipissing - 45152 Rivière-la-Madeleine Beauport Cap-d'Espoir
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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 EDT 10 July 2026 Tonight and Saturday At 3:00 p.m. EDT today trough located from the Strait of Belle
Isle to Nova Scotia.
By 8:00 p.m. EDT Saturday departing trough located from Labrador
to Newfoundland.

At 3:00 p.m. EDT today ridge located on a line north-south over
Hudson Bay.
By 8:00 p.m. EDT Saturday ridge located on a line
northeast-southwest over western Quebec.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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