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L'Isle-aux-Coudres to Tadoussac

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EST 17 November 2025

Today Tonight and Tuesday.

Wind northwest 15 knots increasing to westerly 15 to 25 near noon. Wind westerly 15 to 25 tonight and Tuesday.

Snow ending this morning. Visibility 1 mile or less in snow.

Waves

Issued 03:00 AM EST 17 November 2025
Today Tonight and Tuesday. Seas 1 metre or less building to 1 to 2 this afternoon.

Extended Forecast

Issued 06:00 AM EST 17 November 2025
Wednesday Wind southwest 15 to 25 knots.
Thursday Wind southwest 15 to 20 knots diminishing to light.
Friday Wind light increasing to southwest 15 to 25 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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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 17 November 2025 Today Tonight and Tuesday At 3:00 a.m. EST today low 973 mb located near Chaleur Bay.
By 7:00 p.m. EST Tuesday low 982 mb located south of Ungava Bay.

At 3:00 a.m. EST today ridge located on a line northwest-southeast
over Manitoba.
By 7:00 p.m. EST Tuesday ridge located on a line northwest-southeast
over Lake Superior.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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