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L'Isle-aux-Coudres to Tadoussac

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EST 18 November 2025

Today Tonight and Wednesday.

Wind westerly 15 to 25 knots becoming southwest 15 near midnight. Wind southwest 15 Wednesday.

Temperatures near plus 2.

Waves

Issued 03:00 AM EST 18 November 2025
Today Tonight and Wednesday. Seas 1 metre.

Extended Forecast

Issued 06:00 AM EST 18 November 2025
Thursday Wind southwest 10 to 20 knots becoming light late in the day.
Friday Wind light.
Saturday Wind west 15 knots with gusts to 25.

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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 18 November 2025 Today Tonight and Wednesday At 3:00 a.m. EST today low 973 mb located over northern Labrador.
By 7:00 p.m. EST Wednesday low 989 mb located east of Ungava Bay.

At 3:00 a.m. EST today high 1024 mb located over the Great Lakes.
By 7:00 p.m. EST Wednesday high 1027 mb located near Cornwall.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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