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L'Isle-aux-Coudres to Tadoussac

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EST 12 February 2026

Today Tonight and Friday.

Wind northerly 15 to 20 knots diminishing to northerly 10 to 15 early this morning then becoming light early this evening. Wind increasing to southwest 10 to 15 Friday morning and to southwest 20 to 30 near noon Friday.

Flurries Friday evening.

High today minus 5. Low tonight minus 16. High Friday minus 7.

Waves

Issued 03:00 AM EST 12 February 2026
Today Tonight and Friday. Over open water seas 1 metre or less.

Extended Forecast

Issued 06:00 PM EST 11 February 2026
Friday Wind southwest 15 knots.
Saturday Wind light becoming northeast 15 knots.
Sunday Wind light.

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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 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 AM EST 12 February 2026 Today Tonight and Friday At 3:00 a.m. EST today ridge located on a line northeast-southwest
over Lake Superior.
By 7:00 p.m. EST Friday ridge located on a line north-south over
Québec city.

At 3:00 a.m. EST today low 984 mb located off Nova Scotia.
By 7:00 p.m. EST tonight departing low 984 mb located over
Newfoundland.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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