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L'Isle-aux-Coudres to Tadoussac

Forecast

Marine Forecast

Issued 03:00 PM EST 12 February 2026

Tonight and Friday.

Wind southwest 10 to 15 knots becoming light this evening then increasing to southwest 10 to 15 late Friday morning. Wind increasing to southwest 20 to 30 Friday afternoon.

Low tonight minus 13. High Friday minus 7.

Waves

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

Extended Forecast

Issued 06:00 AM EST 12 February 2026
Saturday Wind light becoming northeast 15 knots in the morning.
Sunday Wind light.
Monday 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 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 EST 12 February 2026 Tonight and Friday At 3:00 p.m. EST today low 980 mb located over Newfoundland.
By 7:00 p.m. EST Friday departing low 980 mb located over Labrador
Sea.

At 3:00 p.m. EST today ridge located on a line north-south over
the Great Lakes.
By 7:00 p.m. EST Friday ridge located on a line northeast-southwest
over the East Coast of the U.S.

St. Lawrence - St. Lawrence River Area

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