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L'Isle-aux-Coudres to Tadoussac

Warnings

Forecast

Marine Forecast

Issued 03:00 PM EST 09 February 2026

Tonight and Tuesday.

Wind southwest 15 to 25 knots diminishing to light this evening then becoming northeast 10 to 15 Tuesday evening.

Low tonight minus 16. High Tuesday minus 9.

Waves

Issued 03:00 PM EST 09 February 2026
Tonight and Tuesday. Over open water seas 1 metre or less.

Extended Forecast

Issued 06:00 AM EST 09 February 2026
Wednesday Wind northeast 15 knots.
Thursday Wind west 15 knots.
Friday Wind west 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 9 February 2026 Tonight and Tuesday At 3:00 p.m. EST today trough located over the Gulf of St. Lawrence.
By 7:00 a.m. EST Tuesday departing trough located over the Gulf
of St. Lawrence.

At 3:00 p.m. EST today ridge located on a line north-south over
Lake Erie.
By 7:00 p.m. EST Tuesday dissipating ridge located on a line
north-south over Matane.

At 3:00 p.m. EST today low 1003 mb located over Manitoba.
By 7:00 p.m. EST Tuesday low 1005 mb located north of the Great
Lakes.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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