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L'Isle-aux-Coudres to Tadoussac

Warnings

Forecast

Marine Forecast

Issued 03:00 PM EDT 13 June 2026

Tonight and Sunday.

Wind northeast 15 knots diminishing to light this evening then increasing to southwest 15 to 20 Sunday afternoon.

Showers ending this evening. Showers Sunday afternoon and evening with a risk of thunderstorms.

Waves

Issued 03:00 PM EDT 13 June 2026
Tonight and Sunday. Seas 1 metre or less.

Extended Forecast

Issued 06:00 AM EDT 13 June 2026
Monday Wind southwest 15 to 25 knots.
Tuesday Wind light increasing to southwest 10 to 20 knots.
Wednesday Wind southwest 15 knots diminishing to light late in the day.

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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 - Quai de St-Jean 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 EDT 13 June 2026 Tonight and Sunday At 3:00 p.m. EDT today dissipating trough located on a line
northwest-southeast over Lake Saint-Jean.

At 3:00 p.m. EDT today trough located on a line north-south over
the Great Lakes.
By 8:00 p.m. EDT Sunday trough located on a line north-south
over Montréal.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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