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L'Isle-aux-Coudres to Tadoussac

Warnings

Forecast

Marine Forecast

Issued 03:00 PM EST 23 January 2026

Tonight and Saturday.

Wind northwesterly 20 to 30 knots backing to southwest 15 to 25 late overnight then becoming westerly 15 Saturday afternoon.

Scattered flurries this afternoon. Visibility as low as 1 mile in flurries.

Temperatures minus 11 falling to minus 21 Saturday evening.

Waves

Issued 03:00 PM EST 23 January 2026
Tonight and Saturday. Over open water seas 1 metre or less.

Extended Forecast

Issued 06:00 AM EST 23 January 2026
Sunday Wind light becoming northeast 15 knots late in the day.
Monday Wind northeast 15 to 25 knots.
Tuesday Wind northwest 10 to 15 knots increasing to southwest 15 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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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 23 January 2026 Tonight and Saturday At 3:00 p.m. EST today trough located from Sept-Îles to Québec city.
By 7:00 a.m. EST Saturday departing trough located on a line
east-west over Newfoundland.

At 7:00 p.m. EST tonight high 1048 mb located over the Midwestern
states.
By 7:00 p.m. EST Saturday high 1041 mb located near Lake Ontario.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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