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L'Isle-aux-Coudres to Tadoussac

Warnings

Forecast

Marine Forecast

Issued 03:00 PM EDT 14 October 2026

Tonight and Thursday.

Wind light tonight and Thursday.

Waves

Issued 03:00 PM EDT 14 October 2026
Tonight and Thursday. Seas 1 metre or less.

Extended Forecast

Issued 06:00 AM EDT 14 October 2026
Friday Wind light increasing to northeast 15 to 25 knots in the morning.
Saturday Wind northwest 15 to 25 knots becoming west 15 late in the day.
Sunday Wind west 15 knots backing to south 15 late in the day.

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Map of St. Lawrence - St. Lawrence River marine weather areas Grand Manan New Carlisle Pointe-au-Père Fundy Park (Alma) Port Menier Miramichi Île Bicquette Charlo Cap-Chat Bathurst Airport CFB Bagotville Jonquière Mistook Normandin Roberval Airport Île-d'Orléans - Quai de St-Jean Deschambault North Bay Airport Beauport L'Isle-aux-Grues Bas Caraquet Lake Nipissing - 45152 Pointe-des-Monts L'Assomption Baie-Comeau Airport Saint-Anicet Cap-Rouge Sainte-Anne-de-Bellevue Lac Memphrémagog Montréal Metropolitain Airport Île Rouge Montréal-Trudeau Int'l Airport Lac Saint-Pierre Trois-Rivières Airport Pointe de l'Islet Pointe Claveau Sept-Îles Airport Kouchibouguac 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 La Pocatière Miscou Island Mont-Joli Airport
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land station Land Station
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 14 October 2026 Tonight and Thursday At 3:00 p.m. EDT today low 1002 mb located over Nova Scotia.
By 10:00 a.m. EDT Thursday departing low 987 mb located over
Newfoundland.

At 3:00 p.m. EDT today high 1024 mb located over western Ontario.
By 8:00 p.m. EDT Thursday high 1025 mb located over Quebec.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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