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Beauport to L'Isle-aux-Coudres

Warnings

Forecast

Marine Forecast

Issued 03:00 PM EDT 11 August 2026

Tonight and Wednesday.

Wind southwest 15 knots diminishing to light early this evening then becoming southwest 10 to 15 near noon Wednesday. Wind diminishing to light Wednesday evening.

Scattered showers ending this evening with a risk of thunderstorms. Scattered showers Wednesday late in the day.

Extended Forecast

Issued 06:00 AM EDT 11 August 2026
Thursday Wind light becoming southwest 15 knots in the morning.
Friday Wind light becoming northwest 10 to 15 knots.
Saturday Wind light.

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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 11 August 2026 Tonight and Wednesday At 3:00 p.m. EDT today low 1002 mb located near New Brunswick.
By 8:00 p.m. EDT Wednesday low 998 mb located over northern
Newfoundland.

At 3:00 p.m. EDT today quasi-stationary ridge located on a line
northwest-southeast over the Great Lakes.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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