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L'Isle-aux-Coudres to Tadoussac

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 14 July 2025

Today Tonight and Tuesday.

Wind southwest 10 to 20 knots becoming light Tuesday evening.

Showers ending early this morning with a risk of thunderstorms. Fog banks forming early this morning and dissipating near noon. Visibility as low as 1 mile in showers and 1 mile or less in fog banks.

Waves

Issued 03:00 AM EDT 14 July 2025
Today Tonight and Tuesday. Seas 1 metre or less.

Extended Forecast

Issued 06:00 AM EDT 14 July 2025
Wednesday Wind light becoming southwest 10 to 15 knots in the morning.
Thursday Wind northeast 10 to 15 knots becoming light.
Friday Wind southwest 15 knots.

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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 Saint-Hubert 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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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 AM EDT 14 July 2025 Today Tonight and Tuesday At 3:00 a.m. EDT today trough located on a line northwest-southeast
over Lake Superior.
By 8:00 p.m. EDT Tuesday trough located on a line
northeast-southwest over Havre Saint-Pierre.

At 8:00 a.m. EDT Tuesday ridge located on a line northeast-southwest
over Montréal.
By 8:00 p.m. EDT Tuesday ridge located on a line east-west over
James Bay.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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