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Cornwall to Montréal

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 14 July 2025

Today Tonight and Tuesday.

Wind light becoming southwest 10 to 15 knots this morning then becoming light this evening. Wind becoming southwest 10 to 15 near noon Tuesday then becoming light Tuesday evening.

Extended Forecast

Issued 06:00 AM EDT 14 July 2025
Wednesday Wind light becoming southwest 10 to 15 knots in the morning.
Thursday Wind light increasing to southwest 10 to 20 knots late in the day.
Friday Wind northwest 10 to 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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