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Cornwall to Montréal

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EST 10 November 2025

Today Tonight and Tuesday.

Wind northwesterly 15 knots backing to southwest 15 to 20 early this morning then diminishing to light Tuesday evening.

Snow or rain changing to flurries early this morning. Visibility 1 mile or less in precipitation.

Temperatures near zero.

Extended Forecast

Issued 06:00 AM EST 10 November 2025
Wednesday Wind southwest 15 knots.
Thursday Wind southwest 15 knots.
Friday Wind light.

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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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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 EST 10 November 2025 Today Tonight and Tuesday At 3:00 a.m. EST today ridge located from Labrador to Newfoundland.
By 1:00 a.m. EST Tuesday ridge located off Newfoundland.

At 3:00 a.m. EST today intensifying low 1004 mb located over Maine.
By 7:00 p.m. EST Tuesday low 984 mb located south of Labrador.

At 3:00 a.m. EST today ridge located on a line north-south over
the Midwestern states.
By 7:00 p.m. EST Tuesday ridge located on a line north-south
over Cornwall.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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