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Cornwall to Montréal

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 22 May 2025

Today Tonight and Friday.

Wind southeasterly 10 to 15 knots increasing to southeasterly 15 to 20 this morning then diminishing to southeasterly 10 to 15 this evening. Wind backing to northeast 15 Friday morning then diminishing to light Friday evening.

Showers ending near midnight. Periods of rain Friday.

Extended Forecast

Issued 06:00 AM EDT 22 May 2025
Saturday Wind northeast 15 knots diminishing to light in the afternoon.
Sunday Wind light becoming northerly 10 to 15 knots.
Monday 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 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 22 May 2025 Today Tonight and Friday At 3:00 a.m. EDT today ridge located on a line north-south over
Gaspé.
By 8:00 p.m. EDT Friday ridge located on a line northwest-southeast
over Labrador Coast.

At 3:00 a.m. EDT today low 1002 mb located over Lake Erie.
By 8:00 p.m. EDT Friday low 1004 mb located near the Bay of Fundy.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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