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Cornwall to Montréal

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 24 April 2026

Today Tonight and Saturday.

Wind light becoming northeast 10 to 15 knots early this evening then becoming light Saturday evening.

Extended Forecast

Issued 06:00 AM EDT 24 April 2026
Sunday Wind light.
Monday Wind light.
Tuesday Wind light becoming southeast 15 knots.

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Map of St. Lawrence - St. Lawrence River marine weather areas Miramichi North Cape Port Menier Roberval Airport Normandin Mistook Jonquière CFB Bagotville Cap-Chat Île Bicquette Charlo North Bay Airport Yarmouth Airport Brier Island St. Stephen Saint John Airport Point Lepreau Greater Moncton Roméo LeBlanc Int'l Airport Miscou Island Kouchibouguac Kouchibouguac Grand Manan Fundy Park (Alma) Bas Caraquet Bathurst Airport Lac Saint-Pierre Pointe-Noire Île d'Orléans Pointe-des-Monts L'Assomption Sept-Îles Airport Pointe Claveau Pointe de l'Islet Trois-Rivières Airport L'Isle-aux-Grues Deschambault Île Rouge Montréal-Trudeau Int'l Airport Montréal Metropolitain Airport Lac Memphrémagog Sainte-Anne-de-Bellevue Cap-Rouge Saint-Anicet Baie-Comeau Airport La Pocatière Pointe-au-Père New Carlisle Mont-Joli Airport Gaspé Airport Lake Nipissing - 45152 Rivière-la-Madeleine Beauport Cap-d'Espoir
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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 24 April 2026 Today Tonight and Saturday At 3:00 a.m. EDT today ridge located from Hudson Bay to Lake
Ontario.
By 8:00 p.m. EDT Saturday ridge located on a line north-south
over Quebec.

At 3:00 a.m. EDT today departing trough located over Anticosti
Island extending northward.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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