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Cornwall to Montréal

Forecast

Marine Forecast

Issued 06:13 PM EDT 14 September 2026

Tonight and Tuesday.

Wind northwest 15 knots diminishing to light near midnight then becoming southeast 15 near noon Tuesday.

Extended Forecast

Issued 06:00 PM EDT 14 September 2026
Wednesday Wind southwest 15 knots.
Thursday Wind light.
Friday Wind light.

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Weather Conditions

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Map of St. Lawrence - St. Lawrence River marine weather areas Grand Manan New Carlisle Pointe-au-Père Fundy Park (Alma) Port Menier Miramichi Île Bicquette Charlo Cap-Chat Bathurst Airport CFB Bagotville Jonquière Mistook Normandin Roberval Airport Île-d'Orléans - Quai de St-Jean Deschambault North Bay Airport Beauport L'Isle-aux-Grues Bas Caraquet Lake Nipissing - 45152 Pointe-des-Monts L'Assomption Baie-Comeau Airport Saint-Anicet Cap-Rouge Sainte-Anne-de-Bellevue Lac Memphrémagog Montréal Metropolitain Airport Île Rouge Montréal-Trudeau Int'l Airport Lac Saint-Pierre Trois-Rivières Airport Pointe de l'Islet Pointe Claveau Sept-Îles Airport Kouchibouguac 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 La Pocatière Miscou Island Mont-Joli Airport
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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 PM EDT 14 September 2026 Tonight and Tuesday At 3:00 p.m. EDT today departing trough located over the Strait
of Belle Isle.

At 3:00 p.m. EDT today high 1025 mb located over the Great Lakes.
By 8:00 p.m. EDT Tuesday high 1030 mb located over Newfoundland.

St. Lawrence - St. Lawrence River Area

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