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Montréal to Trois-Rivières

Warnings

Forecast

Marine Forecast

Issued 03:00 PM EDT 31 August 2026

Tonight and Tuesday.

Wind light becoming northeast 10 to 15 knots early Tuesday morning.

Scattered showers Tuesday evening.

Extended Forecast

Issued 06:00 PM EDT 31 August 2026
Wednesday Wind easterly 10 to 15 knots increasing to southeast 15 to 25 in the morning then becoming southeast 15 late in the day.
Thursday Wind southeast 10 to 15 knots becoming light.
Friday Wind light becoming northerly 10 to 15 knots.

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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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buoy Buoy
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 PM EDT 31 August 2026 Tonight and Tuesday At 3:00 p.m. EDT today trough located from the Strait of Belle
Isle to Pointe-des-Monts.
By 8:00 p.m. EDT tonight departing trough located from the Strait
of Belle Isle to Anticosti Island.

At 3:00 p.m. EDT today ridge located on a line north-south over
Montréal.
By 8:00 p.m. EDT Tuesday ridge located on a line northwest-southeast
over Anticosti Island.

At 2:00 p.m. EDT Tuesday quasi-stationary trough located on a line
northwest-southeast over Lake Ontario.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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