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Montréal to Trois-Rivières

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 20 April 2026

Today Tonight and Tuesday.

Wind northwest 10 to 15 knots becoming light early this evening. Wind light Tuesday.

Flurries ending early this morning.

High today plus 2. Low tonight minus 7. High Tuesday plus 5.

Extended Forecast

Issued 06:00 AM EDT 20 April 2026
Wednesday Wind light.
Thursday Wind light becoming northwest 10 to 15 knots.
Friday Wind light.

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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 20 April 2026 Today Tonight and Tuesday At 3:00 a.m. EDT today trough located on a line north-south over
Anticosti Island.
By 8:00 p.m. EDT tonight trough located on a line north-south over
Labrador Sea.

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

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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