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Montréal to Trois-Rivières

Warnings

Forecast

Marine Forecast

Issued 03:00 PM EDT 11 May 2026

Tonight and Tuesday.

Wind northwesterly 10 to 20 knots becoming light this evening then becoming west 10 to 15 early Tuesday afternoon. Wind diminishing to light Tuesday evening.

Scattered showers ending this evening with a risk of thunderstorms.

Extended Forecast

Issued 06:00 PM EDT 11 May 2026
Wednesday Wind easterly 15 knots veering to southerly 15 to 20 in the afternoon.
Thursday Wind southerly 15 to 20 knots diminishing to northeast 10 to 15.
Friday Wind northeast 15 knots increasing to northeast 20.

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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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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 11 May 2026 Tonight and Tuesday At 3:00 p.m. EDT today cold front located on a line north-south
over Anticosti Island.
By 8:00 a.m. EDT Tuesday dissipating cold front located on a line
northwest-southeast over Labrador Sea.

At 3:00 p.m. EDT today high 1026 mb located over western Ontario.
By 8:00 p.m. EDT Tuesday high 1021 mb located 240 miles north of
Lake Saint-Jean.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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