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Montréal to Trois-Rivières

Warnings

Forecast

Marine Forecast

Issued 03:00 PM EDT 12 May 2026

Tonight and Wednesday.

Wind west 10 to 15 knots becoming light early this evening then becoming southeast 15 Wednesday morning.

Rain Wednesday afternoon and evening.

Extended Forecast

Issued 06:00 PM EDT 12 May 2026
Thursday Wind southeast 15 knots backing to northeast 10 to 15 in the afternoon.
Friday Wind northeast 15 knots diminishing to light.
Saturday Wind light increasing to southwest 15 to 25 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 PM EDT 12 May 2026 Tonight and Wednesday At 3:00 p.m. EDT today ridge located on a line north-south over
Montréal.
By 8:00 p.m. EDT Wednesday ridge located on a line
northwest-southeast over the Gulf of St. Lawrence.

At 3:00 p.m. EDT today low 1003 mb located over the Midwestern
states.
By 8:00 p.m. EDT Wednesday low 1004 mb located north of Lake
Ontario.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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