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Montréal to Trois-Rivières

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 12 May 2026

Today Tonight and Wednesday.

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

Rain Wednesday late in the day. Visibility 1 mile or less in rain.

Extended Forecast

Issued 06:00 AM EDT 12 May 2026
Thursday Wind southeast 15 to 20 knots backing to northeast 10 to 15 late in the day.
Friday Wind northeast 10 to 15 knots becoming 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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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 12 May 2026 Today Tonight and Wednesday At 3:00 a.m. EDT today ridge located on a line north-south over
western Quebec.
By 8:00 p.m. EDT Wednesday ridge located on a line
northwest-southeast over Sept-Îles.

At 8:00 a.m. EDT Wednesday low 1003 mb located over Lake Huron.
By 8:00 p.m. EDT Wednesday low 1004 mb located east of Lake Huron.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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