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Montréal to Trois-Rivières

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Marine Forecast

Issued 03:00 AM EST 05 December 2025

Today Tonight and Saturday.

Wind light becoming southwest 10 to 15 knots early this morning then becoming light this evening. Wind becoming southerly 10 to 15 Saturday morning.

Flurries Saturday afternoon and evening. Visibility as low as 1 mile in flurries.

Temperatures minus 18 rising to minus 2 Saturday evening.

Extended Forecast

Issued 06:00 PM EST 04 December 2025
Saturday Wind light becoming southwest 10 to 15 knots in the afternoon.
Sunday Wind northwest 10 to 15 knots becoming light.
Monday Wind northwest 10 to 15 knots becoming light.

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Map of St. Lawrence - St. Lawrence River marine weather areas Cap-Chat Mont-Joli Airport Bathurst Airport Île Bicquette Charlo Port Menier Miramichi Pointe-au-Père Fundy Park (Alma) New Carlisle Grand Manan Bas Caraquet CFB Bagotville Jonquière Mistook Normandin Roberval Airport Deschambault Beauport North Bay Airport Trois-Rivières Airport Lake Nipissing - 45152 Kouchibouguac Baie-Comeau Airport Île d'Orléans Saint-Anicet Sainte-Anne-de-Bellevue Cap-Rouge Lac Memphrémagog Montréal Metropolitain Airport Montréal-Trudeau Int'l Airport Île Rouge Lac Saint-Pierre L'Isle-aux-Grues L'Assomption Pointe de l'Islet Pointe Claveau Sept-Îles Airport Pointe-des-Monts 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 Miscou Island Kouchibouguac La Pocatière
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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 EST 5 December 2025 Today Tonight and Saturday At 3:00 a.m. EST today intensifying low 985 mb located over
Newfoundland.
By 7:00 p.m. EST tonight low 961 mb located east of Newfoundland.

At 3:00 a.m. EST today ridge located on a line north-south over
Montréal.
By 7:00 p.m. EST Saturday ridge located on a line north-south over
the Gulf of St. Lawrence.

At 7:00 p.m. EST tonight trough located on a line
northeast-southwest over Lake Superior.
By 7:00 p.m. EST Saturday trough located on a line
northeast-southwest over Lake Saint-Jean.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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