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Montréal to Trois-Rivières

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 08 October 2026

Today Tonight and Friday.

Strong wind warning in effect.

Wind southwesterly 15 knots increasing to westerly 15 to 25 late this morning then becoming westerly 15 early this evening. Wind increasing to west 15 to 25 Friday morning then diminishing to northwest 10 to 15 Friday evening.

Scattered showers. Risk of thunderstorms today.

Extended Forecast

Issued 06:00 AM EDT 08 October 2026
Saturday Wind westerly 10 to 15 knots becoming light late in the day.
Sunday Wind light increasing to southwest 15 to 25 knots.
Monday Wind southwest 10 to 15 knots increasing to northeast 15 to 20 late in the day.

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Map of St. Lawrence - St. Lawrence River marine weather areas Grand Manan New Carlisle Pointe-au-Père Fundy Park (Alma) Port Menier Miramichi Île Bicquette Charlo Cap-Chat Bathurst Airport CFB Bagotville Jonquière Mistook Normandin Roberval Airport Île-d'Orléans - Quai de St-Jean Deschambault North Bay Airport Beauport L'Isle-aux-Grues Bas Caraquet Lake Nipissing - 45152 Pointe-des-Monts L'Assomption Baie-Comeau Airport Saint-Anicet Cap-Rouge Sainte-Anne-de-Bellevue Lac Memphrémagog Montréal Metropolitain Airport Île Rouge Montréal-Trudeau Int'l Airport Lac Saint-Pierre Trois-Rivières Airport Pointe de l'Islet Pointe Claveau Sept-Îles Airport Kouchibouguac 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 La Pocatière Miscou Island Mont-Joli Airport
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land station Land Station
Ice Conditions

There is no ice forecast issued for this area.

Warnings

Warnings (In effect)

Strong wind warning in effect

Montréal to Trois-Rivières

Issued 03:00 AM EDT 08 October 2026

'Strong' winds of 20 to 33 knots are occurring or expected to occur in this marine area. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 8 October 2026 Today Tonight and Friday At 3:00 a.m. EDT today departing ridge located on a line
northwest-southeast over the Strait of Belle Isle.

At 3:00 a.m. EDT today trough located on a line north-south over
Cornwall.
By 8:00 p.m. EDT Friday trough located on a line northwest-southeast
over Labrador Sea.

At 3:00 a.m. EDT today approaching ridge located on a line
northwest-southeast over Lake Ontario.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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