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Montréal to Trois-Rivières

Forecast

Marine Forecast

Issued 03:00 PM EDT 11 September 2026

Tonight and Saturday.

Wind west 10 to 20 knots becoming light near midnight then increasing to southerly 10 to 20 early Saturday afternoon.

Mist forming overnight and dissipating Saturday morning. Visibility as low as 1 mile in mist.

Extended Forecast

Issued 06:00 PM EDT 11 September 2026
Sunday Wind southerly 10 to 15 knots increasing to southwest 15 to 25 in the morning.
Monday Wind northwest 15 to 20 knots diminishing to light late in the day.
Tuesday Wind light becoming south 10 to 15 knots.

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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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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 September 2026 Tonight and Saturday At 3:00 p.m. EDT today departing low 984 mb located northeast of
the Strait of Belle Isle.

At 3:00 p.m. EDT today ridge located on a line north-south over
Lake Ontario.
By 8:00 p.m. EDT Saturday departing ridge located on a line
north-south over Newfoundland.

At 4:00 a.m. EDT Saturday trough located on a line
northeast-southwest over Lake Superior.
By 8:00 p.m. EDT Saturday trough located on a line
northeast-southwest over Lake Huron.

St. Lawrence - St. Lawrence River Area

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