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Montréal to Trois-Rivières

Warnings

Forecast

Marine Forecast

Issued 03:00 PM EDT 06 September 2026

Tonight and Monday.

Wind northwest 10 to 15 knots becoming light this evening then becoming northwest 10 to 15 near noon Monday.

Extended Forecast

Issued 06:00 PM EDT 06 September 2026
Tuesday Wind northerly 10 to 15 knots diminishing to light in the afternoon.
Wednesday Wind light increasing to southwest 20 to 30 knots late in the day.
Thursday Wind southwest 15 to 25 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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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 6 September 2026 Tonight and Monday At 3:00 p.m. EDT today low 998 mb located off Nova Scotia.
By 8:00 p.m. EDT Monday low 1000 mb located over Newfoundland.

At 3:00 p.m. EDT today high 1020 mb located near Lake Superior.
By 8:00 p.m. EDT Monday high 1029 mb located near James Bay.

At 8:00 a.m. EDT Monday trough located from James Bay to Labrador.
By 8:00 p.m. EDT Monday trough located from Lake Saint-Jean to
Labrador.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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