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Montréal to Trois-Rivières

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 05 September 2026

Today Tonight and Sunday.

Strong wind warning in effect.

Wind northeast 10 to 15 knots increasing to northeast 15 to 25 late this afternoon then diminishing to northeast 10 to 15 near midnight. Wind becoming light Sunday morning then becoming northwest 10 to 15 Sunday afternoon. Wind becoming light Sunday evening.

Scattered showers ending near midnight.

Extended Forecast

Issued 06:00 AM EDT 05 September 2026
Monday Wind light becoming westerly 10 to 15 knots in the afternoon.
Tuesday Wind northerly 10 to 15 knots diminishing to light.
Wednesday Wind light increasing to southwest 25 to 30 knots 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 05 September 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 5 September 2026 Today Tonight and Sunday At 3:00 a.m. EDT today building low 998 mb located over the Gulf
of Maine.
By 8:00 p.m. EDT Sunday low 998 mb located off Newfoundland.

At 3:00 a.m. EDT today quasi-stationary ridge located from Lake
Superior to Labrador.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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