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Montréal to Trois-Rivières

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 10 March 2026

Today Tonight and Wednesday.

Gale warning in effect.

Wind southwest 10 to 15 knots becoming light early this morning then increasing to northeast 15 to 25 this afternoon. Wind increasing to northeast 25 to 35 Wednesday morning.

Periods of rain this afternoon and this evening. Freezing rain Wednesday.

Temperatures plus 4 falling to minus 4 overnight.

Extended Forecast

Issued 06:00 AM EDT 10 March 2026
Thursday Wind west 15 to 25 knots.
Friday Wind west 15 knots diminishing to light.
Saturday Wind northeast 15 to 25 knots becoming southwest 15 to 25.

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Map of St. Lawrence - St. Lawrence River marine weather areas Miramichi North Cape Port Menier Roberval Airport Normandin Mistook Jonquière CFB Bagotville Cap-Chat Île Bicquette Charlo North Bay Airport Yarmouth Airport Brier Island St. Stephen Saint John Airport Point Lepreau Greater Moncton Roméo LeBlanc Int'l Airport Miscou Island Kouchibouguac Kouchibouguac Grand Manan Fundy Park (Alma) Bas Caraquet Bathurst Airport Lac Saint-Pierre Pointe-Noire Île d'Orléans Pointe-des-Monts L'Assomption Sept-Îles Airport Pointe Claveau Pointe de l'Islet Trois-Rivières Airport L'Isle-aux-Grues Deschambault Île Rouge Montréal-Trudeau Int'l Airport Montréal Metropolitain Airport Lac Memphrémagog Sainte-Anne-de-Bellevue Cap-Rouge Saint-Anicet Baie-Comeau Airport La Pocatière Pointe-au-Père New Carlisle Mont-Joli Airport Gaspé Airport Lake Nipissing - 45152 Rivière-la-Madeleine Beauport Cap-d'Espoir
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Ice Conditions

There is no ice forecast issued for this area.

Warnings

Warnings (In effect)

Gale warning in effect

Montréal to Trois-Rivières

Issued 09:08 AM EDT 10 March 2026

'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 10 March 2026 Today Tonight and Wednesday At 3:00 a.m. EDT today trough located from Sept-Îles to Montréal.
By 2:00 a.m. EDT Wednesday dissipating trough located on a line
northeast-southwest over Newfoundland.

At 3:00 a.m. EDT today high 1022 mb located over northern Ontario.
By 8:00 p.m. EDT Wednesday high 1030 mb located over Labrador.

At 8:00 p.m. EDT tonight low 1004 mb located over the Midwestern
states.
By 8:00 p.m. EDT Wednesday low 994 mb located over Lake Ontario.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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