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Montréal to Trois-Rivières

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EST 18 January 2026

Today Tonight and Monday.

Gale warning in effect.

Wind southwest 25 to 35 knots diminishing to southwest 15 to 25 early this morning and to light this afternoon. Wind increasing to southwest 15 to 25 Monday evening.

Flurries ending early this morning. Flurries Monday afternoon and evening. Visibility 1 mile or less in flurries.

High today minus 3. Low tonight minus 14. High Monday minus 6.

Extended Forecast

Issued 06:00 AM EST 18 January 2026
Tuesday Wind southwest 15 to 25 knots becoming west 15 late in the day.
Wednesday Wind light.
Thursday Wind southwest 15 to 25 knots.

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

There is no ice forecast issued for this area.

Warnings

Warnings (In effect)

Gale warning in effect

Montréal to Trois-Rivières

Issued 03:00 AM EST 18 January 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 EST 18 January 2026 Today Tonight and Monday At 3:00 a.m. EST today departing ridge located on a line
northwest-southeast over Natashquan.

At 3:00 a.m. EST today low 1006 mb located near Lake Saint-Jean.
By 7:00 p.m. EST tonight weakening low 1012 mb located near
Sept-Îles.

At 7:00 p.m. EST tonight low 1008 mb located over Lake Superior.
By 7:00 p.m. EST Monday low 1002 mb located west of Lake Saint-Jean.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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