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Trois-Rivières to Donnacona

Forecast

Marine Forecast

Issued 03:00 AM EST 14 December 2025

Today Tonight and Monday.

Wind light increasing to westerly 15 knots late this afternoon then backing to southwest 15 to 20 near noon Monday. Wind diminishing to southwest 10 to 15 Monday evening.

Temperatures minus 5 falling to minus 11 this morning then rising to minus 6 this afternoon.

Extended Forecast

Issued 06:00 AM EST 14 December 2025
Tuesday Wind southwest 10 to 20 knots.
Wednesday Wind southwest 15 to 25 knots.
Thursday Wind light increasing to south 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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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 AM EST 14 December 2025 Today Tonight and Monday At 3:00 a.m. EST today low 1010 mb located west of Lake Saint-Jean.
By 10:00 a.m. EST today dissipating low 1013 mb located near
Rivière-du-Loup.

At 3:00 a.m. EST today ridge located on a line north-south over
northern Ontario.
By 7:00 p.m. EST Monday ridge located on a line northeast-southwest
over Lake Saint-Jean.

At 3:00 a.m. EST today intensifying low 1011 mb located north of
Cape Hatteras.
By 7:00 p.m. EST Monday low 955 mb located over eastern
Newfoundland.

St. Lawrence - St. Lawrence River Area

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