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Trois-Rivières to Donnacona

Warnings

Forecast

Marine Forecast

Issued 03:00 PM EST 05 March 2026

Tonight and Friday.

Wind northeast 15 to 25 knots becoming northeast 15 late overnight then diminishing to light Friday evening.

Low tonight minus 10. High Friday plus 2.

Extended Forecast

Issued 06:00 PM EST 05 March 2026
Saturday Wind southerly 15 to 25 knots.
Sunday Wind light becoming southwest 15 knots.
Monday Wind southwest 15 knots increasing to southwest 20 to 30.

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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

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 PM EST 5 March 2026 Tonight and Friday At 3:00 p.m. EST today ridge located from James Bay to Rimouski.
By 7:00 p.m. EST Friday ridge located on a line north-south over
Natashquan.

At 7:00 p.m. EST Friday approaching low 1000 mb located south of
the Midwestern states.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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