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Trois-Rivières to Donnacona

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 08 March 2026

Today Tonight and Monday.

Wind southwest 15 to 25 knots diminishing to west 10 to 15 late this morning then increasing to southwest 15 to 25 this afternoon. Wind diminishing to southwest 10 to 15 overnight then increasing to southwest 15 to 25 near noon Monday.

Periods of rain ending near noon. Scattered showers this evening. Fog dissipating early this morning.

Extended Forecast

Issued 06:00 AM EDT 08 March 2026
Tuesday Wind southwest 15 knots becoming north 15 late in the day.
Wednesday Wind northeast 15 to 25 knots.
Thursday 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

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 8 March 2026 Today Tonight and Monday At 3:00 a.m. EDT today cold front located on a line
northeast-southwest over Lake Saint-Jean.
By 3:00 p.m. EDT today departing cold front located on a line
northeast-southwest over Chaleur Bay.

At 3:00 a.m. EDT today ridge located on a line northeast-southwest
over Lake Michigan.
By 8:00 p.m. EDT Monday departing ridge located on a line
north-south over Newfoundland.

At 3:00 a.m. EDT today low located over northwestern Lake Superior.
By 8:00 p.m. EDT Monday low located over northern Lake Saint-Jean.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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