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Trois-Rivières to Donnacona

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EST 09 February 2026

Today Tonight and Tuesday.

Wind southwest 10 to 15 knots diminishing to light this evening then becoming northeast 10 to 15 Tuesday evening.

Snow Tuesday evening. Visibility 1 mile or less in snow.

High today minus 9. Low tonight minus 21. High Tuesday minus 8.

Extended Forecast

Issued 06:00 PM EST 08 February 2026
Tuesday Wind light.
Wednesday Wind west 15 knots.
Thursday Wind west 15 knots.

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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 EST 9 February 2026 Today Tonight and Tuesday At 3:00 a.m. EST today trough located over the Gulf of St. Lawrence.
By 7:00 a.m. EST Tuesday departing trough located over the Gulf
of St. Lawrence.

At 3:00 a.m. EST today ridge located on a line north-south over
Lake Erie.
By 7:00 p.m. EST Tuesday dissipating ridge located on a line
north-south over Matane.

At 3:00 a.m. EST today low 1002 mb located over Manitoba.
By 7:00 p.m. EST Tuesday low 1005 mb located north of Lake Ontario.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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