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Trois-Rivières to Donnacona

Warnings

Forecast

Marine Forecast

Issued 03:00 PM EDT 12 June 2026

Tonight and Saturday.

Wind southwest 10 to 15 knots with gusts to 50 near thunderstorms this evening. Wind becoming southwest 15 to 20 near noon Saturday then diminishing to light Saturday evening.

Showers ending overnight with a risk of thunderstorms. Visibility as low as 1 mile in showers.

Extended Forecast

Issued 06:00 PM EDT 12 June 2026
Sunday Wind southwesterly 15 knots increasing to southwest 15 to 25 in the afternoon.
Monday Wind southwest 15 knots.
Tuesday Wind southwest 10 to 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 - Quai de St-Jean 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 EDT 12 June 2026 Tonight and Saturday At 3:00 p.m. EDT today dissipating trough located on a line
north-south over Québec city.

At 3:00 p.m. EDT today trough located on a line north-south over
western Quebec.
By 8:00 p.m. EDT Saturday trough located on a line
northwest-southeast over Rimouski.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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