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Donnacona to Beauport

Warnings

Forecast

Marine Forecast

Issued 03:00 PM EST 24 January 2026

Tonight and Sunday.

Wind westerly 15 to 25 knots diminishing to west 10 to 15 early this evening then becoming light near midnight. Wind increasing to northeast 15 to 25 Sunday evening.

Snow Sunday evening. Visibility as low as 1 mile in snow.

Low tonight minus 24. High Sunday minus 17.

Extended Forecast

Issued 06:00 PM EST 24 January 2026
Monday Wind northeast 15 to 20 knots diminishing to light in the afternoon.
Tuesday Wind west 10 to 15 knots becoming light.
Wednesday Wind west 10 to 15 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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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 24 January 2026 Tonight and Sunday At 3:00 p.m. EST today high 1040 mb located over Lake Ontario.
By 7:00 p.m. EST Sunday high 1032 mb located north of Saguenay
River.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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