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Donnacona to Beauport

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EST 10 February 2026

Today Tonight and Wednesday.

Wind light becoming northeast 15 knots early this evening then diminishing to light Wednesday evening.

Snow tonight and Wednesday. Visibility as low as 1 mile in snow.

Temperatures minus 16 rising to minus 7 Wednesday morning.

Extended Forecast

Issued 06:00 AM EST 10 February 2026
Thursday Wind west 15 knots.
Friday Wind west 15 knots.
Saturday Wind light increasing to north 10 to 20 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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land station Land Station
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 10 February 2026 Today Tonight and Wednesday At 3:00 a.m. EST today ridge located on a line north-south over
Trois-Rivières.
By 1:00 p.m. EST Wednesday dissipating ridge located on a line
northwest-southeast over Anticosti Island.

At 3:00 a.m. EST today low 1004 mb located north of Lake Superior.
By 7:00 p.m. EST Wednesday low 988 mb located southeast of Nova
Scotia.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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