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Donnacona to Beauport

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Forecast

Marine Forecast

Issued 03:00 AM EST 10 December 2025

Today Tonight and Thursday.

Wind light increasing to northeast 15 knots this afternoon and to northeast 15 to 25 this evening. Wind diminishing to light Thursday morning then increasing to westerly 15 to 25 Thursday evening.

Snow. Visibility 1 mile or less in snow.

Temperatures minus 11 rising to minus 3 this evening then falling to minus 8 Thursday evening.

Extended Forecast

Issued 06:00 AM EST 10 December 2025
Friday Wind westerly 15 to 25 knots becoming westerly 15 late in the day.
Saturday Wind light.
Sunday Wind northwest 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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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 December 2025 Today Tonight and Thursday At 3:00 a.m. EST today ridge located on a line northwest-southeast
over Sept-Îles.
By 7:00 p.m. EST tonight departing ridge located on a line
northwest-southeast over the Quebec Lower North Shore.

At 3:00 a.m. EST today low 991 mb located over Lake Michigan.
By 7:00 p.m. EST Thursday low 982 mb located over Lake Ontario.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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