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Donnacona to Beauport

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EST 01 November 2026

Today Tonight and Monday.

Wind southwest 15 knots today tonight and Monday.

Scattered showers overnight and Monday.

Extended Forecast

Issued 06:00 PM EDT 31 October 2026
Monday Wind southwest 10 to 20 knots.
Tuesday Wind light.
Wednesday Wind southwest 15 knots.

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Map of St. Lawrence - St. Lawrence River marine weather areas Mistook Jonquière CFB Bagotville Bathurst Airport Cap-Chat Charlo Île Bicquette Miramichi Port Menier Pointe-au-Père Montréal Metropolitain Airport Fundy Park (Alma) Normandin Roberval Airport L'Isle-aux-Grues Trois-Rivières Airport L'Assomption Île-d'Orléans - Quai de St-Jean Deschambault Beauport North Bay Airport Lake Nipissing - 45152 Bas Caraquet New Carlisle Montréal-Trudeau Int'l Airport Lac Memphrémagog Sainte-Anne-de-Bellevue Saint-Anicet Baie-Comeau Airport Lac Saint-Pierre Cap-Rouge Île Rouge Pointe de l'Islet Pointe Claveau Sept-Îles Airport Pointe-des-Monts North Cape Pointe-Noire Cap-d'Espoir Brier Island Yarmouth Airport Rivière-la-Madeleine St. Stephen Gaspé Airport Grand Manan Kouchibouguac Mont-Joli Airport Saint John Airport Miscou Island La Pocatière Greater Moncton Roméo LeBlanc Int'l Airport Point Lepreau
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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 1 November 2026 Today Tonight and Monday At 3:00 a.m. EST today ridge located on a line northwest-southeast
over Lake Ontario.
By 7:00 p.m. EST Monday ridge located on a line north-south
over Quebec.

At 1:00 a.m. EST Monday trough located from Labrador to Québec city.
By 1:00 p.m. EST Monday departing trough located from the Quebec
Lower North Shore to Lake Saint-Jean.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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