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Donnacona to Beauport

Forecast

Marine Forecast

Issued 03:00 PM EST 05 November 2026

Tonight and Friday.

Wind light increasing to northeast 15 to 20 knots Friday evening.

Scattered showers and fog banks ending Friday morning.

Extended Forecast

Issued 06:00 AM EST 05 November 2026
Saturday Wind northeast 15 to 20 knots.
Sunday Wind light becoming southwest 10 to 15 knots.
Monday Wind light becoming west 15 knots late in the day.

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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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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 5 November 2026 Tonight and Friday At 3:00 p.m. EST today cold front located over western Quebec.
By 7:00 p.m. EST Friday cold front located over the Strait of
Belle Isle.

At 3:00 p.m. EST today high 1024 mb located over northwestern
Ontario.
By 7:00 p.m. EST Friday high 1028 mb located over northern Quebec.

At midnight EST tonight low 1006 mb located over Lake Huron.
By 7:00 p.m. EST Friday low 1014 mb located over southern Ontario.

St. Lawrence - St. Lawrence River Area

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