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Beauport to L'Isle-aux-Coudres

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 04 September 2026

Today Tonight and Saturday.

Strong wind warning in effect.

Wind light increasing to northeast 10 to 15 knots near noon and to northeast 15 to 25 early this evening. Wind increasing to northeast 25 to 30 near noon Saturday.

Scattered showers. Risk of thunderstorms this afternoon and this evening. Fog banks dissipating this morning.

Extended Forecast

Issued 06:00 AM EDT 04 September 2026
Sunday Wind northeast 10 to 15 knots becoming light in the morning.
Monday Wind light becoming southwest 15 knots.
Tuesday Wind light.

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Map of St. Lawrence - St. Lawrence River marine weather areas Grand Manan New Carlisle Pointe-au-Père Fundy Park (Alma) Port Menier Miramichi Île Bicquette Charlo Cap-Chat Bathurst Airport CFB Bagotville Jonquière Mistook Normandin Roberval Airport Île-d'Orléans - Quai de St-Jean Deschambault North Bay Airport Beauport L'Isle-aux-Grues Bas Caraquet Lake Nipissing - 45152 Pointe-des-Monts L'Assomption Baie-Comeau Airport Saint-Anicet Cap-Rouge Sainte-Anne-de-Bellevue Lac Memphrémagog Montréal Metropolitain Airport Île Rouge Montréal-Trudeau Int'l Airport Lac Saint-Pierre Trois-Rivières Airport Pointe de l'Islet Pointe Claveau Sept-Îles Airport Kouchibouguac 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 La Pocatière Miscou Island Mont-Joli Airport
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land station Land Station
Ice Conditions

There is no ice forecast issued for this area.

Warnings

Warnings (In effect)

Strong wind warning in effect

Beauport to L'Isle-aux-Coudres

Issued 03:00 AM EDT 04 September 2026

'Strong' winds of 20 to 33 knots are occurring or expected to occur in this marine area. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 4 September 2026 Today Tonight and Saturday At 3:00 a.m. EDT today building low 1009 mb located over the Gulf
of Maine.
By 8:00 p.m. EDT Saturday low 995 mb located near Sable Island.

At 3:00 a.m. EDT today trough from low located on a line
northwest-southeast over Québec city.
By 8:00 p.m. EDT Saturday trough from low located on a line
northwest-southeast over Cornwall.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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