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Beauport to L'Isle-aux-Coudres

Forecast

Marine Forecast

Issued 03:00 PM EDT 15 September 2026

Tonight and Wednesday.

Strong wind warning in effect.

Wind southwest 10 to 15 knots increasing to southwest 15 to 25 late overnight then diminishing to light Wednesday evening.

Scattered showers tonight and Wednesday late in the day.

Extended Forecast

Issued 06:00 PM EDT 15 September 2026
Thursday Wind light.
Friday Wind southwest 15 knots veering to northwest 15.
Saturday 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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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 3:00 PM EDT 15 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 PM EDT 15 September 2026 Tonight and Wednesday At 3:00 p.m. EDT today quasi-stationary high 1029 mb located near
Cape Cod.

At 3:00 p.m. EDT today trough located on a line northeast-southwest
over Lake Michigan.
By 8:00 p.m. EDT Wednesday trough located on a line
northeast-southwest over the Gaspe Peninsula.

St. Lawrence - St. Lawrence River Area

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