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Beauport to L'Isle-aux-Coudres

Forecast

Marine Forecast

Issued 03:00 AM EDT 11 October 2026

Today Tonight and Monday.

Gale warning in effect.

Wind southwest 10 to 20 knots increasing to southwest 20 to 30 this morning then becoming southwest 25 to 35 this afternoon. Wind diminishing to southwest 15 to 25 late this evening then increasing to northeast 25 to 35 near noon Monday. Wind diminishing to northeast 20 to 25 Monday evening.

Periods of rain Monday afternoon.

Extended Forecast

Issued 06:00 PM EDT 10 October 2026
Monday Wind southwest 15 to 25 knots increasing to northeast 25 to 35 in the afternoon then diminishing to northeast 15 to 25 late in the day.
Tuesday Wind northeast 15 to 25 knots.
Wednesday Wind northeast 15 to 25 knots diminishing to light late in the day.

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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)

Gale warning in effect

Beauport to L'Isle-aux-Coudres

Issued 03:00 AM EDT 11 October 2026

'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. 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 11 October 2026 Today Tonight and Monday At 3:00 a.m. EDT today ridge located on a line north-south over
Rivière-du-Loup.
By 3:00 p.m. EDT today weakening ridge located on a line north-south
over Nova Scotia.

At 3:00 p.m. EDT today ridge located from Labrador to Lake Superior.
By 8:00 p.m. EDT Monday trough located on a line east-west over
Cornwall.

At 3:00 a.m. EDT Monday ridge located from Hudson Bay to Labrador.
By 8:00 p.m. EDT Monday ridge located from Hudson Bay to New
Brunswick.

St. Lawrence - St. Lawrence River Area

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