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Beauport to L'Isle-aux-Coudres

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 16 September 2026

Today Tonight and Thursday.

Strong wind warning in effect.

Wind southwest 10 to 15 knots increasing to southwest 15 to 25 this morning then diminishing to southwest 10 to 15 early this evening. Wind becoming light late this evening then becoming northeast 15 Thursday morning. Wind diminishing to light Thursday afternoon.

Scattered showers ending this morning. Scattered showers this afternoon and this evening.

Extended Forecast

Issued 06:00 AM EDT 16 September 2026
Friday Wind southwest 10 to 15 knots veering to northwest 15 in the morning.
Saturday Wind light.
Sunday 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 03:00 AM EDT 16 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 16 September 2026 Today Tonight and Thursday At 3:00 a.m. EDT today trough located on a line northeast-southwest
over Lake Huron.
By 8:00 a.m. EDT Thursday dissipating trough located on a line
northeast-southwest over Newfoundland.

At 3:00 a.m. EDT today high 1027 mb located over Manitoba.
By 8:00 p.m. EDT Thursday high 1020 mb located over the Gulf of
St. Lawrence.

At 8:00 p.m. EDT Thursday approaching trough located over James Bay.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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