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Pointe-des-Monts to Anticosti - southern half

Warnings

Forecast

Marine Forecast

Issued 03:00 PM EDT 05 September 2026

Tonight and Sunday.

Wind east 10 to 15 knots becoming light early this evening then becoming northeast 15 late overnight. Wind diminishing to light near noon Sunday then becoming southwest 10 to 15 Sunday afternoon.

Waves

Issued 03:00 PM EDT 05 September 2026
Tonight and Sunday. Seas 1 metre or less.

Extended Forecast

Issued 06:00 PM EDT 05 September 2026
Monday Wind northwesterly 15 knots increasing to westerly 20 to 30 in the afternoon.
Tuesday Wind north 20 to 30 knots diminishing to northwesterly 10 to 15.
Wednesday Wind light increasing to south 20 to 30 knots 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

Ice Forecasts

Issued 10:00 AM EDT 19 May 2026 Forecasts have ended for the season.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 PM EDT 5 September 2026 Tonight and Sunday At 3:00 p.m. EDT today quasi-stationary low 996 mb located east
of Cape Breton Island.

At 3:00 p.m. EDT today quasi-stationary ridge located from Lake
Superior to Labrador.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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