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Pointe-des-Monts to Anticosti - northern half

Warnings

Forecast

Marine Forecast

Issued 03:00 PM EDT 20 September 2026

Tonight and Monday.

Wind light becoming west 15 knots near noon Monday.

Showers ending Monday afternoon.

Waves

Issued 03:00 PM EDT 20 September 2026
Tonight and Monday. Seas 1 metre or less.

Extended Forecast

Issued 06:00 PM EDT 20 September 2026
Tuesday Wind northwest 15 knots.
Wednesday Wind westerly 15 knots increasing to southwest 15 to 25.
Thursday Wind southwest 15 to 20 knots.

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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

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 20 September 2026 Tonight and Monday At 3:00 p.m. EDT today trough located on a line northeast-southwest
over western Lake Saint-Jean.
By 8:00 p.m. EDT Monday departing trough located on a line
northeast-southwest over Newfoundland.

At 3:00 p.m. EDT today high 1028 mb located over Ontario.
By 8:00 p.m. EDT Monday high 1036 mb located over Quebec.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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