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Northumberland Strait

Forecast

Marine Forecast

Issued 03:30 PM ADT 22 September 2026

Tonight and Wednesday.

Wind northwesterly 15 to 20 knots diminishing to light near midnight. Wind light Wednesday.

Extended Forecast

Issued 03:30 PM ADT 22 September 2026
Thursday Wind light.
Friday Wind light becoming northeast 15 knots late in the day.
Saturday Wind northeast 15 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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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 3:30 PM ADT 22 September 2026 Tonight and Wednesday At 3:30 p.m. ADT today quasi-stationary ridge located over the
Maritimes extending eastward.

At 3:30 p.m. ADT today quasi-stationary low 1010 mb located east
of Cape Hatteras.

St. Lawrence - St. Lawrence River Area

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