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Northumberland Strait - western half

Warnings

Forecast

Marine Forecast

Issued 10:00 AM ADT 18 August 2026

Today Tonight and Wednesday.

Wind light becoming southwest 15 knots Wednesday evening.

Showers Wednesday evening. Fog patches dissipating Wednesday morning.

Extended Forecast

Issued 03:00 AM ADT 18 August 2026
Thursday Wind variable 10 to 15 knots diminishing to light in the afternoon.
Friday Wind light becoming southerly 15 knots late in the day.
Saturday Wind southwest 15 knots diminishing to 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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buoy Buoy
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 10:00 AM ADT 18 August 2026 Today Tonight and Wednesday At 10:00 a.m. ADT today trough located from Anticosti Island to
Browns Bank.
By 8:00 p.m. ADT tonight trough located from Labrador to Georges
Bank.

At 3:30 p.m. ADT Wednesday trough located from Anticosti Island
to East Scotian Slope.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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