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Northumberland Strait - western half

Warnings

Forecast

Marine Forecast

Issued 03:00 AM ADT 21 September 2026

Today Tonight and Tuesday.

Wind southwest 15 knots diminishing to light early this morning then increasing to northwesterly 15 to 20 this afternoon. Wind becoming northerly 15 Tuesday morning then veering to northeast 10 to 15 Tuesday evening.

Scattered showers this afternoon and this evening.

Extended Forecast

Issued 03:00 AM ADT 21 September 2026
Wednesday Wind north 10 to 15 knots.
Thursday Wind light.
Friday Wind light becoming northeast 15 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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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 AM ADT 21 September 2026 Today Tonight and Tuesday At 3:00 a.m. ADT today trough located over the western Marine
District.
By 3:00 a.m. ADT Tuesday trough located from Newfoundland to
Laurentian Fan.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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