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Northumberland Strait

Forecast

Marine Forecast

Issued 03:30 PM ADT 19 July 2025

Tonight and Sunday.

Wind light increasing to southwest 15 to 20 knots this evening then diminishing to southwest 10 to 15 Sunday morning. Wind increasing to south 15 to 20 Sunday evening.

Showers Sunday late in the day with a risk of thunderstorms.

Extended Forecast

Issued 03:30 PM ADT 19 July 2025
Monday Wind northwest 15 to 20 knots increasing to northwest 20 to 25 in the afternoon.
Tuesday Wind northwest 15 to 20 knots backing to west 10 to 15.
Wednesday Wind west 10 to 15 knots diminishing to light.

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Map of St. Lawrence - St. Lawrence River marine weather areas Cap-Chat Mont-Joli Airport Bathurst Airport Île Bicquette Charlo Port Menier Miramichi Pointe-au-Père Fundy Park (Alma) New Carlisle Grand Manan Bas Caraquet CFB Bagotville Jonquière Mistook Normandin Roberval Airport Deschambault Beauport North Bay Airport Trois-Rivières Airport Lake Nipissing - 45152 Kouchibouguac Baie-Comeau Airport Île d'Orléans Saint-Anicet Sainte-Anne-de-Bellevue Cap-Rouge Lac Memphrémagog Saint-Hubert Airport Montréal-Trudeau Int'l Airport Île Rouge Lac Saint-Pierre L'Isle-aux-Grues L'Assomption Pointe de l'Islet Pointe Claveau Sept-Îles Airport Pointe-des-Monts 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 Miscou Island Kouchibouguac La Pocatière
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land station Land Station
Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 26 May 2025 Forecasts have ended for the season.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:30 PM ADT 19 July 2025 Tonight and Sunday At 3:30 p.m. ADT today quasi-stationary ridge located over the
southern Marine District.

At 10:00 a.m. ADT Sunday trough located northwest of the Marine
District.
By 8:00 p.m. ADT Sunday trough located from the Gulf of St. Lawrence
to the Gulf of Maine.

St. Lawrence - St. Lawrence River Area

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