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Northumberland Strait

Warnings

Forecast

Marine Forecast

Issued 10:00 AM ADT 10 July 2025

Today Tonight and Friday.

Strong wind warning in effect.

Wind light increasing to southeast 10 to 15 knots early this evening and to east 20 Friday afternoon. Wind diminishing to northeast 15 Friday evening.

Scattered showers Friday with a risk of thunderstorms.

Extended Forecast

Issued 03:00 AM ADT 10 July 2025
Saturday Wind northerly 10 to 15 knots diminishing to light late in the day.
Sunday Wind light.
Monday Wind southwest 10 to 15 knots.

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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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Ice Conditions

Ice Forecasts

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

Warnings (In effect)

Strong wind warning in effect

Northumberland Strait

Issued 10:00 AM ADT 10 July 2025

'Strong' winds of 20 to 33 knots are occurring or expected to occur in this marine area. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 10:00 AM ADT 10 July 2025 Today Tonight and Friday At 10:00 a.m. ADT today ridge located over the Maritimes.
By 3:00 a.m. ADT Friday departing ridge located east of the Marine
District.

At 3:30 p.m. ADT today low 1014 mb located near Cape Cod.
By 3:30 p.m. ADT Friday low 1013 mb located near Eastern Shore.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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