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Northumberland Strait

Warnings

Forecast

Marine Forecast

Issued 08:00 PM AST 14 November 2025

Tonight and Saturday.

Strong wind warning in effect.

Wind northwest 25 knots diminishing to southwest 15 Saturday afternoon.

Scattered showers or scattered flurries ending Saturday afternoon.

Extended Forecast

Issued 03:30 PM AST 14 November 2025
Sunday Wind southwest 20 knots increasing to southeast 35 in the morning then diminishing to variable 15 late in the day.
Monday Wind southwest 30 knots.
Tuesday Wind southwest 25 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 Montréal Metropolitain 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 8:00 PM AST 14 November 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 8:00 PM AST 14 November 2025 Tonight and Saturday At 8:00 p.m. AST tonight departing low 975 mb located northeast
of Banquereau.

At 10:00 a.m. AST Saturday ridge located over New England.
By 3:00 a.m. AST Sunday ridge located over the Maritimes.

Marine Weather Statement

Issued 7:50 PM AST 14 November 2025 An intense low pressure system northeast of Banquereau will continue
to track northward and away from the district tonight. Gale force
northwesterlies over some northern waters will diminish this evening
or overnight.

Marine interests are advised that gale warnings are in effect for
Banquereau, Cabot Strait - southern half, Gulf-Magdalen - eastern
half and Anticosti - eastern half.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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