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Northumberland Strait

Warnings

Forecast

Marine Forecast

Issued 08:00 PM AST 13 November 2025

Tonight and Friday.

Strong wind warning in effect.

Wind northeast 15 to 20 knots increasing to northeast 25 to 30 near midnight then backing to northwest 25 Friday afternoon.

Rain.

Extended Forecast

Issued 03:30 PM AST 13 November 2025
Saturday Wind northwest 30 knots diminishing to west 20 in the afternoon.
Sunday Wind southwest 20 knots increasing to southeast 30.
Monday Wind southeast 30 knots veering to southwest 25.

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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 13 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 13 November 2025 Tonight and Friday At 8:00 p.m. AST tonight low 990 mb located over Banquereau.
By 3:00 a.m. AST Friday low 989 mb located over Newfoundland.

At 3:00 a.m. AST Friday approaching low 998 mb located south of
Laurentian Fan.

Marine Weather Statement

Issued 7:51 PM AST 13 November 2025 A low pressure system over Banquereau will track northeastward to lie
over Newfoundland tonight. Strong to gale force winds in the vicinity
of the low will diminish tonight as the low pulls away.

Marine interests are advised that gale warnings are in effect for
Banquereau and Laurentian Fan - eastern half.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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