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Northumberland Strait

Warnings

Forecast

Marine Forecast

Issued 08:00 PM ADT 17 October 2026

Tonight and Sunday.

Strong wind warning in effect.

Wind northwest 20 to 25 knots diminishing to west 15 near noon Sunday and to light Sunday evening.

Scattered showers ending after midnight.

Extended Forecast

Issued 03:30 PM ADT 17 October 2026
Monday Wind southwest 15 to 20 knots.
Tuesday Wind light becoming north 15 knots.
Wednesday Wind light.

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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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Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 19 May 2026 Forecasts have ended for the season.
Warnings

Warnings (In effect)

Strong wind warning in effect

Northumberland Strait

Issued 8:00 PM ADT 17 October 2026

'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.

Synopsis

Technical Marine Synopsis

Issued 8:00 PM ADT 17 October 2026 Tonight and Sunday At 8:00 p.m. ADT tonight departing low located northeast of
Newfoundland.

At 8:00 p.m. ADT tonight ridge located over New England.
By 8:00 p.m. ADT Sunday ridge located over the Maritimes.

Marine Weather Statement

Issued 7:34 PM ADT 17 October 2026 A low pressure system northeast of Newfoundland will depart tonight.
Strong to gale force northwesterlies will slowly diminish as a ridge
builds over New England.

Marine interests are advised that a gale warning is in effect for
Laurentian Fan - eastern half.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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