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Northumberland Strait

Warnings

Forecast

Marine Forecast

Issued 10:00 AM AST 10 November 2025

Today Tonight and Tuesday.

Gale warning in effect.

Wind southeast 25 knots increasing to southeast 35 late this afternoon then diminishing to southwest 25 late overnight. Wind diminishing to southwest 15 Tuesday afternoon then increasing to west 25 Tuesday evening.

Scattered showers. Risk of thunderstorms late this afternoon and this evening. Fog patches forming this evening and dissipating Tuesday afternoon.

Extended Forecast

Issued 03:00 AM AST 10 November 2025
Wednesday Wind west 30 knots diminishing to southwest 20 in the afternoon.
Thursday Wind light becoming north 15 knots late in the day.
Friday Wind north 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 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)

Gale warning in effect

Northumberland Strait

Issued 10:00 AM AST 10 November 2025

'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. 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 AST 10 November 2025 Today Tonight and Tuesday At 10:00 a.m. AST today trough located over New England.
By 3:00 a.m. AST Tuesday trough located from the Gaspe Peninsula
to West Scotian Slope.

At 10:00 a.m. AST today ridge located over the eastern Marine
District.
By 3:30 p.m. AST today departing ridge located east of the Marine
District.

Marine Weather Statement

Issued 9:49 AM AST 10 November 2025 A trough of low pressure will continue to approach from the west this
morning to lie over New Brunswick tonight. Gale to storm force south
to southeast winds are expected today and Tuesday ahead of the
trough, with strong to gale force westerlies developing in its wake.

Marine interests are advised that a storm warning is in effect for
Laurentian Fan - eastern half, gale warnings are in effect for all
remaining waters except Fundy, Lurcher, and Browns Bank.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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