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Northumberland Strait - western half

Warnings

Forecast

Marine Forecast

Issued 03:30 PM AST 16 November 2025

Tonight and Monday.

Gale warning in effect.

Wind east 25 knots increasing to easterly 35 early this evening then diminishing to variable 15 to 20 late this evening. Wind increasing to southwesterly 25 Monday morning then veering to northwesterly 30 Monday afternoon.

Rain changing to scattered showers this evening.

Extended Forecast

Issued 03:30 PM AST 16 November 2025
Tuesday Wind southwest 25 knots.
Wednesday Wind west 20 to 25 knots diminishing to west 15.
Thursday 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 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 - western half

Issued 3:30 PM AST 16 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 3:30 PM AST 16 November 2025 Tonight and Monday At 3:30 p.m. AST today low 980 mb located over Grand Manan.
By 3:00 a.m. AST Monday low 974 mb located over the western Gulf
of St. Lawrence.

At 8:00 p.m. AST Monday departing low 978 mb located over southern
Labrador.

Marine Weather Statement

Issued 3:06 PM AST 16 November 2025 A low pressure system over Grand Manan will slowly track
northeastward tonight and Monday, moving into the Western Gulf of St.
Lawrence overnight and reaching Labrador by Monday evening.
Gale force east to southeast winds ahead of the low will diminish to
moderate to strong southwesterlies south of it. Winds will once again
increase to strong to gale force westerlies over most waters on
Monday in the wake of the low.

Marine interests are advised that gale warnings are in effect for all
waters except Fundy, Grand Manan, Lurcher and Browns Bank.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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