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Northumberland Strait

Warnings

Forecast

Marine Forecast

Issued 03:30 PM ADT 18 July 2026

Tonight and Sunday.

Strong wind warning in effect.

Wind southwesterly 15 knots increasing to southeasterly 25 to 30 after midnight then diminishing to southwesterly 20 Sunday afternoon.

Rain overnight and Sunday.

Extended Forecast

Issued 03:30 PM ADT 18 July 2026
Monday Wind west 20 knots.
Tuesday Wind light becoming south 15 knots.
Wednesday Wind southerly 20 knots.

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Map of Atlantic - Maritimes marine weather areas East Scotia Slope - 44137 Cap-Chat Burgeo Île Bicquette New Carlisle Îles de la Madeleine Airport Port Menier Summerside North Cape Pointe-au-Père Mont-Joli Airport La Pocatière Wreckhouse Banquereau - 44139 Port aux Basques Sagona Island Gaspé Airport LaHave Bank - 44150 Halifax Harbour - 44258 St. Lawrence Stephenville Western Head Winterland Branch Hill Île aux Perroquets Beaver Island Baccaro Point St. Stephen Pointe-des-Monts Saint John Airport Sept-Îles Airport Point Lepreau Greater Moncton Roméo LeBlanc Int'l Airport Longue-Pointe-de-Mingan Miscou Island Île Rouge Kouchibouguac Pointe-Noire Kouchibouguac Havre-Saint-Pierre Airport Grand Manan Fundy Park (Alma) Miramichi Charlo West Chedabucto Bay – 44489 Bathurst Airport Baie-Comeau Airport Bas Caraquet East Chedabucto Bay – 44488 Nappan AAFC East Point Charlottetown Airport Yarmouth Airport Cap-d'Espoir Tracadie J.A. Douglas McCurdy Sydney Airport Shearwater Airport St.Paul Island Sable Island Parrsboro North Mountain Rivière-la-Madeleine McNabs Island Lunenburg Kentville AAFC Ingonish Beach Hart Island CFB Greenwood Grand Étang Eskasoni (First Nations) Debert Caribou Point Brier Island
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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 3:30 PM ADT 18 July 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 3:30 PM ADT 18 July 2026 Tonight and Sunday At 3:30 p.m. ADT today ridge located south of East Scotian Slope.
By 8:00 p.m. ADT tonight departing ridge located south of
Laurentian Fan.

At 3:30 p.m. ADT today low 997 mb located over southern Quebec.
By 3:30 p.m. ADT Sunday low 987 mb located over the Gaspe Peninsula.

Marine Weather Statement

Issued 3:10 PM ADT 18 July 2026 A low pressure system centered over Southern Quebec will move east to
lie over the Gaspé Peninsula by Sunday afternoon. Strong to gale
force south to southeasterlies are expected southeast of the low.

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

Atlantic - Maritimes Area

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Marine Weather for Canada

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