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Northumberland Strait

Warnings

Forecast

Marine Forecast

Issued 03:00 AM ADT 20 July 2026

Today Tonight and Tuesday.

Strong wind warning in effect.

Wind westerly 20 to 25 knots diminishing to west 15 this morning and to light early this evening. Wind increasing to southwest 10 to 15 overnight and to southerly 15 to 20 Tuesday evening.

Extended Forecast

Issued 03:00 AM ADT 20 July 2026
Wednesday Wind southeasterly 25 knots.
Thursday Wind southwesterly 15 to 20 knots.
Friday Wind southwesterly 15 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 03:00 AM ADT 20 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 3:00 AM ADT 20 July 2026 Today Tonight and Tuesday At 3:00 a.m. ADT today departing low 988 mb located north of
Anticosti Island.

At 10:00 a.m. ADT today ridge located southwest of the Marine
District.
By 10:00 a.m. ADT Tuesday ridge located over the southern Marine
District.

At 8:00 p.m. ADT Tuesday approaching trough located over New
England.

Marine Weather Statement

Issued 7:50 PM ADT 19 July 2026 Marine interests are advised that all gale warnings have ended.

Atlantic - Maritimes Area

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Marine Weather for Canada

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