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Northumberland Strait

Warnings

Forecast

Marine Forecast

Issued 03:00 AM ADT 15 July 2026

Today Tonight and Thursday.

Strong wind warning in effect.

Wind southwest 20 to 25 knots diminishing to westerly 15 early this morning then becoming variable 10 to 15 this afternoon. Wind becoming westerly 15 near midnight then increasing to west 20 to 25 Thursday evening.

Showers ending near midnight with a risk of thunderstorms. Showers Thursday late in the day with a risk of thunderstorms.

Extended Forecast

Issued 03:00 AM ADT 15 July 2026
Friday Wind westerly 15 to 20 knots.
Saturday Wind west 15 to 20 knots backing to southwest 10 to 15.
Sunday Wind southeast 20 knots becoming northerly 20.

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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 15 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 15 July 2026 Today Tonight and Thursday At 3:00 a.m. ADT today trough located from Anticosti Island to
New England.
By 3:00 a.m. ADT Thursday trough located east of the Marine
District.

At 10:00 a.m. ADT Thursday trough located over the St. Lawrence
River.
By 8:00 p.m. ADT Thursday trough located over the southern Marine
District.

Marine Weather Statement

Issued 2:34 AM ADT 15 July 2026 A trough of low pressure from Anticosti to New England will track
across the Maritimes today to lie east of the marine district
overnight. Strong to gale force southerly winds ahead of the trough
will shift to moderate to strong westerlies in its wake.

Marine interests are advised that gale warnings are in effect for
East Scotian Slope - southeastern half, Banquereau, and Laurentian
Fan.

Atlantic - Maritimes Area

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Marine Weather for Canada

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