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Northumberland Strait

Warnings

Forecast

Marine Forecast

Issued 03:30 PM ADT 13 April 2026

Tonight and Tuesday.

Wind southerly 20 to 25 knots diminishing to southwest 15 near midnight then veering to northwest 15 early Tuesday morning. Wind diminishing to light Tuesday afternoon then becoming east 15 Tuesday evening except light over eastern sections.

Periods of rain ending Tuesday morning. Fog patches dissipating near noon Tuesday.

Extended Forecast

Issued 03:30 PM ADT 13 April 2026
Wednesday Wind northeast 15 to 20 knots veering to southeast 20 in the afternoon.
Thursday Wind variable 10 to 15 knots.
Friday Wind south 30 knots diminishing to northwest 25.

Ice Forecast

Issued 10:00 AM EDT 13 April 2026 Today Tonight and Tuesday Open water except 7 tenths first-year ice along parts of the Prince Edward Island coast in the western section. Consolidated rotten first-year ice along parts of the Prince Edward Island coast. 

[ Canadian Ice Service ]

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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 Airport 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 13 April 2026 Today Tonight and Tuesday

Ice Edge

Ice edge estimated from Cape Breton Island near 4607N 5949W to 4631N
5919W to 4844N 6156W to 4919N 6025W to Newfoundland near 4753N
5924W. Sea ice west then northeast of the ice edge.

Ice Coverage

Open water except 7 tenths first-year ice along parts of the Prince
Edward Island coast in the western section. Consolidated rotten
first-year ice along parts of the Prince Edward Island coast.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:30 PM ADT 13 April 2026 Tonight and Tuesday At 3:30 p.m. ADT today low 1000 mb located near the St. Lawrence
River.
By 10:00 a.m. ADT Tuesday departing low 1002 mb located over the
Avalon Peninsula.

At 10:00 a.m. ADT Tuesday ridge located west of the Marine District.
By 8:00 p.m. ADT Tuesday ridge located over the central Marine
District.

Marine Weather Statement

Issued 3:11 PM ADT 13 April 2026 A low pressure system will cross the northern marine district tonight
and Tuesday morning. Strong to gale force southwesterlies will
develop today over the entire district, with winds diminishing to
moderate to strong west to northwest winds in the wake of the low.

Marine interests are advised that gale warnings are in effect for
Georges Bank, West Scotian Slope, East Scotian Slope and Laurentian
Fan.

Atlantic - Maritimes Area

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Marine Weather for Canada

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