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Northumberland Strait - western half

Warnings

Forecast

Marine Forecast

Issued 08:00 PM ADT 12 April 2026

Tonight and Monday.

Wind northwest 15 knots diminishing to light this evening then increasing to south 15 early Monday morning. Wind increasing to south 25 near noon Monday then diminishing to south 15 early Monday evening.

Showers Monday afternoon and evening. Fog patches forming Monday evening.

Temperatures near plus 1.

Extended Forecast

Issued 03:30 PM ADT 12 April 2026
Tuesday Wind variable 10 to 15 knots.
Wednesday Wind light becoming southeast 15 knots.
Thursday Wind light.

Ice Forecast

Issued 10:00 AM EDT 12 April 2026 Today Tonight and Monday Open water except 1 tenth first-year ice in the southeastern section. 9 tenths first-year ice along parts of the Prince Edward Island coast. Consolidated rotten first-year ice along parts of the coasts. 

[ 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 12 April 2026 Today Tonight and Monday

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 1 tenth first-year ice in the southeastern
section. 9 tenths first-year ice along parts of the Prince Edward
Island coast. Consolidated rotten first-year ice along parts of the
coasts.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 8:00 PM ADT 12 April 2026 Tonight and Monday At 8:00 p.m. ADT tonight departing low 991 mb located east of
Newfoundland.

At 8:00 p.m. ADT tonight ridge located west of the Marine District.
By 10:00 a.m. ADT Monday departing ridge located over the
southeastern Marine District.

At 8:00 p.m. ADT Monday approaching low 1000 mb located near the
St. Lawrence River.

Marine Weather Statement

Issued 7:36 PM ADT 12 April 2026 A low pressure system east of Newfoundland will pull away from the
marine district tonight. Strong to gale force northwesterlies over
eastern waters will diminish this evening.

Marine interests are advised that gale warnings are in effect for
Banquereau and Laurentian Fan.

Atlantic - Maritimes Area

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Marine Weather for Canada

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