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Cabot Strait - southern half

Forecast

Marine Forecast

Issued 03:00 AM ADT 17 April 2026

Today Tonight and Saturday.

Strong wind warning in effect.

Wind southerly 15 knots veering to westerly 10 to 15 this morning then increasing to north 20 early this evening. Wind diminishing to north 15 near midnight then veering to easterly 15 Saturday morning.

Showers ending this morning. Fog patches dissipating this evening.

Temperatures near plus 1.

Waves

Issued 05:00 AM ADT 17 April 2026
Today Tonight and Saturday. Seas 1 to 2 metres subsiding to 1 or less this morning then building to 1 to 2 early this evening. Seas subsiding to 1 or less near noon Saturday.

Extended Forecast

Issued 03:00 AM ADT 17 April 2026
Sunday Wind southeast 30 knots.
Monday Wind south 25 knots diminishing to northwest 20.
Tuesday Wind north 25 knots.

Ice Forecast

Issued 10:00 AM EDT 16 April 2026 Today Tonight and Friday Open water. Consolidated rotten grey-white ice in a few sheltered bays. 

[ 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 16 April 2026 Today Tonight and Friday

Ice Edge

First ice edge estimated from Cape Breton Island near 4621N 6025W to
4655N 6008W to 4742N 6124W to Gaspe Peninsula near 4846N 6410W. Sea
ice southwest of the ice edge.

Second ice edge estimated from Quebec near 4845N 6751W to 5005N
6507W to 4957N 6018W to Newfoundland near 4806N 5905W. Sea ice north
of the ice edge.

Ice Coverage

Open water. Consolidated rotten grey-white ice in a few sheltered
bays.

 

Iceberg Bulletin

Issued 2:30 PM EDT 16 April 2026

Iceberg Limit

Iceberg limit at 0000 UTC 17 Apr estimated from Newfoundland near
4655N 5400W to 4500N 5200W to 4450N 4700W to 4630N 4415W to 5000N
4425W to 5305N 4755W to 5900N 5500W to 6015N 5245W to 5735N 4735W
then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Strong wind warning in effect

Cabot Strait - southern half

Issued 05:58 AM ADT 17 April 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 or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM ADT 17 April 2026 Today Tonight and Saturday At 3:00 a.m. ADT today trough located over the Marine District.
By 8:00 p.m. ADT tonight trough located east of Newfoundland.

At 8:00 p.m. ADT tonight quasi-stationary low 1012 mb located
southwest of Georges Bank.

At 8:00 p.m. ADT tonight ridge located over Quebec.
By 8:00 p.m. ADT Saturday ridge located east of the Avalon
Peninsula.

Atlantic - Maritimes Area

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