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Cabot Strait - northern half

Warnings

Forecast

Marine Forecast

Issued 08:00 PM ADT 17 August 2026

Tonight and Tuesday.

Strong wind warning in effect.

Wind southerly 20 to 25 knots with gusts to 35 in the Wreckhouse area. Wind becoming south 15 to 20 late overnight then increasing to south 20 to 25 early Tuesday evening.

Showers. Fog patches forming near noon Tuesday.

Waves

Issued 05:00 PM ADT 17 August 2026
Tonight and Tuesday. Seas 1 metre or less building to 1 to 2 Tuesday evening.

Extended Forecast

Issued 03:30 PM ADT 17 August 2026
Wednesday Wind southeast 25 to 30 knots.
Thursday Wind variable 10 to 15 knots.
Friday Wind light.

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Map of Atlantic - Maritimes marine weather areas Baie-Comeau Airport Halifax Harbour - 44258 West Chedabucto Bay – 44489 North Cape Winterland Branch Hill Summerside Wreckhouse East Scotia Slope - 44137 Stephenville St. Lawrence Burgeo Havre-Saint-Pierre Airport Île aux Perroquets Île Rouge Longue-Pointe-de-Mingan Banquereau - 44139 Sept-Îles Airport Port aux Basques LaHave Bank - 44150 Sagona Island Mont-Joli Airport Beaver Island Baccaro Point St. Stephen Rivière-la-Madeleine Saint John Airport Gaspé Airport Point Lepreau Greater Moncton Roméo LeBlanc Int'l Airport Îles de la Madeleine Airport Miscou Island La Pocatière Kouchibouguac Cap-d'Espoir Grand Manan New Carlisle Fundy Park (Alma) Pointe-au-Père Miramichi Port Menier Charlo Île Bicquette Bathurst Airport Cap-Chat Bas Caraquet East Chedabucto Bay – 44488 Nappan AAFC East Point Charlottetown Airport Yarmouth Airport Pointe-Noire Western Head Tracadie J.A. Douglas McCurdy Sydney Airport Shearwater Airport St.Paul Island Sable Island Parrsboro North Mountain Pointe-des-Monts 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.
 

Iceberg Bulletin

Issued 2:30 PM EDT 17 August 2026

Iceberg Limit

Iceberg limit at 0000 UTC 18 Aug estimated from Newfoundland near
4915N 5330W to 4940N 5320W to 5030N 5330W to 6000N 5600W to 6020N
5200W then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Strong wind warning in effect

Cabot Strait - northern half

Issued 8:00 PM ADT 17 August 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 8:00 PM ADT 17 August 2026 Tonight and Tuesday At 8:00 p.m. ADT tonight trough located from Quebec to Long Island.
By 3:00 a.m. ADT Tuesday weakening trough located from Labrador
to New England.

At 3:00 a.m. ADT Tuesday low 1011 mb located south of Cape Cod.
By 8:00 p.m. ADT Tuesday low 1008 mb located near Browns Bank.

At 8:00 p.m. ADT tonight quasi-stationary ridge located over the
southeastern Marine District.

Atlantic - Maritimes Area

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Marine Weather for Canada

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