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Cabot Strait - southern half

Warnings

Forecast

Marine Forecast

Issued 03:00 AM ADT 22 May 2026

Today Tonight and Saturday.

Strong wind warning in effect.

Wind westerly 15 to 20 knots veering to northwest 20 to 25 near midnight then diminishing to northwest 15 Saturday evening.

Waves

Issued 05:00 PM ADT 21 May 2026
Tonight and Friday. Seas 2 to 3 metres subsiding to 1 to 2 near midnight then building to 2 to 3 Friday evening.

Extended Forecast

Issued 03:00 AM ADT 22 May 2026
Sunday Wind northwest 20 knots.
Monday Wind light increasing to south 20 knots late in the day.
Tuesday Wind southeast 30 knots diminishing to east 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 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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land station Land Station
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 21 May 2026

Iceberg Limit

Iceberg limit at 0000 UTC 22 May estimated from Newfoundland near
4700N 5520W to 4440N 5120W to 4435N 4540W to 4845N 4335W to 5310N
4635W to 5550N 5010W to 5900N 5500W to 5955N 5310W to 5825N 4810W
then northeastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Strong wind warning in effect

Cabot Strait - southern half

Issued 03:00 AM ADT 22 May 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 22 May 2026 Today Tonight and Saturday At 3:00 a.m. ADT today ridge located from Quebec to Laurentian Fan.
By 3:30 p.m. ADT Saturday ridge located over the Maritimes.

Marine Weather Statement

Issued 2:31 AM ADT 22 May 2026 Gale force northwesterlies will reintensify over northern waters this
afternoon between a building ridge from the west and a low pressure
system well off to the northeast.

Marine interests are advised that gale warnings are in effect for
Cabot Strait - northern half, Gulf-Magdalen - northeastern half, and
Anticosti.

Atlantic - Maritimes Area

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Marine Weather for Canada

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