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Cabot Strait

Warnings

Forecast

Marine Forecast

Issued 03:00 AM ADT 20 October 2026

Today Tonight and Wednesday.

Strong wind warning in effect.

Wind southwest 15 knots veering to northwest 10 to 15 this morning then increasing to north 20 early this evening. Wind diminishing to north 10 to 15 Wednesday morning and to light near noon Wednesday.

Waves

Issued 05:00 AM ADT 20 October 2026
Today Tonight and Wednesday. Seas 1 metre.

Extended Forecast

Issued 03:00 AM ADT 20 October 2026
Thursday Wind light increasing to northerly 20 knots in the afternoon.
Friday Wind north 35 knots diminishing to northwest 20.
Saturday Wind northwest 20 knots.

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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 19 October 2026

Iceberg Limit

Iceberg limit at 0000 UTC 20 Oct estimated from Newfoundland near
4800N 5341W to 4830N 5200W to 5145N 4930W to 6000N 5800W to 6125N
5445W to 5845N 4530W then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Strong wind warning in effect

Cabot Strait

Issued 03:00 AM ADT 20 October 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 3:00 AM ADT 20 October 2026 Today Tonight and Wednesday At 3:00 a.m. ADT today trough from low located on a line east-west
over the southern Marine District.
By 3:00 a.m. ADT Wednesday trough from low located south of the
Marine District.

At 3:00 a.m. ADT Wednesday high located over southern Quebec.
By 8:00 p.m. ADT Wednesday ridge located over Newfoundland.

Marine Weather Statement

Issued 2:47 AM ADT 20 October 2026 A trough of low pressure extending northeastward from a low east of
Cape Hatteras is forecast to approach this morning then stall giving
strong to gale force northeasterlies to southern waters today and
Wednesday.

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

Atlantic - Maritimes Area

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Marine Weather for Canada

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