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Cabot Strait

Warnings

Forecast

Marine Forecast

Issued 03:00 AM AST 18 November 2025

Today Tonight and Wednesday.

Wind southwest 25 knots veering to west 20 Wednesday morning.

Scattered showers ending after midnight.

Waves

Issued 05:00 PM AST 17 November 2025
Tonight and Tuesday. Seas 3 to 5 metres subsiding to 2 to 3 Tuesday morning.

Extended Forecast

Issued 03:00 AM AST 18 November 2025
Thursday Wind west 15 knots diminishing to light in the afternoon.
Friday Wind southeast 15 knots increasing to southeast 25 late in the day.
Saturday Wind southeast 30 knots diminishing to west 20 late in the day.

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

Ice Forecasts

Issued 10:00 AM EDT 26 May 2025 Forecasts have ended for the season.
 

Iceberg Bulletin

Issued 1:30 PM EST 17 November 2025

Iceberg Limit

Iceberg limit at 0000 UTC 18 Nov estimated from Newfoundland near
5009N 5609W to 5015N 5030W to 5100N 4915W to 5445N 5030W to 5945N
5730W to 6100N 5310W to 6000N 4940W then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (Ended)

Gale warning ended

Cabot Strait

Issued 03:00 AM AST 18 November 2025
Synopsis

Technical Marine Synopsis

Issued 3:00 AM AST 18 November 2025 Today Tonight and Wednesday At 3:00 a.m. AST today low 978 mb located over Labrador.
By 3:00 a.m. AST Wednesday low 983 mb located over Labrador.

At 8:00 p.m. AST Wednesday departing low 989 mb located north
of Labrador.

At 8:00 p.m. AST Wednesday approaching ridge located over New
England.

Marine Weather Statement

Issued 2:46 AM AST 18 November 2025 A low pressure system over Labrador will move very slowly north today
and Wednesday. Strong to gale force westerly winds are expected to
persist over Anticosti in the wake of the low.

Marine interests are advised that a gale warning is in effect for
Anticosti - western half.

Atlantic - Maritimes Area

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Marine Weather for Canada

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