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Cabot Strait - northern half

Warnings

Forecast

Marine Forecast

Issued 08:00 PM AST 11 November 2025

Tonight and Wednesday.

Gale warning in effect.

Wind southeast 25 knots except southeast 45 in the Wreckhouse area. Wind becoming southeast 35 late this evening with gusts to 55 in the Wreckhouse area. Wind becoming west 45 after midnight then backing to southwest 35 late overnight. Wind diminishing to southwest 25 Wednesday afternoon.

Periods of rain. Fog patches dissipating near midnight.

Waves

Issued 05:00 PM AST 11 November 2025
Tonight and Wednesday. Seas 2 to 3 metres building to 3 to 4 early Wednesday morning.

Extended Forecast

Issued 03:30 PM AST 11 November 2025
Thursday Wind light increasing to northeast 25 knots in the afternoon.
Friday Wind north 20 knots.
Saturday Wind west 15 knots diminishing to light.

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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 11 November 2025

Iceberg Limit

Iceberg limit at 0000 UTC 12 Nov estimated from Newfoundland near
5026N 5623W to 5000N 4915W to 5045N 4745W to 5315N 4900W to 5945N
5730W to 6055N 5315W to 5950N 4955W then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

Cabot Strait - northern half

Issued 8:00 PM AST 11 November 2025

'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. 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 8:00 PM AST 11 November 2025 Tonight and Wednesday At 8:00 p.m. AST tonight departing low 984 mb located over western
Labrador.

At 8:00 p.m. AST tonight trough from low located from Anticosti
Island to East Scotian Slope.
By 3:00 a.m. AST Wednesday trough located from Labrador to the
Grand Banks.

Marine Weather Statement

Issued 7:40 PM AST 11 November 2025 A departing low pressure system over Western Labrador, with an
intense trough to the south, will continue to track northeasterly as
the intensifying trough pushes eastward over the slope waters this
evening. Gale to storm force southerlies ahead of the trough, with
gale to storm force westerlies briefly developing in its wake.

Marine interests are advised that storm warnings are in effect for
eastern shore - eastern half, Sable - eastern half, East Scotian
Slope - eastern half, Fourchu, Banquereau - western half and
Laurentian Fan. Gale warnings are in effect for all remaining waters
except Fundy and Grand Manan.

Atlantic - Maritimes Area

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Marine Weather for Canada

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