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East Scotian Slope - western half

Warnings

Forecast

Marine Forecast

Issued 03:30 PM AST 04 December 2025

Tonight and Friday.

Gale warning in effect.

Wind southwest 15 knots increasing to west 25 early this evening and to northwest 45 near midnight. Wind diminishing to northwest 35 early Friday morning and to northwesterly 20 Friday afternoon.

Showers changing to flurries Friday morning and ending near noon Friday.

Temperatures plus 6 falling to minus 2 Friday morning.

Waves

Issued 05:00 PM AST 04 December 2025
Tonight and Friday. Seas 2 to 3 metres building to 4 to 6 after midnight then subsiding to 3 to 4 Friday evening.

Extended Forecast

Issued 03:30 PM AST 04 December 2025
Saturday Wind northwest 20 knots diminishing to easterly 15 in the afternoon.
Sunday Wind northeasterly 15 knots diminishing to light.
Monday Wind light increasing to northwesterly 30 knots.

Ice Forecast

Issued 10:00 AM EST 4 December 2025 Today Tonight and Friday Ice free. 

[ Canadian Ice Service ]

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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 EST 4 December 2025 Today Tonight and Friday

Ice Edge

Ice edge estimated from Gaspe Peninsula near 4856N 6712W to 4956N
6635W to 4958N 6014W to Quebec near 5125N 5737W. Sea ice north of
the ice edge.

Ice Coverage

Ice free.

 

Iceberg Bulletin

Issued 1:30 PM EST 4 December 2025

Iceberg Limit

Iceberg limit at 0000 UTC 5 Dec estimated from Newfoundland near
4900N 5350W to 4900N 4815W to 5000N 4700W to 5100N 4730W to 5945N
5730W to 6120N 5340W then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

East Scotian Slope - western half

Issued 3:30 PM AST 04 December 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 3:30 PM AST 4 December 2025 Tonight and Friday At 3:30 p.m. AST today trough located from Labrador to Cape Cod.
By 3:00 a.m. AST Friday trough from 987 mb low located from the
Quebec Lower North Shore to Laurentian Fan.

At 3:30 p.m. AST Friday low 966 mb located east of Newfoundland.

At 3:30 p.m. AST Friday ridge located west of the Marine District.

Marine Weather Statement

Issued 3:17 PM AST 4 December 2025 An intensifying trough of low pressure approaching from the west will
move east to lie over the Gulf of St. Lawrence by evening, and east
of Newfoundland by Friday afternoon. Gale to storm force westerlies
will develop in the wake of the trough.

Marine interests are advised that storm warnings are in effect for
Banquereau, Cabot Strait, Gulf - Magdalen - northeastern half, and
Anticosti - southeastern half. Gale warnings are in effect for
remaining waters.

Marine interests are also advised that freezing spray warnings are in
effect for all waters except Georges Bank, West Scotian Slope, East
Scotian Slope, and Laurentian Fan.

Atlantic - Maritimes Area

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Marine Weather for Canada

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