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Northumberland Strait - eastern half

Warnings

Forecast

Marine Forecast

Issued 03:00 AM AST 06 December 2025

Today Tonight and Sunday.

Wind west 15 to 20 knots diminishing to light this morning then increasing to southerly 10 to 15 this evening. Wind veering to west 15 to 20 Sunday morning then to northwest 15 Sunday evening.

Scattered flurries tonight and Sunday morning. Visibility 1 mile or less in flurries.

Temperatures minus 6 rising to plus 1 near midnight.

Extended Forecast

Issued 03:00 AM AST 06 December 2025
Monday Wind northwest 15 knots increasing to northwest 30 in the afternoon.
Tuesday Wind west 20 to 25 knots diminishing to west 15.
Wednesday Wind southwest 20 knots diminishing to light.

Ice Forecast

Issued 10:00 AM EST 5 December 2025 Today Tonight and Saturday Open water. 

[ 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 5 December 2025 Today Tonight and Saturday

Ice Edge

First ice edge estimated from New Brunswick near 4705N 6450W to
4758N 6416W to Gaspe Peninsula near 4830N 6413W. Sea ice east of the
ice edge.

Second 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

Open water.

Warnings

Warnings (Ended)

Freezing spray warning ended

Northumberland Strait - eastern half

Issued 03:00 AM AST 06 December 2025
Synopsis

Technical Marine Synopsis

Issued 3:00 AM AST 6 December 2025 Today Tonight and Sunday At 3:00 a.m. AST today departing low 960 mb located northeast
of Newfoundland.

At 3:00 a.m. AST Sunday low 1004 mb located near the St. Lawrence
River.
By 3:30 p.m. AST Sunday low 1000 mb located over the northeastern
Gulf of St. Lawrence.

At 3:00 a.m. AST today ridge located over the western Marine
District.
By 8:00 p.m. AST tonight ridge located over the eastern Marine
District.

Marine Weather Statement

Issued 2:48 AM AST 6 December 2025 An intense low pressure system northeast of Newfoundland will
continue to move eastward, farther away from the marine district
today. A ridge of high pressure over western waters will move to lie
over the eastern marine district by this evening. Gale force
northwesterlies over eastern waters will diminish today.

Marine interests are advised that gale warnings are in effect for
Laurentian Fan - northeastern half, Banquereau and Cabot Strait.

Marine interests are also advised that freezing spray warnings are in
effect for Cabot Strait, Gulf-Magdalen, Chaleur-Miscou and Anticosti.

Atlantic - Maritimes Area

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Marine Weather for Canada

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