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Halifax Harbour and Approaches

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Forecast

Marine Forecast

Issued 10:00 AM AST 11 December 2025

Today Tonight and Friday.

Wind southwesterly 25 knots veering to west 25 near midnight with gusts to 35 in the Approaches overnight and Friday.

Showers this morning.

Temperatures plus 9 falling to minus 3 Friday morning.

Extended Forecast

Issued 03:00 AM AST 11 December 2025
Saturday Wind west 30 knots diminishing to southwest 20 in the afternoon.
Sunday Wind southwest 20 knots increasing to west 30 late in the day.
Monday Wind northwest 35 knots.

Ice Forecast

Issued 10:00 AM EST 11 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 11 December 2025 Today Tonight and Friday

Ice Edge

First ice edge estimated from 4723N 6136W to 4738N 6112W to 4744N
6124W to 4734N 6159W to 4706N 6212W to 4706N 6147W to 4723N 6136W.
Sea ice within the ice edge.

Second ice edge estimated from Nova Scotia near 4551N 6201W to
Prince Edward Island near 4621N 6211W. Sea ice west of the ice edge.

Third ice edge estimated from Prince Edward Island near 4628N 6231W
to 4640N 6329W to 4736N 6409W to 4904N 6404W to 4925N 6516W to 4916N
6703W to 4956N 6635W to Anticosti Island near 4924N 6336W. Sea ice
west then north of the ice edge.

Fourth ice edge estimated from Anticosti Island near 4945N 6301W to
4946N 5954W to 5106N 5804W to Newfoundland near 5029N 5728W. Sea ice
north of the ice edge.

Ice Coverage

Ice free.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:00 AM AST 11 December 2025 Today Tonight and Friday At 10:00 a.m. AST today trough located on a line northeast-southwest
over East Scotian Slope.
By 8:00 p.m. AST tonight departing trough located over the Grand
Banks.

At 10:00 a.m. AST today low 989 mb located near the Gaspe Peninsula.
By 3:30 p.m. AST today low 980 mb located over the northern Gulf
of St. Lawrence.

At 8:00 p.m. AST Friday departing low 968 mb located over Labrador
Sea.

Marine Weather Statement

Issued 9:49 AM AST 11 December 2025 A trough of low pressure is tracking across southern waters today to
lie over the Grand Banks by this evening. Strong to gale force
southerly winds are forecast ahead of this feature.

A low pressure system near the Gaspé Peninsula will continue slowly
moving north-northeastward to lie over the Northern Gulf of St.
Lawrence waters by this afternoon. Strong to gale force easterly
winds are occurring ahead of the low. Strong to gale force westerly
winds will develop south of the low late in the day today. On Friday,
westerly winds will approach storm force strength over southern
waters. Winds will begin to diminish Friday night as the low departs
the region to the northeast.

Marine interests are advised that gale warnings are in effect for all
waters.

Additionally, freezing spray warnings are in effect for Fundy, Grand
Manan, Northumberland Strait, Chaleur-Miscou and Anticosti -
northwestern half.

Atlantic - Maritimes Area

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Marine Weather for Canada

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