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Halifax Harbour and Approaches

Warnings

Forecast

Marine Forecast

Issued 08:00 PM ADT 12 May 2026

Tonight and Wednesday.

Wind westerly 10 to 15 knots increasing to southwest 15 to 20 Wednesday afternoon.

Low tonight plus 4. High Wednesday plus 12.

Extended Forecast

Issued 03:30 PM ADT 12 May 2026
Thursday Wind south 15 knots increasing to easterly 25 in the afternoon.
Friday Wind northeast 25 to 30 knots diminishing to east 15.
Saturday Wind westerly 15 to 20 knots.

Ice Forecast

Issued 10:00 AM EDT 12 May 2026 Today Tonight and Wednesday Ice free. 

[ Canadian Ice Service ]

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

Ice Forecasts

Issued 10:00 AM EDT 12 May 2026 Today Tonight and Wednesday

Ice Edge

Ice edge estimated from Quebec near 5016N 6251W to 4956N 6207W to
4956N 5959W to 5116N 5738W to Quebec near 5125N 5736W. Sea ice north
of the ice edge.

Ice Coverage

Ice free.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 8:00 PM ADT 12 May 2026 Tonight and Wednesday At 8:00 p.m. ADT tonight deepening low 998 mb located over southern
Newfoundland.
By 3:30 p.m. ADT Wednesday departing low 987 mb located north
of Newfoundland.

At 8:00 p.m. ADT tonight ridge located west of the Marine District.
By 8:00 p.m. ADT Wednesday ridge located from the Gaspe Peninsula
to West Scotian Slope.

Marine Weather Statement

Issued 7:51 PM ADT 12 May 2026 A deepening low pressure system approaching Southern Newfoundland
will move northeast to lie north of Newfoundland by Wednesday
afternoon. Strong to gale force west to northwesterlies will develop
this evening in the wake of the low.

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

Atlantic - Maritimes Area

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Marine Weather for Canada

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