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Halifax Harbour and Approaches

Warnings

Forecast

Marine Forecast

Issued 08:00 PM ADT 18 April 2026

Tonight and Sunday.

Strong wind warning in effect.

Wind east 20 to 25 knots diminishing to east 15 late overnight then increasing to south 20 Sunday morning. Wind diminishing to south 15 Sunday afternoon.

Showers overnight and Sunday. Fog patches forming this evening.

Low tonight plus 3. High Sunday plus 9.

Extended Forecast

Issued 03:30 PM ADT 18 April 2026
Monday Wind westerly 20 to 25 knots diminishing to northwest 15 in the afternoon.
Tuesday Wind variable 10 to 15 knots increasing to northeast 15 to 20.
Wednesday Wind light increasing to westerly 15 to 20 knots.

Ice Forecast

Issued 10:00 AM EDT 18 April 2026 Today Tonight and Sunday 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 18 April 2026 Today Tonight and Sunday

Ice Edge

First ice edge estimated from Cape Breton Island near 4702N 6025W to
4745N 6115W to Gaspe Peninsula near 4846N 6410W. Sea ice southwest
of the ice edge.

Second ice edge estimated from Quebec near 4838N 6811W to 5005N
6600W to 4945N 6015W to Newfoundland near 4806N 5905W. Sea ice north
of the ice edge.

Ice Coverage

Ice free.

Warnings

Warnings (In effect)

Strong wind warning in effect

Halifax Harbour and Approaches

Issued 8:00 PM ADT 18 April 2026

'Strong' winds of 20 to 33 knots are occurring or expected to occur in this marine area. 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 3:00 AM ADT 19 April 2026 Today Tonight and Monday At 10:00 a.m. ADT today trough located from Quebec to New England.
By 8:00 p.m. ADT Monday trough located from Newfoundland to
Laurentian Fan.

At 8:00 p.m. ADT Monday ridge located over the western Marine
District.

Marine Weather Statement

Issued 7:48 PM ADT 18 April 2026 A trough of low pressure extending from a low over Northern Quebec
will slowly approach the marine district tonight and Sunday.
Increasing southerly winds will reach strong to gale force across the
region ahead of the trough on Sunday.

Marine interests are advised that a gale warning is in effect for
Cabot Strait - northern half.

Atlantic - Maritimes Area

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Marine Weather for Canada

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