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Halifax Harbour and Approaches

Warnings

Forecast

Marine Forecast

Issued 08:00 PM ADT 11 March 2026

Tonight and Thursday.

Gale warning in effect.

Wind east 20 to 25 knots diminishing to southeast 15 near midnight then veering to southwest 20 early Thursday morning. Wind increasing to southwest 25 near noon Thursday except southwest 35 in the Approaches Thursday afternoon. Wind diminishing to west 15 Thursday evening.

Showers and fog patches overnight and Thursday.

Low tonight zero. High Thursday plus 6.

Extended Forecast

Issued 03:30 PM ADT 11 March 2026
Friday Wind west 25 to 35 knots diminishing to southwest 20 in the afternoon.
Saturday Wind south 35 knots veering to west 25 to 35.
Sunday Wind northwest 25 knots diminishing to light.

Ice Forecast

Issued 10:00 AM EDT 11 March 2026 Today Tonight and Thursday Open water. 

[ 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 11 March 2026 Today Tonight and Thursday

Ice Edge

Ice edge estimated from 4420N 6720W to 4430N 6635W to 4330N 6615W to
4315N 6515W to 4603N 5814W to 4722N 5805W to 4643N 5628W to
Newfoundland near 4640N 5530W. Sea ice north of the ice edge.

Ice Coverage

Open water.

Warnings

Warnings (In effect)

Gale warning in effect

Halifax Harbour and Approaches

Issued 8:00 PM ADT 11 March 2026

'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 8:00 PM ADT 11 March 2026 Tonight and Thursday At 8:00 p.m. ADT tonight departing ridge located from Labrador
to Newfoundland.

At 8:00 p.m. ADT tonight low 997 mb located over southern Ontario.

At 10:00 a.m. ADT Thursday low 990 mb located west of New Brunswick.
By 8:00 p.m. ADT Thursday low 991 mb located east of Anticosti
Island.

Marine Weather Statement

Issued 7:50 PM ADT 11 March 2026 A low pressure system will approach the marine district from the west
tonight and cross the Gulf of St. Lawrence on Thursday. Strong to
gale force southeasterlies will develop ahead of the low and shift to
strong northwesterlies in its wake.

Marine interests are advised that gale warnings are in effect for all
waters except for Fundy, Northumberland Strait, Gulf - Magdalen -
northwestern half, Chaleur - Miscou, and Anticosti - southern half.

Marine interests are also advised that freezing spray warnings are in
effect for all Gulf of St. Lawrence waters except Northumberland
Strait.

Atlantic - Maritimes Area

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Marine Weather for Canada

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