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Halifax Harbour and Approaches

Warnings

Forecast

Marine Forecast

Issued 03:00 AM ADT 20 July 2025

Today Tonight and Monday.

Strong wind warning in effect.

Wind southwest 10 to 15 knots increasing to southwest 15 to 20 early this evening then diminishing to light after midnight. Wind increasing to west 15 near noon Monday and to northwest 20 to 25 Monday evening.

Scattered showers overnight and Monday. Fog patches forming near midnight and dissipating Monday morning.

High today plus 21. Low tonight plus 16. High Monday plus 23.

Extended Forecast

Issued 03:00 AM ADT 20 July 2025
Tuesday Wind northwest 15 knots backing to southwest 15 in the afternoon.
Wednesday Wind light becoming southwest 10 to 15 knots.
Thursday Wind light increasing to southwest 20 knots.

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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 EDT 26 May 2025 Forecasts have ended for the season.
Warnings

Warnings (In effect)

Strong wind warning in effect

Halifax Harbour and Approaches

Issued 03:00 AM ADT 20 July 2025

'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 20 July 2025 Today Tonight and Monday At 3:00 a.m. ADT today trough located over southern Quebec.
By 8:00 p.m. ADT tonight trough located from the Gulf of
St. Lawrence to the Gulf of Maine.

At 3:30 p.m. ADT Monday trough located on a line north-south over
the eastern Marine District.

At 3:00 a.m. ADT today ridge located over the southern Marine
District.
By 8:00 p.m. ADT tonight departing ridge located over the Grand
Banks.

Atlantic - Maritimes Area

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Marine Weather for Canada

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