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Halifax Harbour and Approaches

Forecast

Marine Forecast

Issued 10:00 AM ADT 18 July 2025

Today Tonight and Saturday.

Wind southwesterly 15 to 20 knots diminishing to northwest 10 to 15 early this afternoon and to light near midnight. Wind increasing to southwest 10 to 15 Saturday afternoon and to southwest 15 to 20 Saturday evening.

Showers and fog patches ending near noon with a risk of thunderstorms.

High today plus 22. Low tonight plus 16. High Saturday plus 21.

Extended Forecast

Issued 03:00 AM ADT 18 July 2025
Sunday Wind southwest 15 knots.
Monday Wind light becoming northwest 15 knots.
Tuesday Wind northwest 15 knots diminishing to light.

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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

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:00 AM ADT 18 July 2025 Today Tonight and Saturday At 10:00 a.m. ADT today low 994 mb located north of Anticosti
Island.
By 10:00 a.m. ADT Saturday low 983 mb located over Labrador Sea.

At 8:00 p.m. ADT tonight ridge located west of the Marine District.
By 10:00 a.m. ADT Saturday ridge located over the southern Marine
District.

Marine Weather Statement

Issued 9:47 AM ADT 18 July 2025 A low pressure system north of Anticosti will intensify as is tracks
northeastward today to lie over the Labrador Sea Saturday morning.
Strong southerly winds will veer to strong to gale force westerlies
today in the wake of the system before diminishing tonight.

Marine interests are advised that gale warnings are in effect for
Chaleur - Miscou, Gulf - Magdalen and Anticosti.

Atlantic - Maritimes Area

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