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Grand Manan

Forecast

Marine Forecast

Issued 03:00 AM ADT 17 July 2025

Today Tonight and Friday.

Strong wind warning in effect.

Wind southerly 10 to 15 knots increasing to south 20 early this evening then veering to southwest 15 to 20 overnight. Wind veering to northwest 20 Friday morning then diminishing to northwest 15 Friday evening.

Showers ending near midnight with a risk of thunderstorms. Fog patches dissipating Friday morning.

Waves

Issued 05:00 AM ADT 17 July 2025
Today Tonight and Friday. Seas 1 metre or less building to 1 to 2 this evening then subsiding to 1 Friday evening.

Extended Forecast

Issued 03:00 AM ADT 17 July 2025
Saturday Wind light becoming southwest 10 to 15 knots in the afternoon.
Sunday Wind southwest 10 to 15 knots.
Monday Wind northeast 10 to 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

Warnings (In effect)

Strong wind warning in effect

Grand Manan

Issued 03:00 AM ADT 17 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 17 July 2025 Today Tonight and Friday At 3:00 a.m. ADT today dissipating trough located over the Gulf
of St. Lawrence.

At 10:00 a.m. ADT today low 1003 mb located near the Great Lakes.
By 8:00 p.m. ADT Friday trough from 992 mb low located from
Newfoundland to East Scotian Slope.

Marine Weather Statement

Issued 2:38 AM ADT 17 July 2025 An intensifying low pressure system approaching from the west and
moving northeast through the Gulf of St. Lawrence will give strong to
gale force winds to much of the district.

A gale warning is in effect for Anticosti - southern half. Strong
wind warnings are in effect for Fundy, Grand Manan, Lurcher,
southwestern shore, eastern shore, Fourchu, Cabot Strait and all Gulf
of St. Lawrence waters.

Atlantic - Maritimes Area

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