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Grand Manan

Warnings

Forecast

Marine Forecast

Issued 08:00 PM ADT 21 May 2026

Tonight and Friday.

Strong wind warning in effect.

Wind westerly 10 to 15 knots becoming light late this evening then increasing to southwest 20 Friday afternoon. Wind diminishing to west 15 Friday evening.

Waves

Issued 05:00 PM ADT 21 May 2026
Tonight and Friday. Seas 1 metre or less.

Extended Forecast

Issued 03:30 PM ADT 21 May 2026
Saturday Wind light increasing to southwest 15 to 20 knots in the afternoon.
Sunday Wind light.
Monday Wind southeast 15 knots.

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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 19 May 2026 Forecasts have ended for the season.
Warnings

Warnings (In effect)

Strong wind warning in effect

Grand Manan

Issued 8:00 PM ADT 21 May 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 8:00 PM ADT 21 May 2026 Tonight and Friday At 8:00 p.m. ADT tonight ridge located over New England.
By 3:30 p.m. ADT Friday ridge located over the southwestern Marine
District.

Marine Weather Statement

Issued 7:38 PM ADT 21 May 2026 Gale force northwesterlies will reintensify over northern waters
Friday afternoon between a building ridge from the west and a low
pressure system well off to the northeast.

Marine interests are advised that gale warnings are in effect for
Cabot Strait - northern half, Gulf-Magdalen - northeastern half, and
Anticosti.

Atlantic - Maritimes Area

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Marine Weather for Canada

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