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Grand Manan

Warnings

Forecast

Marine Forecast

Issued 03:30 PM ADT 18 May 2026

Tonight and Tuesday.

Wind southwest 15 knots diminishing to light this evening then becoming southwest 15 Tuesday afternoon.

Fog patches Tuesday morning.

Waves

Issued 05:00 PM ADT 18 May 2026
Tonight and Tuesday. Seas 1 metre.

Extended Forecast

Issued 03:30 PM ADT 18 May 2026
Wednesday Wind southwest 20 knots.
Thursday Wind northwest 20 knots.
Friday Wind light increasing to southwest 25 knots.

Ice Forecast

Issued 10:00 AM EDT 18 May 2026 Today Tonight and Tuesday Ice free.These are the last forecasts for the season. 

[ 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 18 May 2026 Today Tonight and Tuesday

Ice Edge

Ice edge is outside the forecast region.

Ice Coverage

Ice free.

These are the last forecasts for the season.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:30 PM ADT 18 May 2026 Tonight and Tuesday At 3:30 p.m. ADT today ridge located over the western Maritimes.
By 10:00 a.m. ADT Tuesday ridge located southeast of the Marine
District.

At 3:00 a.m. ADT Tuesday warm front located over southern Quebec.
By 8:00 p.m. ADT Tuesday warm front located over the Maritimes.

Atlantic - Maritimes Area

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Marine Weather for Canada

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