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Grand Manan

Warnings

Forecast

Marine Forecast

Issued 03:30 PM ADT 11 May 2026

Tonight and Tuesday.

Wind light becoming westerly 10 to 15 knots this evening then veering to northerly 15 late overnight. Wind diminishing to light near noon Tuesday then increasing to southwest 15 to 20 Tuesday evening.

Fog patches dissipating this evening.

Waves

Issued 05:00 PM ADT 11 May 2026
Tonight and Tuesday. Seas 1 to 2 metres subsiding to 1 or less near midnight.

Extended Forecast

Issued 03:30 PM ADT 11 May 2026
Wednesday Wind northwest 15 knots backing to southwest 15 in the afternoon.
Thursday Wind south 15 knots backing to southeast 20.
Friday Wind east 25 knots.

Ice Forecast

Issued 10:00 AM EDT 11 May 2026 Today Tonight and Tuesday Ice free. 

[ 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 11 May 2026 Today Tonight and Tuesday

Ice Edge

Ice edge estimated from Quebec near 5016N 6251W to 4956N 6207W to
4956N 5959W to 5116N 5738W to Quebec near 5125N 5736W. Sea ice north
of the ice edge.

Ice Coverage

Ice free.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:30 PM ADT 11 May 2026 Tonight and Tuesday At 3:30 p.m. ADT today weakening trough located from Anticosti
Island to East Scotian Slope.

At 8:00 p.m. ADT tonight deepening low 1011 mb located south of
East Scotian Slope.
By 3:30 p.m. ADT Tuesday low 1003 mb located over Banquereau.

At 8:00 p.m. ADT Tuesday approaching ridge located west of the
Marine District.

Atlantic - Maritimes Area

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Marine Weather for Canada

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