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Grand Manan

Warnings

Forecast

Marine Forecast

Issued 03:00 AM ADT 11 August 2026

Today Tonight and Wednesday.

Wind southwest 10 to 15 knots veering to northwest 10 to 15 late this evening then diminishing to light overnight. Wind becoming southwest 15 Wednesday afternoon.

Showers today with a risk of thunderstorms. Fog patches dissipating this evening.

Waves

Issued 05:00 AM ADT 11 August 2026
Today Tonight and Wednesday. Seas 1 metre or less.

Extended Forecast

Issued 03:00 AM ADT 11 August 2026
Thursday Wind light becoming southwest 15 knots in the afternoon.
Friday Wind southwest 15 knots veering to northwest 15 late in the day.
Saturday Wind northwest 15 knots.

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Map of Atlantic - Maritimes marine weather areas Baie-Comeau Airport Halifax Harbour - 44258 West Chedabucto Bay – 44489 North Cape Winterland Branch Hill Summerside Wreckhouse East Scotia Slope - 44137 Stephenville St. Lawrence Burgeo Havre-Saint-Pierre Airport Île aux Perroquets Île Rouge Longue-Pointe-de-Mingan Banquereau - 44139 Sept-Îles Airport Port aux Basques LaHave Bank - 44150 Sagona Island Mont-Joli Airport Beaver Island Baccaro Point St. Stephen Rivière-la-Madeleine Saint John Airport Gaspé Airport Point Lepreau Greater Moncton Roméo LeBlanc Int'l Airport Îles de la Madeleine Airport Miscou Island La Pocatière Kouchibouguac Cap-d'Espoir Grand Manan New Carlisle Fundy Park (Alma) Pointe-au-Père Miramichi Port Menier Charlo Île Bicquette Bathurst Airport Cap-Chat Bas Caraquet East Chedabucto Bay – 44488 Nappan AAFC East Point Charlottetown Airport Yarmouth Airport Pointe-Noire Western Head Tracadie J.A. Douglas McCurdy Sydney Airport Shearwater Airport St.Paul Island Sable Island Parrsboro North Mountain Pointe-des-Monts 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

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM ADT 11 August 2026 Today Tonight and Wednesday At 3:00 a.m. ADT today trough located over New England.
By 8:00 p.m. ADT tonight trough located from the Gulf of
St. Lawrence to East Scotian Slope.

At 8:00 p.m. ADT Wednesday departing trough located over the
Grand Banks.

Atlantic - Maritimes Area

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Marine Weather for Canada

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