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Grand Manan

Warnings

Forecast

Marine Forecast

Issued 03:00 AM ADT 22 July 2026

Today Tonight and Thursday.

Strong wind warning in effect.

Wind southeasterly 20 to 25 knots veering to southerly 30 this morning then to southwest 20 to 25 this evening. Wind diminishing to southwest 15 overnight and to light Thursday morning. Wind becoming southwest 15 Thursday afternoon.

Rain with a risk of thunderstorms changing to scattered showers near noon and ending near noon Thursday. Fog patches dissipating Thursday evening.

Waves

Issued 05:00 AM ADT 22 July 2026
Today Tonight and Thursday. Seas 1 to 2 metres building to 2 to 3 this afternoon then subsiding to 1 to 2 near noon Thursday.

Extended Forecast

Issued 03:00 AM ADT 22 July 2026
Friday Wind southwest 10 to 15 knots.
Saturday Wind variable 10 to 15 knots.
Sunday Wind northeast 10 to 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 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 03:00 AM ADT 22 July 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.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM ADT 22 July 2026 Today Tonight and Thursday At 3:00 a.m. ADT today trough located over New England.
By 3:30 p.m. ADT today trough located over the western Marine
District.

At 8:00 p.m. ADT Thursday trough located over the eastern Marine
District.

Atlantic - Maritimes Area

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Marine Weather for Canada

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