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Grand Manan

Warnings

Forecast

Marine Forecast

Issued 03:30 PM ADT 21 July 2026

Tonight and Wednesday.

Strong wind warning in effect.

Wind southeast 15 to 20 knots increasing to southeast 25 this evening then veering to south 30 late overnight. Wind veering to southwesterly 25 near noon Wednesday.

Rain beginning near midnight with a risk of thunderstorms changing to scattered showers Wednesday morning. Fog patches forming overnight.

Waves

Issued 05:00 AM ADT 21 July 2026
Today Tonight and Wednesday. Seas 1 metre or less building to 1 to 2 early this evening and to 2 to 3 Wednesday afternoon.

Extended Forecast

Issued 03:30 PM ADT 21 July 2026
Thursday Wind southwesterly 15 knots.
Friday Wind variable 10 to 15 knots.
Saturday Wind variable 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 3:30 PM ADT 21 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 3:30 PM ADT 21 July 2026 Tonight and Wednesday At 3:30 p.m. ADT today departing ridge located over the Grand Banks.

At 8:00 p.m. ADT tonight trough located over New England.
By 3:30 p.m. ADT Wednesday trough located over the western Marine
District.

Atlantic - Maritimes Area

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Marine Weather for Canada

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