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Grand Manan

Warnings

Forecast

Marine Forecast

Issued 10:00 AM ADT 05 October 2026

Today Tonight and Tuesday.

Strong wind warning in effect.

Wind southeast 15 knots increasing to southwest 15 to 20 early this afternoon then veering to west 20 to 25 late this afternoon. Wind veering to northwest 25 to 30 near midnight then backing to westerly 30 Tuesday morning.

Waves

Issued 05:00 AM ADT 05 October 2026
Today Tonight and Tuesday. Seas 1 to 2 metres building to 2 to 3 Tuesday morning.

Extended Forecast

Issued 03:00 AM ADT 05 October 2026
Wednesday Wind northwest 15 knots backing to southwest 15 to 20 in the afternoon.
Thursday Wind southwest 20 knots.
Friday Wind westerly 15 to 20 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

Warnings (In effect)

Strong wind warning in effect

Grand Manan

Issued 10:00 AM ADT 05 October 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 10:00 AM ADT 5 October 2026 Today Tonight and Tuesday At 10:00 a.m. ADT today low located near Southwestern Shore.
By 3:00 a.m. ADT Tuesday intensifying low located north of the
Gulf of St. Lawrence.

Marine Weather Statement

Issued 9:31 AM ADT 5 October 2026 A low pressure system will continue to intensify as it approaches
northeastern waters late in the day. Strong to gale force
southeasterlies are expected ahead of this system. Strong to gale
force westerlies are expected across the district on Tuesday in the
wake of this low, with winds possibly reaching near storm force over
Gulf of St. Lawrence waters.

Marine interests are advised that gale warnings are in effect for
eastern shore, Sable, Fourchu, Banquereau, Cabot Strait, and all Gulf
of St. Lawrence waters.

Atlantic - Maritimes Area

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Marine Weather for Canada

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