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Grand Manan

Forecast

Marine Forecast

Issued 03:00 AM ADT 26 October 2026

Today Tonight and Tuesday.

Strong wind warning in effect.

Wind southwest 20 to 25 knots diminishing to westerly 15 late this afternoon then increasing to northerly 20 to 25 late this evening. Wind backing to northwest 15 to 20 Tuesday afternoon.

Waves

Issued 05:00 PM ADT 25 October 2026
Tonight and Monday. Seas 1 metre or less.

Extended Forecast

Issued 03:00 AM ADT 26 October 2026
Wednesday Wind northwest 15 knots.
Thursday Wind northwest 15 knots increasing to southwest 25 to 30.
Friday Wind light increasing to northwest 20 knots late in the day.

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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 03:00 AM ADT 26 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 3:00 AM ADT 26 October 2026 Today Tonight and Tuesday At 3:00 a.m. ADT today departing ridge located over the southern
Marine District.

At 3:00 a.m. ADT today trough located over Quebec.
By 3:00 a.m. ADT Tuesday trough located from Newfoundland to
Georges Bank.

At 8:00 p.m. ADT Tuesday approaching high located over Quebec.

Marine Weather Statement

Issued 2:39 AM ADT 26 October 2026 A trough of low pressure approaching from Quebec will track
southeastward across the Gulf of St. Lawrence on Tuesday, bringing
strong to gale force northwesterlies to the north and eastern
portions of the gulf through much of the day.

Marine interests are advised that gale warnings are in effect for
Cabot Strait, Gulf - Magdalen - northeastern half, and Anticosti -
southwestern half.

Atlantic - Maritimes Area

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