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Grand Manan

Warnings

Forecast

Marine Forecast

Issued 03:30 PM ADT 10 October 2026

Tonight and Sunday.

Strong wind warning in effect.

Wind northwest 20 to 25 knots diminishing to northwest 15 to 20 this evening and to light late overnight. Wind increasing to southwest 20 to 25 Sunday afternoon.

Waves

Issued 05:00 AM ADT 10 October 2026
Today Tonight and Sunday. Seas 1 to 2 metres subsiding to 1 or less late this evening then building to 1 to 2 Sunday evening.

Extended Forecast

Issued 03:30 PM ADT 10 October 2026
Monday Wind southwest 20 to 25 knots diminishing to light in the morning then increasing to northeast 25 late in the day.
Tuesday Wind northeast 25 knots veering to southeast 20.
Wednesday Wind southeast 30 knots diminishing to westerly 25.

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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 3:30 PM ADT 10 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 3:30 PM ADT 10 October 2026 Tonight and Sunday At 3:30 p.m. ADT today trough located over the Gulf of St. Lawrence.
By 8:00 p.m. ADT tonight trough located over the Avalon Peninsula.

At 3:30 p.m. ADT today ridge located over New England.
By 8:00 p.m. ADT Sunday ridge located south of the Marine District.

At 8:00 p.m. ADT Sunday approaching trough located west of the
Marine District.

Marine Weather Statement

Issued 3:17 PM ADT 10 October 2026 A trough of low pressure will pass over northeastern waters this
afternoon with strong to gale force northwesterlies. Winds will ease
tonight as a ridge approaches the district.

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

Outlook for the start-up of the Upper Bay of Fundy lobster fishery.

Monday...Winds southwest 25 knots veering to west 10 to 15 knots
mid-day and then to northeast 25 in the evening. Choppy sea
conditions in the evening when winds will be running against the
rising tide.
Tuesday...Winds northeast 25 knots diminishing to east 15 to 20 knots
near noon then increasing to southeast 20 knots late in the day.
Choppy sea conditions in the morning when winds will run against
The rising tide.
Wednesday...Winds southeast 20 to 25 knots becoming west 20 to 25
knots in the afternoon. Choppy sea conditions late in the day when
winds will be running against the ebbing tide.

Atlantic - Maritimes Area

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Marine Weather for Canada

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