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Grand Manan

Warnings

Forecast

Marine Forecast

Issued 10:00 AM AST 09 November 2025

Today Tonight and Monday.

Strong wind warning in effect.

Wind light increasing to east 15 to 20 knots this evening and to southeast 30 late overnight. Wind diminishing to southerly 15 near noon Monday.

Periods of rain overnight and Monday. Risk of thunderstorms Monday afternoon and evening. Fog patches forming near noon Monday.

Waves

Issued 05:00 AM AST 09 November 2025
Today Tonight and Monday. Seas 1 to 2 metres subsiding to 1 or less near noon then building to 1 to 2 this evening. Seas building to 3 to 4 late overnight then subsiding to 1 to 2 Monday morning.

Extended Forecast

Issued 03:00 AM AST 09 November 2025
Tuesday Wind southwest 25 knots veering to west 30 late in the day.
Wednesday Wind west 30 knots diminishing to southwest 20.
Thursday Wind northwest 15 knots diminishing to light.

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Map of Atlantic - Maritimes marine weather areas Summerside Stephenville Airport North Cape Burgeo Pointe-des-Monts Port aux Basques Sagona Island St. Lawrence Tracadie Winterland Branch Hill Wreckhouse Halifax Harbour - 44258 LaHave Bank - 44150 Sept-Îles Airport Banquereau - 44139 Longue-Pointe-de-Mingan Île Rouge Île aux Perroquets Havre-Saint-Pierre Airport East Scotia Slope - 44137 Baie-Comeau Airport Mont-Joli Airport Rivière-la-Madeleine Saint John Airport Gaspé Airport Point Lepreau Greater Moncton Roméo LeBlanc Int'l Airport Heath Point Miscou Island Kouchibouguac Îles de la Madeleine Airport Kouchibouguac La Pocatière Grand Manan St. Stephen Fundy Park (Alma) New Carlisle Miramichi Pointe-au-Père Charlo Port Menier Bathurst Airport Île Bicquette Bas Caraquet Cap-Chat East Chedabucto Bay – 44488 West Chedabucto Bay – 44489 Lunenburg Charlottetown Airport Yarmouth Airport Pointe-Noire Western Head J.A. Douglas McCurdy Sydney Airport Shearwater Airport St.Paul Island Sable Island Parrsboro North Mountain Nappan AAFC McNabs Island East Point Kentville AAFC Ingonish Beach Hart Island CFB Greenwood Grand Étang Eskasoni (First Nations) Debert Caribou Point Brier Island Cap-d'Espoir Beaver Island Baccaro Point
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Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 26 May 2025 Forecasts have ended for the season.
Warnings

Warnings (In effect)

Strong wind warning in effect

Grand Manan

Issued 10:00 AM AST 09 November 2025

'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 or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 10:00 AM AST 9 November 2025 Today Tonight and Monday At 10:00 a.m. AST today departing trough located east of the
Marine District.

At 8:00 p.m. AST tonight low 1006 mb located near Long Island.
By 8:00 p.m. AST Monday intensifying low 996 mb located over the
Gulf of Maine.

At 10:00 a.m. AST today ridge located west of the Marine District.
By 3:00 a.m. AST Monday ridge located from Anticosti Island to
Laurentian Fan.

Marine Weather Statement

Issued 9:46 AM AST 9 November 2025 A trough of low pressure will continue to move east of the district
today. Strong northwesterlies will diminish today with its departure.

A low pressure system will approach the marine district from the
southwest tonight and Monday and will move to lie over the Gulf of
Maine Monday evening. Winds will increase to strong to gale force
southeasterlies tonight and Monday ahead of the low.

Marine interests are advised that gale warnings are in effect for
Lurcher, Browns Bank, southwestern shore, LaHave Bank, eastern shore,
Sable, Fourchu, Cabot Strait, and the Gulf of St. Lawrence waters.

Atlantic - Maritimes Area

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Marine Weather for Canada

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