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Grand Manan

Warnings

Forecast

Marine Forecast

Issued 10:00 AM ADT 10 May 2026

Today Tonight and Monday.

Strong wind warning in effect.

Wind southeast 15 to 20 knots increasing to southeast 25 near noon then diminishing to south 15 early this evening. Wind diminishing to light near midnight then becoming west 15 Monday evening.

Showers ending Monday morning. Risk of thunderstorms this evening. Fog patches dissipating Monday afternoon.

Waves

Issued 05:00 AM ADT 10 May 2026
Today Tonight and Monday. Seas 1 to 2 metres subsiding to 1 or less Monday afternoon.

Extended Forecast

Issued 03:00 AM ADT 10 May 2026
Tuesday Wind light.
Wednesday Wind northwest 15 knots backing to southwest 15.
Thursday Wind south 15 knots backing to southeast 20.

Ice Forecast

Issued 10:00 AM EDT 10 May 2026 Today Tonight and Monday Ice free. 

[ Canadian Ice Service ]

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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 Airport 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 10 May 2026 Today Tonight and Monday

Ice Edge

Ice edge estimated from Quebec near 5016N 6251W to 4956N 6207W to
4956N 5959W to 5116N 5738W to Quebec near 5125N 5736W. Sea ice north
of the ice edge.

Ice Coverage

Ice free.

Warnings

Warnings (In effect)

Strong wind warning in effect

Grand Manan

Issued 10:00 AM ADT 10 May 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 or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 10:00 AM ADT 10 May 2026 Today Tonight and Monday At 10:00 a.m. ADT today trough located over New England.
By 3:00 a.m. ADT Monday trough located from Anticosti Island to
East Scotian Slope.

At 8:00 p.m. ADT Monday weakening trough located from Labrador to
Laurentian Fan.

Atlantic - Maritimes Area

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Marine Weather for Canada

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