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Grand Manan

Warnings

Forecast

Marine Forecast

Issued 03:00 AM ADT 15 June 2026

Today Tonight and Tuesday.

Strong wind warning in effect.

Wind southerly 15 knots increasing to southerly 20 to 25 early this morning then diminishing to variable 10 to 15 early this evening. Wind becoming westerly 15 Tuesday morning then increasing to southwest 15 to 20 Tuesday evening.

Periods of rain this afternoon and tonight. Fog patches dissipating Tuesday morning.

Waves

Issued 05:00 AM ADT 15 June 2026
Today Tonight and Tuesday. Seas 1 to 2 metres subsiding to 1 or less early this evening then building to 1 to 2 near midnight.

Extended Forecast

Issued 03:00 AM ADT 15 June 2026
Wednesday Wind southwest 15 to 20 knots.
Thursday Wind south 10 to 15 knots increasing to south 25 late in the day.
Friday Wind south 25 knots.

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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 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 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 15 June 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 15 June 2026 Today Tonight and Tuesday At 3:00 a.m. ADT today trough located over New England.
By 3:00 a.m. ADT Tuesday trough located from New Brunswick to West
Scotian Slope.

At 10:00 a.m. ADT Tuesday trough located from Prince Edward Island
to East Scotian Slope.
By 8:00 p.m. ADT Tuesday trough located from Anticosti Island
to Banquereau.

Marine Weather Statement

Issued 2:54 AM ADT 15 June 2026 A trough of low pressure over New England will approach the marine
district today and will move eastward across the district tonight and
Tuesday. Winds will increase to strong to gale force southeasterlies
ahead of the trough. Winds will diminish to generally moderate to
strong southwesterlies over most waters in the wake of the trough.

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

Atlantic - Maritimes Area

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Marine Weather for Canada

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