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Grand Manan

Warnings

Forecast

Marine Forecast

Issued 03:00 AM ADT 22 June 2025

Today Tonight and Monday.

Strong wind warning in effect.

Wind southwest 10 to 15 knots increasing to southerly 25 this morning then diminishing to southwest 10 to 15 this evening. Wind becoming northerly 10 to 15 near midnight then becoming light Monday morning.

Periods of rain today and this evening. Fog patches forming this morning and dissipating Monday afternoon.

Waves

Issued 05:00 AM ADT 22 June 2025
Today Tonight and Monday. Seas 1 metre or less building to 1 to 2 this morning then subsiding to 1 or less Monday morning.

Extended Forecast

Issued 03:30 PM ADT 21 June 2025
Monday Wind light.
Tuesday Wind southwest 15 to 20 knots.
Wednesday Wind northwest 15 knots.

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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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land station Land Station
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 03:00 AM ADT 22 June 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 3:00 AM ADT 22 June 2025 Today Tonight and Monday At 3:00 a.m. ADT today ridge located from Georges Bank to Anticosti
Island.
By 3:30 p.m. ADT today departing ridge located over the southeastern
Marine District.

At 10:00 a.m. ADT today trough located west of the Marine District.
By 3:00 a.m. ADT Monday weakening trough located from the Gulf of
St. Lawrence to Cape Cod.

At 8:00 p.m. ADT Monday approaching trough located over southern
Quebec.

Atlantic - Maritimes Area

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Marine Weather for Canada

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