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Warnings

Forecast

Marine Forecast

Issued 10:00 AM ADT 21 May 2026

Today Tonight and Friday.

Wind northwesterly 15 to 20 knots diminishing to light this afternoon then becoming westerly 10 to 15 Friday afternoon.

Waves

Issued 05:00 AM ADT 21 May 2026
Today Tonight and Friday. Seas 1 to 2 metres subsiding to 1 or less late this afternoon.

Extended Forecast

Issued 03:00 AM ADT 21 May 2026
Saturday Wind west 20 knots diminishing to light in the afternoon.
Sunday Wind light becoming southeast 15 knots late in the day.
Monday Wind southeast 20 knots veering to southwest 20.

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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 19 May 2026 Forecasts have ended for the season.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:00 AM ADT 21 May 2026 Today Tonight and Friday At 10:00 a.m. ADT today cold front located over the southern
Marine District.
By 3:30 p.m. ADT today departing cold front located southeast of
the Marine District.

At 3:30 p.m. ADT today ridge located over Ontario.
By 3:30 p.m. ADT Friday ridge located over the Gulf of Maine.

Marine Weather Statement

Issued 9:52 AM ADT 21 May 2026 Strong to gale force northwest winds over northern waters will
gradually diminish today in the wake of a cold front.

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

Atlantic - Maritimes Area

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Marine Weather for Canada

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