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Anticosti

Warnings

Forecast

Marine Forecast

Issued 08:00 PM ADT 15 August 2026

Tonight and Sunday.

Strong wind warning in effect.

Wind northwesterly 20 knots diminishing to westerly 15 near midnight then becoming variable 10 to 15 early Sunday morning. Wind becoming southwesterly 10 to 15 early Sunday evening.

Waves

Issued 05:00 PM ADT 15 August 2026
Tonight and Sunday. Seas 1 to 2 metres subsiding to 1 or less late overnight.

Extended Forecast

Issued 03:30 PM ADT 15 August 2026
Monday Wind south 15 knots increasing to southerly 20 to 25 in the afternoon.
Tuesday Wind southerly 15 knots.
Wednesday Wind southeasterly 20 knots.

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

Iceberg Bulletin

Issued 2:30 PM EDT 15 August 2026

Iceberg Limit

Iceberg limit at 0000 UTC 16 Aug estimated from Newfoundland near
4840N 5350W to 4900N 5250W to 5030N 5205W to 5900N 5500W to 6020N
5200W then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Strong wind warning in effect

Anticosti

Issued 8:00 PM ADT 15 August 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 8:00 PM ADT 15 August 2026 Tonight and Sunday At 8:00 p.m. ADT tonight ridge located over New England.
By 8:00 p.m. ADT Sunday ridge located over the Marine District.

Atlantic - Maritimes Area

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Marine Weather for Canada

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