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Anticosti

Warnings

Forecast

Marine Forecast

Issued 03:00 AM ADT 15 September 2026

Today Tonight and Wednesday.

Strong wind warning in effect.

Wind northwest 20 to 25 knots diminishing to northwest 15 this morning and to light early this afternoon. Wind increasing to southwesterly 15 to 20 this evening. Wind southwesterly 15 to 20 Wednesday.

Waves

Issued 05:00 AM ADT 15 September 2026

Anticosti - northwestern half

Today Tonight and Wednesday. Seas 1 metre or less building to 1 to 2 Wednesday evening.

Anticosti - southeastern half

Today Tonight and Wednesday. Seas 1 to 2 metres subsiding to 1 or less this afternoon then building to 1 to 2 Wednesday afternoon.

Extended Forecast

Issued 03:00 AM ADT 15 September 2026
Thursday Wind northwest 20 knots diminishing to light in the afternoon.
Friday Wind southeast 20 to 25 knots increasing to northwest 35.
Saturday Wind northwest 30 knots diminishing to northwest 20.

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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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land station Land Station
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 14 September 2026

Iceberg Limit

Iceberg limit at 0000 UTC 15 Sep estimated from Newfoundland near
4930N 5510W to 5430N 5115W to 6000N 5730W to 6130N 5420W to 5850N
4610W then northeastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Strong wind warning in effect

Anticosti

Issued 03:00 AM ADT 15 September 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 September 2026 Today Tonight and Wednesday At 3:00 a.m. ADT today departing trough located from Newfoundland
to Laurentian Fan.

At 3:00 a.m. ADT today ridge located from Quebec to New England.
By 8:00 p.m. ADT tonight ridge located from Newfoundland to the
Gulf of Maine.

Atlantic - Maritimes Area

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Marine Weather for Canada

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