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Anticosti

Warnings

Forecast

Marine Forecast

Issued 03:30 PM ADT 16 September 2026

Tonight and Thursday.

Strong wind warning in effect.

Wind southwesterly 15 to 20 knots increasing to southwesterly 20 to 25 early this evening then veering to northwest 20 to 25 late overnight. Wind diminishing to northwest 15 to 20 Thursday morning and to westerly 10 to 15 Thursday afternoon. Wind diminishing to light Thursday evening.

Waves

Issued 05:00 PM ADT 16 September 2026

Anticosti - northwestern half

Tonight and Thursday. Seas 1 to 2 metres subsiding to 1 or less Thursday morning.

Anticosti - southeastern half

Tonight and Thursday. Seas 1 to 2 metres subsiding to 1 or less Thursday afternoon.

Extended Forecast

Issued 03:30 PM ADT 16 September 2026
Friday Wind southeast 20 to 25 knots increasing to northwest 35 in the afternoon.
Saturday Wind northwest 30 knots diminishing to northwest 20.
Sunday Wind northwest 10 to 15 knots backing to southwest 15 to 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 16 September 2026

Iceberg Limit

Iceberg limit at 0000 UTC 17 Sep estimated from Newfoundland near
4930N 5510W to 5415N 5100W to 6000N 5730W to 6125N 5435W to 5850N
4610W then northeastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Strong wind warning in effect

Anticosti

Issued 3:30 PM ADT 16 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 3:30 PM ADT 16 September 2026 Tonight and Thursday At 3:30 p.m. ADT today trough located on a line northeast-southwest
over the southeastern Marine District.
By 3:00 a.m. ADT Thursday departing trough located over the
Grand Banks.

At 3:30 p.m. ADT today trough from low located from Labrador
to Maine.
By 3:00 a.m. ADT Thursday departing trough from low located from
Labrador Sea to the Gulf of St. Lawrence.

At 3:30 p.m. ADT today ridge located from Long Island to
Newfoundland.
By 3:30 p.m. ADT Thursday ridge located over the Marine District.

Atlantic - Maritimes Area

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Marine Weather for Canada

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