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Anticosti

Warnings

Forecast

Marine Forecast

Issued 03:00 AM ADT 09 September 2026

Today Tonight and Thursday.

Gale warning in effect.

Wind light increasing to southerly 15 knots this afternoon and to southerly 25 early this evening. Wind increasing to southwest 35 Thursday morning then diminishing to west 25 Thursday afternoon.

Showers Thursday.

Waves

Issued 05:00 AM ADT 09 September 2026

Anticosti - northwestern half

Today Tonight and Thursday. Seas 1 metre or less building to 1 to 2 this evening and to 2 to 3 late overnight.

Anticosti - southeastern half

Today Tonight and Thursday. Seas 1 to 2 metres subsiding to 1 or less this morning then building to 1 to 2 near midnight. Seas building to 2 to 3 late overnight and to 3 to 4 near noon Thursday then subsiding to 1 to 2 Thursday evening.

Extended Forecast

Issued 03:00 AM ADT 09 September 2026
Friday Wind northwest 35 knots.
Saturday Wind northwest 25 knots diminishing to northwest 15.
Sunday Wind southwest 25 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 8 September 2026

Iceberg Limit

Iceberg limit at 0000 UTC 9 Sep estimated from Newfoundland near
4930N 5510W to 5500N 5225W to 6000N 5730W to 6130N 5420W to 5900N
4610W then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

Anticosti

Issued 03:00 AM ADT 09 September 2026

'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. 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 9 September 2026 Today Tonight and Thursday At 3:00 a.m. ADT today trough located over the southeastern Marine
District.
By 3:30 p.m. ADT today departing trough located over the Grand
Banks.

At 8:00 p.m. ADT tonight trough located over Quebec.
By 3:00 a.m. ADT Thursday trough located over Maine.

At 3:00 a.m. ADT today ridge located over New England.
By 3:00 a.m. ADT Thursday ridge located from Newfoundland to East
Scotian Slope.

Marine Weather Statement

Issued 2:48 AM ADT 9 September 2026 A trough of low pressure will approach the marine district late today
and cross the region on Thursday. Strong to gale force
southwesterlies will develop ahead of this system.

Marine interests are advised that gale warnings are in effect for all
waters except Georges Bank, West Scotian Slope, East Scotian Slope,
Laurentian Fan, and Chaleur - Miscou - western half.

Atlantic - Maritimes Area

Another Region

Marine Weather for Canada

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