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Anticosti - southwestern half

Warnings

Forecast

Marine Forecast

Issued 03:30 PM AST 11 November 2025

Tonight and Wednesday.

Gale warning in effect.

Wind south 20 knots becoming variable 15 to 20 late this afternoon then increasing to northwest 25 this evening. Wind increasing to west 35 after midnight with gusts to 45 in the Honguedo Strait. Wind diminishing to west 25 Wednesday evening.

Scattered showers or scattered flurries becoming scattered flurries Wednesday morning. Fog patches dissipating late this evening.

Waves

Issued 05:00 AM AST 11 November 2025

Anticosti - northwestern half

Today Tonight and Wednesday. Seas 3 to 4 metres subsiding to 2 to 3 late this morning then building to 3 to 4 after midnight.

Anticosti - southeastern half

Today Tonight and Wednesday. Seas 3 to 5 metres subsiding to 2 to 3 early this morning and to 1 to 2 early this afternoon. Seas building to 3 to 4 after midnight then subsiding to 2 to 3 Wednesday evening.

Extended Forecast

Issued 03:30 PM AST 11 November 2025
Thursday Wind variable 15 knots becoming north 15 in the afternoon.
Friday Wind north 15 knots backing to northwest 20.
Saturday Wind northwest 30 knots diminishing to northwest 20 late in the day.

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

Ice Forecasts

Issued 10:00 AM EDT 26 May 2025 Forecasts have ended for the season.
 

Iceberg Bulletin

Issued 1:30 PM EST 11 November 2025

Iceberg Limit

Iceberg limit at 0000 UTC 12 Nov estimated from Newfoundland near
5026N 5623W to 5000N 4915W to 5045N 4745W to 5315N 4900W to 5945N
5730W to 6055N 5315W to 5950N 4955W then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

Anticosti - southwestern half

Issued 3:30 PM AST 11 November 2025

'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 or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 3:30 PM AST 11 November 2025 Tonight and Wednesday At 3:30 p.m. AST today low 985 mb located over eastern Quebec.
By 8:00 p.m. AST tonight departing low 981 mb located over Labrador.

At 3:30 p.m. AST today trough from low located from Anticosti
Island to East Scotian Slope.
By 3:00 a.m. AST Wednesday trough located from Labrador to the
Grand Banks.

Marine Weather Statement

Issued 9:45 AM AST 11 November 2025 A low pressure system, currently over Eastern Quebec, with an intense
trough to the south will track northeasterly as the intensifying
trough pushes eastward over the slope waters. Gale to storm force
southerlies ahead of the trough will become strong to gale force
westerlies developing in its wake.

Marine interests are advised that a storm warning is in effect for
Laurentian Fan - eastern half. Gale warnings are in effect for all
remaining waters except Fundy and Grand Manan.

Atlantic - Maritimes Area

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Marine Weather for Canada

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