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Anticosti - southwestern half

Warnings

Forecast

Marine Forecast

Issued 08:00 PM AST 10 November 2025

Tonight and Tuesday.

Gale warning in effect.

Wind southeast 35 knots with gusts to 45 from Margaree Harbour to Bay St. Lawrence. Wind diminishing to south 25 late Tuesday morning and to variable 10 to 15 early Tuesday evening. Wind increasing to northwest 25 late Tuesday evening.

Scattered showers. Fog patches forming near midnight and dissipating Tuesday evening.

Waves

Issued 05:00 PM AST 10 November 2025

Anticosti - northwestern half

Tonight and Tuesday. Seas 2 to 3 metres building to 3 to 4 near midnight then subsiding to 2 to 3 late Tuesday morning. Seas subsiding to 1 to 2 Tuesday evening.

Anticosti - southeastern half

Tonight and Tuesday. Seas 1 to 2 metres building to 3 to 5 early this evening then subsiding to 2 to 3 early Tuesday morning. Seas subsiding to 1 to 2 early Tuesday afternoon.

Extended Forecast

Issued 03:30 PM AST 10 November 2025
Wednesday Wind west 40 knots diminishing to southwest 30 late in the day.
Thursday Wind variable 15 knots becoming north 15.
Friday Wind north 15 knots backing to northwest 20.

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Map of St. Lawrence - St. Lawrence River marine weather areas Cap-Chat Mont-Joli Airport Bathurst Airport Île Bicquette Charlo Port Menier Miramichi Pointe-au-Père Fundy Park (Alma) New Carlisle Grand Manan Bas Caraquet CFB Bagotville Jonquière Mistook Normandin Roberval Airport Deschambault Beauport North Bay Airport Trois-Rivières Airport Lake Nipissing - 45152 Kouchibouguac Baie-Comeau Airport Île d'Orléans Saint-Anicet Sainte-Anne-de-Bellevue Cap-Rouge Lac Memphrémagog Montréal Metropolitain Airport Montréal-Trudeau Int'l Airport Île Rouge Lac Saint-Pierre L'Isle-aux-Grues L'Assomption Pointe de l'Islet Pointe Claveau Sept-Îles Airport Pointe-des-Monts North Cape Pointe-Noire Yarmouth Airport Cap-d'Espoir Brier Island Rivière-la-Madeleine St. Stephen Gaspé Airport Saint John Airport Point Lepreau Greater Moncton Roméo LeBlanc Int'l Airport Miscou Island Kouchibouguac La Pocatière
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land station Land Station
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 10 November 2025

Iceberg Limit

Iceberg limit at 0000 UTC 11 Nov estimated from Newfoundland near
5026N 5623W to 5000N 4930W to 5100N 4745W to 5315N 4900W to 5945N
5730W to 6030N 5330W to 5920N 5035W then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

Anticosti - southwestern half

Issued 8:00 PM AST 10 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 8:00 PM AST 10 November 2025 Tonight and Tuesday At 8:00 p.m. AST tonight trough located over New England.
By 3:00 a.m. AST Tuesday trough located from the Gaspe Peninsula
to West Scotian Slope.

At 3:30 p.m. AST Tuesday trough located over Anticosti Island to
East Scotian Slope.
By 8:00 p.m. AST Tuesday trough located from Cabot Strait to
Laurentian Fan.

Marine Weather Statement

Issued 7:36 PM AST 10 November 2025 A trough of low pressure will continue to approach from the west this
evening to lie over New Brunswick tonight. Gale to storm force south
to southeast winds are expected tonight and Tuesday ahead of the
trough, with 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
remaining waters except Fundy, Grand Manan, Lurcher, Browns Bank,
southwestern shore, and LaHave Bank.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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