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Anticosti - southwestern half

Warnings

Forecast

Marine Forecast

Issued 03:30 PM AST 06 November 2025

Tonight and Friday.

Gale warning in effect.

Wind northwest 25 knots increasing to northwest 35 late this afternoon with gusts to 45 in the Honguedo Strait. Wind diminishing to northwest 25 Friday afternoon.

Scattered showers tonight and Friday morning.

Temperatures plus 5 falling to zero Friday afternoon.

Waves

Issued 05:00 PM AST 06 November 2025
Tonight and Friday. Seas 1 to 2 metres building to 2 to 3 this evening and to 3 to 4 late overnight. Seas subsiding to 1 to 2 Friday evening.

Extended Forecast

Issued 03:30 PM AST 06 November 2025
Saturday Wind northwest 25 knots diminishing to southeast 15 in the morning.
Sunday Wind northwest 20 knots diminishing to light.
Monday Wind east 15 knots increasing to southeast 30.

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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 6 November 2025

Iceberg Limit

Iceberg limit at 0000 UTC 7 Nov estimated from Newfoundland near
5026N 5623W to 4930N 5000W to 5000N 4815W to 5245N 4830W to 5945N
5645W to 6050N 5200W to 5845N 4645W then eastward.

Iceberg Count

No confirmed icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

Anticosti - southwestern half

Issued 3:30 PM AST 06 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 6 November 2025 Tonight and Friday At 3:30 p.m. AST today intensifying low 972 mb located over
Banquereau.
By 8:00 p.m. AST tonight low 967 mb located near the Avalon
Peninsula.

At 3:00 a.m. AST Friday low 961 mb located northeast of
Newfoundland.

At 3:00 a.m. AST Friday approaching ridge located west of the
Marine District.

Marine Weather Statement

Issued 7:28 PM AST 6 November 2025 An intense low pressure system near the Avalon Peninsula will
continue to track northeast and away from the region tonight. Gale to
hurricane force northwest winds will slowly diminish tonight and
Friday.

Marine interests are advised that hurricane force wind warnings are
in effect for Banquereau and Laurentian Fan - northeastern half.
A storm warning is in effect for Laurentian Fan - southwestern half.
Gale warnings are in effect for Browns Bank, Georges Bank, West
Scotian Slope, eastern shore, Sable, East Scotian Slope, Fourchu,
Cabot Strait, Northumberland Strait, Gulf-Magdalen, Chaleur-Miscou,
and Anticosti.

St. Lawrence - St. Lawrence River Area

Another Region

Marine Weather for Canada

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