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L'Isle-aux-Coudres to Tadoussac

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Forecast

Marine Forecast

Issued 03:00 AM EST 11 December 2025

Today Tonight and Friday.

Gale warning in effect.

Wind northeast 15 to 25 knots increasing to southwest 25 to 35 this afternoon then becoming west 20 to 30 this evening. Wind diminishing to west 15 Friday evening.

Snow ending Friday afternoon. Visibility 1 mile or less in snow.

Risk of freezing spray today and Friday.

Temperatures near minus 6.

Waves

Issued 03:00 AM EST 11 December 2025
Today Tonight and Friday. Seas 1 to 2 metres.

Extended Forecast

Issued 06:00 AM EST 11 December 2025
Saturday Wind southwest 15 knots.
Sunday Wind northwest 15 knots.
Monday Wind northwest 15 knots diminishing to light.

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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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land station Land Station
Ice Conditions

There is no ice forecast issued for this area.

Warnings

Warnings (In effect)

Gale warning in effect

L'Isle-aux-Coudres to Tadoussac

Issued 12:03 PM EST 11 December 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 3:00 AM EST 11 December 2025 Today Tonight and Friday At 3:00 a.m. EST today low 989 mb located near Trois-Rivières.
By 7:00 p.m. EST Friday low 972 mb located over Labrador Sea.

At 7:00 a.m. EST Friday ridge located on a line north-south over
Lake Superior.
By 7:00 p.m. EST Friday ridge located on a line north-south over
Lake Ontario.

Atlantic - Maritimes Area

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Marine Weather for Canada

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