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L'Isle-aux-Coudres to Tadoussac

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Forecast

Marine Forecast

Issued 03:00 AM EST 12 December 2025

Today Tonight and Saturday.

Wind westerly 20 to 30 knots diminishing to westerly 15 early this evening and to light Saturday morning. Wind becoming southwest 15 near noon Saturday then diminishing to light Saturday evening.

Periods of snow ending this afternoon. Scattered flurries Saturday evening. Visibility as low as 1 mile in precipitation.

Over open water risk of freezing spray today.

Temperatures near minus 5.

Waves

Issued 03:00 AM EST 12 December 2025
Today Tonight and Saturday. Over open water seas 1 to 2 metres subsiding to 1 or less this evening.

Extended Forecast

Issued 06:00 AM EST 12 December 2025
Sunday Wind light becoming northeast 10 to 15 knots in the afternoon.
Monday Wind northwesterly 15 knots.
Tuesday Wind southwest 15 knots.

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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

There is no ice forecast issued for this area.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EST 12 December 2025 Today Tonight and Saturday At 3:00 a.m. EST today low 980 mb located over Anticosti Island.
By 7:00 p.m. EST tonight departing low 972 mb located over
Labrador Sea.

At 7:00 a.m. EST today ridge located on a line north-south over
Lake Superior.
By 7:00 p.m. EST Saturday ridge located from the Gaspe Peninsula
to James Bay.

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

Atlantic - Maritimes Area

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Marine Weather for Canada

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