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L'Isle-aux-Coudres to Tadoussac

Warnings

Forecast

Marine Forecast

Issued 03:00 PM EST 15 December 2025

Tonight and Tuesday.

Gale warning in effect.

Wind southwest 15 to 20 knots increasing to southwest 20 to 30 Tuesday morning and to southwest 30 to 40 Tuesday afternoon.

Over open water risk of freezing spray Tuesday afternoon and evening.

Low tonight minus 9. High Tuesday minus 3.

Waves

Issued 03:00 PM EST 15 December 2025
Tonight and Tuesday. Over open water seas 1 metre or less building to 1 to 2 near noon Tuesday.

Extended Forecast

Issued 06:00 PM EST 15 December 2025
Wednesday Wind southwest 20 to 30 knots.
Thursday Wind southwest 15 knots.
Friday Wind south 15 knots increasing to southwest 20 to 30 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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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 3:00 PM EST 15 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 PM EST 15 December 2025 Tonight and Tuesday At 3:00 p.m. EST today departing low 955 mb located over
Newfoundland.

At 3:00 p.m. EST today ridge located from Lake Ontario to Ungava
Bay.
By 7:00 p.m. EST Tuesday ridge located from Nova Scotia to Labrador.

At 7:00 p.m. EST Tuesday approaching trough located on a line
northeast-southwest over northern Ontario.

Atlantic - Maritimes Area

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Marine Weather for Canada

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