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L'Isle-aux-Coudres to Tadoussac

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EST 16 December 2025

Today Tonight and Wednesday.

Gale warning in effect.

Wind southwest 15 to 20 knots increasing to southwest 20 to 30 this morning and to southwest 30 to 40 this afternoon. Wind diminishing to southwest 20 to 30 near noon Wednesday and to west 15 to 20 Wednesday evening.

Flurries Wednesday. Visibility as low as 1 mile in flurries.

Over open water risk of freezing spray today and this evening.

Temperatures minus 8 rising to zero Wednesday morning.

Waves

Issued 03:00 AM EST 16 December 2025
Today Tonight and Wednesday. Over open water seas 1 metre or less building to 1 to 2 near noon.

Extended Forecast

Issued 06:00 AM EST 16 December 2025
Thursday Wind southwest 15 to 25 knots becoming southwest 15 in the afternoon.
Friday Wind south 15 knots increasing to southwest 25 to 35 late in the day.
Saturday Wind southwest 25 to 35 knots diminishing to west 15 to 25.

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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 03:00 AM EST 16 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 16 December 2025 Today Tonight and Wednesday At 3:00 a.m. EST today departing low 938 mb located off
Newfoundland.

At 3:00 a.m. EST today ridge located from Lake Ontario to Ungava
Bay.
By 3:00 a.m. EST Wednesday departing ridge located on a line
north-south over Newfoundland.

At 7:00 p.m. EST tonight trough located on a line
northeast-southwest over northern Ontario.
By 7:00 p.m. EST Wednesday trough located from Lake Ontario to
Labrador.

Atlantic - Maritimes Area

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Marine Weather for Canada

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