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L'Isle-aux-Coudres to Tadoussac

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 13 July 2025

Today Tonight and Monday.

Wind light becoming southwest 15 knots early this afternoon. Wind southwest 15 tonight and Monday.

Showers tonight with a risk of thunderstorms. Visibility as low as 1 mile in showers.

Waves

Issued 03:00 AM EDT 13 July 2025
Today Tonight and Monday. Seas 1 metre or less.

Extended Forecast

Issued 06:00 AM EDT 13 July 2025
Tuesday Wind southwest 10 to 15 knots diminishing to light late in the day.
Wednesday Wind light becoming southwest 10 to 15 knots.
Thursday Wind 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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Ice Conditions

There is no ice forecast issued for this area.

Warnings

Watches (In effect)

Squall watch in effect

L'Isle-aux-Coudres to Tadoussac

Issued 09:23 AM EDT 13 July 2025 This afternoon and this evening, conditions will be favourable for the development of squalls with wind gusts up to 50 knots, frequent lightning and poor to very poor visibilities caused by thunderstorms at times heavy.

Mariners are advised to prepare for potential squalls. Vulnerable vessels are most at risk and should seek safe harbour if underway. Delay travel or if underway, reduce speed or return to port if safe to do so.

Please continue to monitor alerts and forecasts issued by Environment Canada. For more information monitor Canadian Coast Guard radio or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 13 July 2025 Today Tonight and Monday At 3:00 a.m. EDT today high located over Nova Scotia.
By noon EDT Monday departing high located off Nova Scotia.

At 3:00 a.m. EDT today low 995 mb located over northern Ontario.
By noon EDT Monday low 985 mb located over the Ungava Peninsula.

At 3:00 a.m. EDT Tuesday approaching ridge located over eastern
Ontario.

Atlantic - Maritimes Area

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Marine Weather for Canada

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