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L'Isle-aux-Coudres to Tadoussac

Warnings

Forecast

Marine Forecast

Issued 04:56 PM EDT 28 July 2026

Tonight and Wednesday.

Wind northeast 10 to 15 knots with gusts to 45 near thunderstorms. Wind becoming northeast 15 to 20 early this evening then diminishing to light early Wednesday morning. Wind increasing to northeast 15 to 20 Wednesday afternoon.

Scattered showers ending near midnight with a risk of thunderstorms. Scattered showers Wednesday afternoon and evening with a risk of thunderstorms.

Waves

Issued 03:00 PM EDT 28 July 2026
Tonight and Wednesday. Seas 1 metre or less.

Extended Forecast

Issued 06:00 PM EDT 28 July 2026
Thursday Wind northeast 10 to 15 knots.
Friday Wind northeast 10 to 15 knots diminishing to light late in the day.
Saturday Wind light.

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Map of Atlantic - Maritimes marine weather areas Baie-Comeau Airport Halifax Harbour - 44258 West Chedabucto Bay – 44489 North Cape Winterland Branch Hill Summerside Wreckhouse East Scotia Slope - 44137 Stephenville St. Lawrence Burgeo Havre-Saint-Pierre Airport Île aux Perroquets Île Rouge Longue-Pointe-de-Mingan Banquereau - 44139 Sept-Îles Airport Port aux Basques LaHave Bank - 44150 Sagona Island Mont-Joli Airport Beaver Island Baccaro Point St. Stephen Rivière-la-Madeleine Saint John Airport Gaspé Airport Point Lepreau Greater Moncton Roméo LeBlanc Int'l Airport Îles de la Madeleine Airport Miscou Island La Pocatière Kouchibouguac Cap-d'Espoir Grand Manan New Carlisle Fundy Park (Alma) Pointe-au-Père Miramichi Port Menier Charlo Île Bicquette Bathurst Airport Cap-Chat Bas Caraquet East Chedabucto Bay – 44488 Nappan AAFC East Point Charlottetown Airport Yarmouth Airport Pointe-Noire Western Head Tracadie J.A. Douglas McCurdy Sydney Airport Shearwater Airport St.Paul Island Sable Island Parrsboro North Mountain Pointe-des-Monts McNabs Island Lunenburg Kentville AAFC Ingonish Beach Hart Island CFB Greenwood Grand Étang Eskasoni (First Nations) Debert Caribou Point Brier Island
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land station Land Station
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 5:01 PM EDT 28 July 2026 This afternoon and this evening, conditions will be favourable for the development of squalls with wind gusts up to 45 knots, frequent lightning, hail and poor to very poor visibilities due to showers at times heavy.

Proceed with caution as visibility may suddenly be reduced to near-zero. Vessels without lightning protection should make their way to shore immediately. Mariners are advised to prepare for potential squalls. Vulnerable vessels are most at risk and should seek safe harbour if underway. Consider delaying or postponing travel in areas under the Squall Watch.

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 PM EDT 28 July 2026 Tonight and Wednesday At 3:00 p.m. EDT today quasi-stationary trough located from Cornwall
to Labrador.

Atlantic - Maritimes Area

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Marine Weather for Canada

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