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L'Isle-aux-Coudres to Tadoussac

Warnings

Forecast

Marine Forecast

Issued 03:00 PM EDT 18 May 2026

Tonight and Tuesday.

Wind light becoming northeast 15 knots after midnight then becoming southwest 10 to 15 Tuesday evening.

Showers tonight and Tuesday. Risk of thunderstorms overnight.

Waves

Issued 03:00 PM EDT 18 May 2026
Tonight and Tuesday. Seas 1 metre or less.

Extended Forecast

Issued 06:00 PM EDT 18 May 2026
Wednesday Wind southwest 15 knots veering to northwest 10 to 20 in the afternoon.
Thursday Wind northwest 15 knots.
Friday Wind southwest 10 to 15 knots.

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Map of Atlantic - Maritimes marine weather areas East Scotia Slope - 44137 Cap-Chat Burgeo Île Bicquette New Carlisle Îles de la Madeleine Airport Port Menier Summerside North Cape Pointe-au-Père Mont-Joli Airport La Pocatière Wreckhouse Banquereau - 44139 Port aux Basques Sagona Island Gaspé Airport LaHave Bank - 44150 Halifax Harbour - 44258 St. Lawrence Stephenville Airport Western Head Winterland Branch Hill Île aux Perroquets Beaver Island Baccaro Point St. Stephen Pointe-des-Monts Saint John Airport Sept-Îles Airport Point Lepreau Greater Moncton Roméo LeBlanc Int'l Airport Longue-Pointe-de-Mingan Miscou Island Île Rouge Kouchibouguac Pointe-Noire Kouchibouguac Havre-Saint-Pierre Airport Grand Manan Fundy Park (Alma) Miramichi Charlo West Chedabucto Bay – 44489 Bathurst Airport Baie-Comeau Airport Bas Caraquet East Chedabucto Bay – 44488 Nappan AAFC East Point Charlottetown Airport Yarmouth Airport Cap-d'Espoir Tracadie J.A. Douglas McCurdy Sydney Airport Shearwater Airport St.Paul Island Sable Island Parrsboro North Mountain Rivière-la-Madeleine 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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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 PM EDT 18 May 2026 Tonight and Tuesday At 3:00 p.m. EDT today ridge located from Hudson Bay to Sept-Îles.
By 8:00 p.m. EDT Tuesday ridge located on a line northwest-southeast
over the Strait of Belle Isle.

At 3:00 p.m. EDT today low 1008 mb located north of the Great Lakes.
By 8:00 p.m. EDT Tuesday low 998 mb located west of Lake Saint-Jean.

Atlantic - Maritimes Area

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Marine Weather for Canada

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