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L'Isle-aux-Coudres to Tadoussac

Forecast

Marine Forecast

Issued 03:00 PM EDT 09 September 2026

Tonight and Thursday.

Strong wind warning in effect.

Wind southwest 15 knots increasing to south 20 early this evening and to southwest 20 to 30 late overnight. Wind becoming west 20 Thursday afternoon then diminishing to westerly 15 Thursday evening.

Scattered showers tonight and Thursday. Visibility as low as 1 mile in showers.

Waves

Issued 03:00 PM EDT 09 September 2026
Tonight and Thursday. Seas 1 metre or less.

Extended Forecast

Issued 06:00 AM EDT 09 September 2026
Friday Wind northwest 15 to 20 knots becoming northwest 15 in the afternoon then diminishing to light late in the day.
Saturday Wind light increasing to southwest 15 to 20 knots.
Sunday Wind southwest 15 to 20 knots.

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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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Ice Conditions

There is no ice forecast issued for this area.

Warnings

Warnings (In effect)

Strong wind warning in effect

L'Isle-aux-Coudres to Tadoussac

Issued 3:00 PM EDT 09 September 2026

'Strong' winds of 20 to 33 knots are occurring or expected to occur in this marine area. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio.

Synopsis

Technical Marine Synopsis

Issued 3:00 PM EDT 9 September 2026 Tonight and Thursday At 3:00 p.m. EDT today ridge located from New England to Ungava Bay.
By 11:00 p.m. EDT tonight departing ridge located over Newfoundland.

At 3:00 p.m. EDT today trough located from James Bay to the
Great Lakes.
By 8:00 p.m. EDT Thursday trough located from Labrador to Nova
Scotia.

At 8:00 a.m. EDT Thursday ridge located over northwestern Ontario.
By 8:00 p.m. EDT Thursday ridge located on a line north-south over
Lake Huron.

Atlantic - Maritimes Area

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