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L'Isle-aux-Coudres to Tadoussac

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 09 September 2026

Today Tonight and Thursday.

Strong wind warning in effect.

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

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

Waves

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

Extended Forecast

Issued 06:00 PM EDT 08 September 2026
Thursday Wind southwest 15 to 25 knots veering to northwest 15 to 20 in the afternoon.
Friday Wind northwest 15 to 20 knots diminishing to light late in the day.
Saturday Wind light becoming southwest 15 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 03:00 AM 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 AM EDT 9 September 2026 Today Tonight and Thursday At 3:00 a.m. EDT today ridge located from New England to Ungava Bay.
By 8:00 p.m. EDT tonight departing ridge located over Newfoundland.

At 3:00 a.m. EDT today trough located on a line north-south over
northwestern Ontario.
By 8:00 p.m. EDT Thursday trough located from the Quebec Lower
North Shore to Nova Scotia.

Atlantic - Maritimes Area

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Marine Weather for Canada

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