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L'Isle-aux-Coudres to Tadoussac

Warnings

Forecast

Marine Forecast

Issued 03:00 PM EDT 18 July 2026

Tonight and Sunday.

Strong wind warning in effect.

Wind light increasing to southwest 10 to 15 knots this evening and to northwest 15 to 25 late overnight. Wind becoming northwest 15 Sunday evening.

Showers ending Sunday morning with a risk of thunderstorms. Fog banks forming early this evening and dissipating Sunday morning. Visibility as low as 1 mile in showers and 1 mile or less in fog banks.

Waves

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

Extended Forecast

Issued 06:00 PM EDT 18 July 2026
Monday Wind west 10 to 20 knots.
Tuesday Wind southwesterly 15 knots.
Wednesday Wind south 15 knots diminishing to light.

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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 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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land station Land Station
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 18 July 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 18 July 2026 Tonight and Sunday At 3:00 p.m. EDT today ridge located on a line northwest-southeast
over Anticosti Island.
By 8:00 a.m. EDT Sunday dissipating ridge located on a line
northwest-southeast over the Strait of Belle Isle.

At 3:00 p.m. EDT today low 998 mb located northwest of Montréal.
By 8:00 p.m. EDT Sunday low 986 mb located over western Anticosti
Island.

At 8:00 p.m. EDT tonight ridge located on a line north-south over
Lake Superior.
By 8:00 p.m. EDT Sunday ridge located on a line north-south over
Lake Huron.

Atlantic - Maritimes Area

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Marine Weather for Canada

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