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L'Isle-aux-Coudres to Tadoussac

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 12 October 2026

Today Tonight and Tuesday.

Gale warning in effect.

Wind southwest 25 to 35 knots diminishing to southwest 15 to 25 early this morning then increasing to northeast 25 to 35 late this morning. Wind diminishing to northeast 15 to 25 late this afternoon then becoming northeast 15 late this evening. Wind northeast 10 to 15 Tuesday.

Periods of rain today. Showers Tuesday afternoon.

Waves

Issued 03:00 AM EDT 12 October 2026
Today Tonight and Tuesday. Seas 1 to 2 metres subsiding to 1 early this evening.

Extended Forecast

Issued 06:00 AM EDT 12 October 2026
Wednesday Wind northeast 15 to 25 knots diminishing to northeast 10 to 15 in the afternoon and to light late in the day.
Thursday Wind west 15 knots diminishing to light late in the day.
Friday Wind northeast 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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land station Land Station
Ice Conditions

There is no ice forecast issued for this area.

Warnings

Warnings (In effect)

Gale warning in effect

L'Isle-aux-Coudres to Tadoussac

Issued 03:00 AM EDT 12 October 2026

'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. 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 12 October 2026 Today Tonight and Tuesday At 3:00 a.m. EDT today trough located on a line east-west over
Anticosti Island.
By 8:00 p.m. EDT tonight quasi-stationary trough located on a line
east-west over Lake Ontario.

At 3:00 a.m. EDT today ridge located from Hudson Bay to Labrador.
By 3:00 a.m. EDT Tuesday quasi-stationary ridge located on a line
northwest-southeast over New Brunswick.

At 3:00 p.m. EDT Tuesday departing ridge located on a line
northwest-southeast over New Brunswick.

Atlantic - Maritimes Area

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Marine Weather for Canada

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