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L'Isle-aux-Coudres to Tadoussac

Forecast

Marine Forecast

Issued 03:00 AM EDT 12 March 2026

Today Tonight and Friday.

Gale warning in effect.

Wind northeast 20 to 30 knots increasing to southwest 30 to 40 near noon then diminishing to west 15 to 25 late this afternoon. Wind diminishing to west 10 to 15 this evening then backing to southwest 15 to 20 Friday morning. Wind diminishing to light Friday evening.

Freezing rain this morning changing to scattered flurries and ending this evening. Visibility as low as 1 mile in flurries.

Risk of freezing spray late this afternoon and this evening.

High today minus 2. Low tonight minus 8. High Friday minus 3.

Waves

Issued 03:00 AM EDT 12 March 2026
Today Tonight and Friday. Over open water seas 1 metre or less building to 1 to 2 this afternoon then subsiding to 1 or less near midnight.

Extended Forecast

Issued 06:00 AM EDT 12 March 2026
Saturday Wind northeast 20 to 30 knots diminishing to northeast 10 to 20 late in the day.
Sunday Wind northwest 10 to 15 knots becoming light.
Monday Wind northeast 15 to 25 knots becoming southeasterly 15.

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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

Warnings (In effect)

Gale warning in effect

L'Isle-aux-Coudres to Tadoussac

Issued 03:00 AM EDT 12 March 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 or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 12 March 2026 Today Tonight and Friday At 3:00 a.m. EDT today low 995 mb located near Montréal.
By 8:00 p.m. EDT Friday low 963 mb located over Labrador Sea.

At 3:00 a.m. EDT today ridge located on a line north-south over
northwestern Ontario.
By 8:00 p.m. EDT Friday ridge located on a line northwest-southeast
over Rivière-du-Loup.

At 8:00 p.m. EDT Friday approaching low 995 mb located over
Lake Huron.

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