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Beauport to L'Isle-aux-Coudres

Warnings

Forecast

Marine Forecast

Issued 04:12 PM EDT 29 April 2025

Tonight and Wednesday.

Wind southwest 20 to 30 knots with gusts to 45 near thunderstorms late this afternoon and early this evening. Wind becoming west 15 to 20 early Wednesday morning then diminishing to west 10 to 15 near noon Wednesday. Wind becoming light Wednesday evening.

Showers ending overnight with a risk of thunderstorms. Visibility as low as 1 mile in showers.

Extended Forecast

Issued 06:00 AM EDT 29 April 2025
Thursday Wind light.
Friday Wind northeast 15 to 25 knots.
Saturday Wind southwest 15 knots diminishing to light late in the day.

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Map of St. Lawrence - St. Lawrence River marine weather areas Cap-Chat Mont-Joli Airport Bathurst Airport Île Bicquette Charlo Port Menier Miramichi Pointe-au-Père Fundy Park (Alma) New Carlisle Grand Manan Bas Caraquet CFB Bagotville Jonquière Mistook Normandin Roberval Airport Deschambault Beauport North Bay Airport Trois-Rivières Airport Lake Nipissing - 45152 Kouchibouguac Baie-Comeau Airport Île d'Orléans Saint-Anicet Sainte-Anne-de-Bellevue Cap-Rouge Lac Memphrémagog Saint-Hubert Airport Montréal-Trudeau Int'l Airport Île Rouge Lac Saint-Pierre L'Isle-aux-Grues L'Assomption Pointe de l'Islet Pointe Claveau Sept-Îles Airport Pointe-des-Monts North Cape Pointe-Noire Yarmouth Airport Cap-d'Espoir Brier Island Rivière-la-Madeleine St. Stephen Gaspé Airport Saint John Airport Point Lepreau Greater Moncton Roméo LeBlanc Int'l Airport Miscou Island Kouchibouguac La Pocatière
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land station Land Station
Ice Conditions

There is no ice forecast issued for this area.

Warnings

Warnings (In effect)

Squall warning in effect

Beauport to L'Isle-aux-Coudres

Issued 4:11 PM EDT 29 April 2025 Squalls with gusts up to 45 knots and frequent lightning are expected or occurring in the area.

Mariners are advised to prepare for squalls. If underway, seek safe harbour immediately.

Please continue to monitor alerts and forecasts issued by Environment Canada. For more information monitor Canadian Coast Guard radio or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 3:00 PM EDT 29 April 2025 Tonight and Wednesday At 3:00 p.m. EDT today departing ridge located from Cape Hatteras
to Newfoundland.

At 3:00 p.m. EDT today low 996 mb located over Lake Superior.
By 8:00 p.m. EDT Wednesday low 993 mb located near the Quebec
Lower North Shore.

At 8:00 p.m. EDT tonight high 1021 mb located over Lake Superior.
By 8:00 p.m. EDT Wednesday high 1023 mb located over western Quebec.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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