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Trois-Rivières to Donnacona

Forecast

Marine Forecast

Issued 05:01 PM EDT 24 July 2024

Tonight and Thursday.

Wind light with gusts to 35 knots near thunderstorms late this afternoon and this evening. Wind becoming southwest 15 Thursday morning then veering to northwest 10 to 15 Thursday evening.

Showers tonight and Thursday with a risk of thunderstorms this evening and Thursday afternoon. Visibility as low as 1 mile in showers.

Extended Forecast

Issued 06:00 PM EDT 24 July 2024
Friday Wind northwesterly 10 to 15 knots backing to southwesterly 10 to 15 in the afternoon.
Saturday Wind light becoming southwest 10 to 15 knots.
Sunday Wind southwest 10 to 15 knots.

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

There is no ice forecast issued for this area.

Warnings

Watches (In effect)

Squall watch in effect

Trois-Rivières to Donnacona

Issued 8:24 PM EDT 24 July 2024 Conditions will be favourable for the development of squalls with wind gusts up to 40 knots, frequent lightning and hail.

Mariners are advised to prepare for potential squalls. Vulnerable vessels are most at risk and should seek safe harbour if underway.

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 24 July 2024 Tonight and Thursday At 3:00 p.m. EDT today ridge located from James Bay to the Gulf
of St. Lawrence.
By 8:00 a.m. EDT Thursday weakening ridge located from Havre
Saint-Pierre to Newfoundland.

At 3:00 p.m. EDT today low located over eastern Ontario.
By 8:00 p.m. EDT Thursday low located near Anticosti Island.

St. Lawrence - St. Lawrence River Area

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