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Trois-Rivières to Donnacona

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 15 April 2026

Today Tonight and Thursday.

Wind light today tonight and Thursday.

Periods of drizzle ending near noon. Periods of drizzle overnight and Thursday morning. Showers Thursday evening. Fog banks dissipating this morning. Fog banks forming this evening and dissipating Thursday afternoon. Visibility 1 mile or less in fog banks and as low as 1 mile in drizzle.

Extended Forecast

Issued 06:00 PM EDT 14 April 2026
Thursday Wind light.
Friday Wind light becoming northeast 15 knots.
Saturday Wind northeast 15 knots veering to southeast 15.

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

There is no ice forecast issued for this area.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 15 April 2026 Today Tonight and Thursday At 3:00 a.m. EDT today departing high 1025 mb located over Labrador.

At 3:00 a.m. EDT today ridge from 1025 mb high located from Labrador
to Lake Saint-Jean.
By midnight EDT tonight departing ridge located on a line east-west
over the Quebec Lower North Shore.

At 8:00 p.m. EDT tonight building low 1004 mb located over the
Midwestern states.
By 8:00 p.m. EDT Thursday low 1004 mb located over eastern Ontario.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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