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Montréal to Trois-Rivières

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 19 April 2026

Today Tonight and Monday.

Wind west 15 to 25 knots becoming west 15 this morning then diminishing to light early this evening. Wind becoming northwest 10 to 15 after midnight then becoming light Monday evening.

Rain ending this afternoon. Flurries overnight.

Temperatures plus 15 falling to minus 1 overnight.

Extended Forecast

Issued 06:00 PM EDT 18 April 2026
Monday Wind west 15 knots diminishing to light late in the day.
Tuesday Wind light becoming southwest 10 to 15 knots late in the day.
Wednesday Wind light.

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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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land station Land Station
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 19 April 2026 Today Tonight and Monday At 3:00 a.m. EDT today departing high 1030 mb located off
Newfoundland.

At 3:00 a.m. EDT today trough located on a line north-south over
Montréal.
By 6:00 a.m. EDT Monday departing trough located on a line
north-south over the Gulf of St. Lawrence.

At 3:00 a.m. EDT today high 1028 mb located over Manitoba.
By 8:00 p.m. EDT Monday high 1030 mb located over southern Ontario.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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