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Montréal to Trois-Rivières

Forecast

Marine Forecast

Issued 03:00 AM EDT 16 June 2026

Today Tonight and Wednesday.

Wind westerly 10 to 15 knots increasing to southwest 15 to 20 near noon then diminishing to southwest 10 to 15 early this evening. Wind becoming light near midnight then becoming southwest 10 to 15 Wednesday afternoon.

Scattered showers Wednesday afternoon and evening.

Extended Forecast

Issued 06:00 PM EDT 15 June 2026
Wednesday Wind light becoming southwest 10 to 15 knots in the afternoon.
Thursday Wind easterly 10 to 20 knots becoming southwest 15 to 20 late in the day.
Friday Wind southwest 20 knots.

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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 - Quai de St-Jean 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 16 June 2026 Today Tonight and Wednesday At 3:00 a.m. EDT today trough located on a line north-south over
Rimouski.
By 8:00 p.m. EDT tonight dissipating trough located on a line
northwest-southeast over the Gulf of St. Lawrence.

At 3:00 a.m. EDT today ridge located on a line northeast-southwest
over Lake Ontario.
By 8:00 p.m. EDT Wednesday ridge located on a line north-south
over Nova Scotia.

At 8:00 p.m. EDT Wednesday approaching low 989 mb located over
the Midwestern states.

St. Lawrence - St. Lawrence River Area

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