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Montréal to Trois-Rivières

Warnings

Forecast

Marine Forecast

Issued 03:00 PM EDT 17 June 2026

Tonight and Thursday.

Strong wind warning in effect.

Wind southwest 10 to 15 knots diminishing to light near midnight then increasing to northeast 10 to 15 early Thursday morning. Wind increasing to southeast 15 to 25 late Thursday morning then veering to southwest 10 to 20 Thursday evening.

Scattered showers ending this evening with a risk of thunderstorms. Rain near noon Thursday changing to showers with a risk of thunderstorms. Visibility as low as 1 mile in precipitation.

Extended Forecast

Issued 06:00 AM EDT 17 June 2026
Friday Wind southwest 20 to 30 knots.
Saturday Wind west 15 to 25 knots diminishing to light late in the day.
Sunday 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 - 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

Warnings (In effect)

Strong wind warning in effect

Montréal to Trois-Rivières

Issued 3:00 PM EDT 17 June 2026

'Strong' winds of 20 to 33 knots are occurring or expected to occur in this marine area. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio.

Synopsis

Technical Marine Synopsis

Issued 3:00 PM EDT 17 June 2026 Tonight and Thursday At 3:00 p.m. EDT today ridge located over Nova Scotia.
By 8:00 p.m. EDT Thursday ridge located over Newfoundland.

At 3:00 p.m. EDT today low 992 mb located over the Midwestern
states.
By 8:00 p.m. EDT Thursday low 987 mb located west of Québec city.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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