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Montréal to Trois-Rivières

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 18 June 2026

Today Tonight and Friday.

Strong wind warning in effect.

Wind light increasing to northeast 10 to 15 knots early this morning and to southeast 15 to 25 late this morning. Wind diminishing to southwest 10 to 15 late this afternoon then increasing to southwest 15 to 25 this evening. Wind southwest 15 to 25 Friday.

Rain changing to showers near noon. Risk of thunderstorms this afternoon and this evening and Friday afternoon and evening. Visibility 1 mile or less in precipitation.

Extended Forecast

Issued 06:00 AM EDT 18 June 2026
Saturday Wind west 15 to 25 knots diminishing to westerly 10 to 15 in the afternoon.
Sunday Wind light.
Monday Wind light becoming southwest 10 to 15 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

Warnings (In effect)

Strong wind warning in effect

Montréal to Trois-Rivières

Issued 03:00 AM EDT 18 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 AM EDT 18 June 2026 Today Tonight and Friday At 3:00 a.m. EDT today ridge located over western Newfoundland.
By 8:00 p.m. EDT tonight departing ridge located over eastern
Newfoundland.

At 3:00 a.m. EDT today low 992 mb located over Lake Michigan.
By 8:00 p.m. EDT Friday low 994 mb located northeast of New
Brunswick.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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