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Montréal to Trois-Rivières

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 15 May 2026

Today Tonight and Saturday.

Strong wind warning in effect.

Wind northeast 15 knots diminishing to light near noon then increasing to southwest 10 to 20 near midnight. Wind increasing to southwest 20 to 30 Saturday morning.

Scattered showers and mist ending early this morning. Visibility as low as 1 mile in mist.

Extended Forecast

Issued 06:00 AM EDT 15 May 2026
Sunday Wind southwest 15 to 25 knots becoming northwest 15 in the morning.
Monday Wind light.
Tuesday Wind light increasing to southwest 20 to 30 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 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 15 May 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 or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 15 May 2026 Today Tonight and Saturday At 3:00 a.m. EDT today low 999 mb located off Nova Scotia.
By 8:00 p.m. EDT Saturday low 988 mb located off Newfoundland.

At 3:00 a.m. EDT today ridge located from the Great Lakes to
Labrador.
By 8:00 p.m. EDT Saturday ridge located from Cabot Strait to the
Strait of Belle Isle.

At 8:00 p.m. EDT Saturday approaching trough located on a line
northeast-southwest over northwestern Quebec.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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