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Cornwall to Montréal

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 16 May 2025

Today Tonight and Saturday.

Wind light becoming southwest 15 knots early this afternoon then diminishing to light this evening. Wind light Saturday.

Showers or scattered thunderstorms this afternoon this evening Saturday afternoon and evening. Fog patches forming after midnight and dissipating Saturday morning.

Extended Forecast

Issued 06:00 AM EDT 16 May 2025
Sunday Wind southwest 10 to 15 knots increasing to northwest 15 to 25 in the afternoon.
Monday Wind northwest 15 knots.
Tuesday Wind northwest 10 to 15 knots.

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Map of St. Lawrence - St. Lawrence River marine weather areas Cap-Chat Mont-Joli Airport Bathurst Airport Île Bicquette Charlo Port Menier Miramichi Pointe-au-Père Fundy Park (Alma) New Carlisle Grand Manan Bas Caraquet CFB Bagotville Jonquière Mistook Normandin Roberval Airport Deschambault Beauport North Bay Airport Trois-Rivières Airport Lake Nipissing - 45152 Kouchibouguac Baie-Comeau Airport Île d'Orléans Saint-Anicet Sainte-Anne-de-Bellevue Cap-Rouge Lac Memphrémagog Saint-Hubert Airport Montréal-Trudeau Int'l Airport Île Rouge Lac Saint-Pierre L'Isle-aux-Grues L'Assomption Pointe de l'Islet Pointe Claveau Sept-Îles Airport Pointe-des-Monts North Cape Pointe-Noire Yarmouth Airport Cap-d'Espoir Brier Island Rivière-la-Madeleine St. Stephen Gaspé Airport Saint John Airport Point Lepreau Greater Moncton Roméo LeBlanc Int'l Airport Miscou Island Kouchibouguac La Pocatière
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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 16 May 2025 Today Tonight and Saturday At 3:00 a.m. EDT today ridge located from Hudson Bay to Anticosti
Island.
By 8:00 p.m. EDT Saturday departing ridge located on a line
north-south over Labrador Coast.

At 3:00 a.m. EDT today low 987 mb located west of Lake Superior.
By 8:00 p.m. EDT Saturday low 995 mb located over southern Quebec.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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