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Cornwall to Montréal

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 19 May 2025

Today Tonight and Tuesday.

Wind light becoming northwesterly 15 knots early this morning then diminishing to light Tuesday evening.

Scattered showers Tuesday evening.

Extended Forecast

Issued 06:00 PM EDT 18 May 2025
Tuesday Wind northerly 10 to 15 knots.
Wednesday Wind northeast 10 to 15 knots.
Thursday Wind northeast 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 19 May 2025 Today Tonight and Tuesday At 3:00 a.m. EDT today low 994 mb located over New Brunswick.
By 8:00 p.m. EDT Tuesday low 1002 mb located off Nova Scotia.

At 3:00 a.m. EDT today ridge located on a line north-south over
Lake Superior.
By 8:00 p.m. EDT tonight ridge located on a line north-south
over Montréal.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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