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Cornwall to Montréal

Warnings

Forecast

Marine Forecast

Issued 03:00 PM EDT 18 May 2025

Tonight and Monday.

Strong wind warning in effect.

Wind northwest 15 to 25 knots becoming northwesterly 15 near midnight. Wind northwesterly 15 Monday.

Showers ending overnight.

Extended Forecast

Issued 06:00 AM 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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Ice Conditions

There is no ice forecast issued for this area.

Warnings

Warnings (In effect)

Strong wind warning in effect

Cornwall to Montréal

Issued 3:00 PM EDT 18 May 2025

'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 PM EDT 18 May 2025 Tonight and Monday At 3:00 p.m. EDT today low 994 mb located over Maine.
By 8:00 p.m. EDT Monday low 998 mb located south of Nova Scotia.

At 8:00 p.m. EDT tonight ridge located on a line north-south over
western Lake Superior.
By 8:00 p.m. EDT Monday ridge located on a line north-south over
Lake Erie.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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