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Kingston to Cornwall

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EDT 19 June 2025

Tonight and Friday.

Wind southwest 15 to 20 knots becoming west 15 near midnight then diminishing to west 10 early Friday morning. Wind becoming light Friday evening.

Scattered showers ending Friday morning. Risk of thunderstorms early this evening.

Extended Forecast

Issued 06:30 PM EDT 19 June 2025
Saturday Wind light becoming southwest 15 knots late in the day.
Sunday Wind southwest 15 knots diminishing to light.
Monday Wind light.

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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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buoy Buoy
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 6:30 PM EDT 19 June 2025 Tonight and Friday At 6:30 p.m. EDT tonight low 998 mb located west of Ottawa.
By 6:30 p.m. EDT Friday low 993 mb located over the Gulf of
St. Lawrence.

At 6:30 p.m. EDT tonight ridge located on a line northeast-southwest
over James Bay.
By 6:30 p.m. EDT Friday weakening ridge located on a line
north-south over James Bay.

By 6:30 p.m. EDT Friday approaching trough located on a line
northeast-southwest over Manitoba.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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