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Kingston to Cornwall

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EDT 07 August 2026

Tonight and Saturday.

Wind light becoming southwest 10 knots near noon Saturday.

Scattered showers overnight and Saturday. Risk of thunderstorms tonight and Saturday.

Extended Forecast

Issued 06:30 PM EDT 07 August 2026
Sunday Wind light.
Monday Wind light becoming southwest 15 knots.
Tuesday Wind light.

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Map of St. Lawrence - St. Lawrence River marine weather areas Grand Manan New Carlisle Pointe-au-Père Fundy Park (Alma) Port Menier Miramichi Île Bicquette Charlo Cap-Chat Bathurst Airport CFB Bagotville Jonquière Mistook Normandin Roberval Airport Île-d'Orléans - Quai de St-Jean Deschambault North Bay Airport Beauport L'Isle-aux-Grues Bas Caraquet Lake Nipissing - 45152 Pointe-des-Monts L'Assomption Baie-Comeau Airport Saint-Anicet Cap-Rouge Sainte-Anne-de-Bellevue Lac Memphrémagog Montréal Metropolitain Airport Île Rouge Montréal-Trudeau Int'l Airport Lac Saint-Pierre Trois-Rivières Airport Pointe de l'Islet Pointe Claveau Sept-Îles Airport Kouchibouguac 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 La Pocatière Miscou Island Mont-Joli Airport
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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 7 August 2026 Tonight and Saturday At 6:30 p.m. EDT tonight ridge located on a line northeast-southwest
over Lake Ontario.
By 6:30 p.m. EDT Saturday ridge located from Iowa to North Carolina.

At 6:30 p.m. EDT tonight cold front located on a line
northeast-southwest over Lake Superior.
By 6:30 p.m. EDT Saturday cold front located on a line
northeast-southwest over Lake Simcoe.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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