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Kingston to Cornwall

Forecast

Marine Forecast

Issued 10:30 AM EDT 11 September 2026

Today Tonight and Saturday.

Wind light becoming south 10 knots early Saturday morning.

Extended Forecast

Issued 03:00 AM EDT 11 September 2026
Sunday Wind light becoming southwest 15 knots in the morning then diminishing to light late in the day.
Monday Wind light.
Tuesday Wind light becoming south 15 knots.

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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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Ice Conditions

There is no ice forecast issued for this area.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EDT 11 September 2026 Today Tonight and Saturday At 10:30 a.m. EDT today ridge located on a line northeast-southwest
over southern Ontario.
By 10:30 a.m. EDT Saturday ridge located on a line
northeast-southwest over the Eastern Seaboard.

At 10:30 a.m. EDT today trough from 990 mb low located on a line
north-south over Lake of the Woods.
By 10:30 a.m. EDT Saturday trough from 988 mb low located over
Lake Superior.

St. Lawrence - St. Lawrence River Area

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