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Kingston to Cornwall

Forecast

Marine Forecast

Issued 03:00 AM EDT 05 September 2026

Today Tonight and Sunday.

Wind light becoming northeast 10 knots this evening then becoming light Sunday afternoon.

Scattered showers this afternoon and tonight. Risk of thunderstorms late this afternoon and this evening. Fog patches dissipating this morning.

Extended Forecast

Issued 03:00 AM EDT 05 September 2026
Monday Wind light.
Tuesday Wind light.
Wednesday Wind light becoming southwest 15 knots.

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Weather Conditions

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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 3:00 AM EDT 5 September 2026 Today Tonight and Sunday At 3:00 a.m. EDT today departing trough located on a line
northwest-southeast over Michigan.

At 3:00 a.m. EDT today ridge located from Hudson Bay to Lake
Superior.
By 3:00 a.m. EDT Sunday ridge located on a line northeast-southwest
over northeastern Ontario.

St. Lawrence - St. Lawrence River Area

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