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Kingston to Cornwall

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EDT 12 October 2026

Today Tonight and Tuesday.

Wind light becoming southwest 10 knots this afternoon then becoming northeast 10 this evening. Wind becoming light Tuesday evening.

Scattered showers tonight and Tuesday. Risk of thunderstorms Tuesday morning and afternoon.

Extended Forecast

Issued 03:00 AM EDT 12 October 2026
Wednesday Wind light.
Thursday Wind light.
Friday Wind light increasing to northwest 25 knots late in the day.

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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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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 10:28 AM EDT 12 October 2026 Today Tonight and Tuesday At 10:30 a.m. EDT today departing low 1008 mb located south of
Nova Scotia.

At 10:30 a.m. EDT today trough located on a line northeast-southwest
over northeastern Ontario.
By 10:30 a.m. EDT Tuesday low 1004 mb located over Lake Huron.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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