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Kingston to Cornwall

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EDT 12 October 2026

Tonight and Tuesday.

Wind southwest 10 knots becoming light this evening then becoming northeast 10 late overnight. Wind becoming light Tuesday afternoon then becoming southwest 15 Tuesday evening.

Showers tonight and Tuesday. Risk of thunderstorms Tuesday.

Extended Forecast

Issued 06:30 PM EDT 12 October 2026
Wednesday Wind light.
Thursday Wind north 15 knots diminishing to light.
Friday Wind light becoming northwest 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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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 12 October 2026 Tonight and Tuesday At 6:30 p.m. EDT tonight trough located on a line east-west over
northeastern Ontario.
By 6:30 p.m. EDT Tuesday low 1003 mb located over Georgian Bay.

At 6:30 p.m. EDT tonight high 1024 mb located over Hudson Bay.
By 6:30 p.m. EDT Tuesday high 1026 mb located over Nova Scotia.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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