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Kingston to Cornwall

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EDT 07 September 2026

Today Tonight and Tuesday.

Wind light becoming west 10 knots this afternoon then becoming light late overnight. Wind light Tuesday.

Scattered showers Tuesday late in the day.

Extended Forecast

Issued 03:00 AM EDT 07 September 2026
Wednesday Wind light becoming southwest 15 knots in the afternoon.
Thursday Wind southwest 15 knots diminishing to light late in the day.
Friday 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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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 10:30 AM EDT 7 September 2026 Today Tonight and Tuesday At 10:30 a.m. EDT today high 1024 mb located over Lake Huron.
By 10:30 a.m. EDT Tuesday ridge located on a line north-south over
eastern Ontario.

At 10:30 a.m. EDT today warm front located on a line east-west
over northwestern Ontario.
By 10:30 a.m. EDT Tuesday warm front located on a line east-west
over northern Ontario.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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