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Kingston to Cornwall

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EDT 13 July 2026

Today Tonight and Tuesday.

Wind light becoming southwest 10 knots near noon then increasing to southwest 15 Tuesday morning. Wind diminishing to southwest 10 Tuesday evening.

Scattered showers this afternoon and tonight with a risk of thunderstorms.

Extended Forecast

Issued 03:00 AM EDT 13 July 2026
Wednesday Wind west 15 knots diminishing to light in the morning.
Thursday Wind light becoming west 15 knots.
Friday Wind light.

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Map of St. Lawrence - St. Lawrence River marine weather areas Miramichi North Cape Port Menier Roberval Airport Normandin Mistook Jonquière CFB Bagotville Cap-Chat Île Bicquette Charlo North Bay Airport Yarmouth Airport Brier Island St. Stephen Saint John Airport Point Lepreau Greater Moncton Roméo LeBlanc Int'l Airport Miscou Island Kouchibouguac Kouchibouguac Grand Manan Fundy Park (Alma) Bas Caraquet Bathurst Airport Lac Saint-Pierre Pointe-Noire Île-d'Orléans - Quai de St-Jean Pointe-des-Monts L'Assomption Sept-Îles Airport Pointe Claveau Pointe de l'Islet Trois-Rivières Airport L'Isle-aux-Grues Deschambault Île Rouge Montréal-Trudeau Int'l Airport Montréal Metropolitain Airport Lac Memphrémagog Sainte-Anne-de-Bellevue Cap-Rouge Saint-Anicet Baie-Comeau Airport La Pocatière Pointe-au-Père New Carlisle Mont-Joli Airport Gaspé Airport Lake Nipissing - 45152 Rivière-la-Madeleine Beauport Cap-d'Espoir
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buoy Buoy
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 13 July 2026 Today Tonight and Tuesday At 10:30 a.m. EDT today ridge located on a line east-west over
southern Ontario.
By 10:30 a.m. EDT Tuesday ridge located on a line east-west
over Ohio.

At 10:30 a.m. EDT today low 999 mb located over western Hudson Bay.
By 10:30 a.m. EDT Tuesday low 984 mb located east of Hudson Bay.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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