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Kingston to Cornwall

Forecast

Marine Forecast

Issued 06:30 PM EDT 27 July 2026

Tonight and Tuesday.

Wind southwest 10 knots becoming light near midnight then becoming southeast 10 Tuesday morning. Wind backing to northeast 10 Tuesday afternoon.

Scattered showers with a risk of thunderstorms.

Extended Forecast

Issued 06:30 PM EDT 27 July 2026
Wednesday Wind northeast 15 knots diminishing to light in the afternoon.
Thursday Wind light.
Friday Wind light.

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Weather Conditions

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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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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 27 July 2026 Tonight and Tuesday At 6:30 p.m. EDT tonight low 1002 mb located over eastern Wisconsin.
By 6:30 p.m. EDT Tuesday low 999 mb located over eastern Lake
Ontario.

At 6:30 p.m. EDT tonight ridge located on a line north-south over
northwestern Ontario.
By 6:30 p.m. EDT Tuesday ridge located on a line north-south over
Lake Superior.

St. Lawrence - St. Lawrence River Area

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