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Kingston to Cornwall

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EDT 17 May 2026

Tonight and Monday.

Wind light tonight and Monday.

Scattered showers overnight and Monday morning with a risk of thunderstorms.

Extended Forecast

Issued 06:30 PM EDT 17 May 2026
Tuesday Wind southwest 15 knots.
Wednesday Wind light becoming northwest 15 knots.
Thursday 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 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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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 17 May 2026 Tonight and Monday At 6:30 p.m. EDT tonight departing ridge located from James Bay
to Pennsylvania.

At 6:30 p.m. EDT tonight low 993 mb located over western Kansas.
By 6:30 p.m. EDT Monday low 1010 mb located over southwestern
Quebec.

At 6:30 p.m. EDT tonight trough from low located from Minnesota
to Kansas.
By 6:30 p.m. EDT Monday trough from low located from Lake Nipissing
to Wisconsin.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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