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Kingston to Cornwall

Warnings

Forecast

Marine Forecast

Issued 05:26 AM EDT 16 March 2026

Today Tonight and Tuesday.

Wind southeast 20 knots veering to southwest 20 early this evening then increasing to southwest 30 Tuesday morning. Wind diminishing to west 20 near noon Tuesday and to west 15 Tuesday evening.

Scattered showers with a risk of thunderstorms early this morning and late this afternoon and this evening. Snow this evening with a risk of freezing rain near midnight changing to scattered flurries Tuesday morning. Visibility 1 mile or less in precipitation.

Extended Forecast

Issued 03:00 AM EDT 16 March 2026
Wednesday Wind light.
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 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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Ice Conditions

There is no ice forecast issued for this area.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 16 March 2026 Today Tonight and Tuesday At 3:00 a.m. EDT today low 988 mb located over southern Michigan.
By 3:00 a.m. EDT Tuesday low 979 mb located over eastern Quebec.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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