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Kingston to Cornwall

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EDT 15 March 2026

Today Tonight and Monday.

Wind northeast 10 knots increasing to northeast 15 early this evening and to southeast 25 near midnight. Wind veering to southwest 20 Monday afternoon.

Periods of snow ending this evening. Scattered showers beginning overnight with a risk of thunderstorms Monday afternoon and evening and changing to scattered flurries Monday evening.

Extended Forecast

Issued 03:00 AM EDT 15 March 2026
Tuesday Wind southwest 20 knots.
Wednesday Wind light.
Thursday Wind southwest 15 knots diminishing to light late in the day.

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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 10:30 AM EDT 15 March 2026 Today Tonight and Monday At 10:30 a.m. EDT today departing ridge located on a line
north-south over eastern Ontario.

At 10:30 a.m. EDT today low 992 mb located over Iowa.
By 10:30 a.m. EDT Monday low 986 mb located over Lake Huron.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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