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Kingston to Cornwall

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Issued 03:00 AM EST 05 March 2026

Forecasts have ended for the season.

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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 EST 5 March 2026 Today Tonight and Friday At 10:30 a.m. EST today ridge located on a line northwest-southeast
over central Quebec.
By 10:30 a.m. EST Friday departing ridge located on a line
north-south over eastern Quebec.

At 10:30 a.m. EST today low 1015 mb located over Indiana.
By 10:30 a.m. EST Friday departing low 1018 mb located over the
East Coast of the U.S.

At 10:30 a.m. EST today trough located from North Dakota to Lake
of the Woods.
By 10:30 a.m. EST Friday trough located on a line north-south over
northwestern Ontario.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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