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Kingston to Cornwall

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 19 May 2026

Today Tonight and Wednesday.

Wind southwest 10 knots increasing to southwest 15 this evening then diminishing to southwest 10 Wednesday morning. Wind increasing to west 15 Wednesday afternoon.

Scattered showers ending early this morning. Showers tonight and Wednesday morning with a risk of thunderstorms.

Extended Forecast

Issued 03:00 AM EDT 19 May 2026
Thursday Wind light.
Friday Wind light.
Saturday 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 10:30 AM EDT 19 May 2026 Today Tonight and Wednesday At 10:30 a.m. EDT today low 1005 mb located over eastern Lake
Superior.
By 10:30 a.m. EDT Wednesday low 997 mb located over central Quebec.

At 10:30 a.m. EDT today cold front located from Lake Superior
to Missouri.
By 10:30 a.m. EDT Wednesday cold front located on a line
northeast-southwest over the St. Lawrence River.

At 10:30 a.m. EDT today ridge located on a line northeast-southwest
over Manitoba.
By 10:30 a.m. EDT Wednesday ridge located on a line
northeast-southwest over Minnesota.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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