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Kingston to Cornwall

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Forecast

Marine Forecast

Issued 06:30 PM EST 06 December 2025

Tonight and Sunday.

Wind southwest 15 knots diminishing to west 10 this evening then becoming light late overnight. Wind becoming northeast 10 Sunday afternoon then backing to north 10 Sunday evening.

Flurries this evening. Snow Sunday afternoon and evening. Visibility 1 mile or less in snow.

Extended Forecast

Issued 06:30 PM EST 06 December 2025
Monday Wind light.
Tuesday Wind light becoming south 15 knots.
Wednesday Wind south 15 knots diminishing to light.

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Map of St. Lawrence - St. Lawrence River marine weather areas Cap-Chat Mont-Joli Airport Bathurst Airport Île Bicquette Charlo Port Menier Miramichi Pointe-au-Père Fundy Park (Alma) New Carlisle Grand Manan Bas Caraquet CFB Bagotville Jonquière Mistook Normandin Roberval Airport Deschambault Beauport North Bay Airport Trois-Rivières Airport Lake Nipissing - 45152 Kouchibouguac Baie-Comeau Airport Île d'Orléans Saint-Anicet Sainte-Anne-de-Bellevue Cap-Rouge Lac Memphrémagog Montréal Metropolitain Airport Montréal-Trudeau Int'l Airport Île Rouge Lac Saint-Pierre L'Isle-aux-Grues L'Assomption Pointe de l'Islet Pointe Claveau Sept-Îles Airport Pointe-des-Monts North Cape Pointe-Noire Yarmouth Airport Cap-d'Espoir Brier Island Rivière-la-Madeleine St. Stephen Gaspé Airport Saint John Airport Point Lepreau Greater Moncton Roméo LeBlanc Int'l Airport Miscou Island Kouchibouguac La Pocatière
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buoy Buoy
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 EST 6 December 2025 Tonight and Sunday At 6:30 p.m. EST tonight departing cold front located on a line
north-south over Ottawa.

At 6:30 p.m. EST tonight disturbance located over Iowa.
By 6:30 p.m. EST Sunday low 1015 mb located east of Lake Ontario.

At 6:30 p.m. EST tonight ridge located on a line northwest-southeast
over Saskatchewan.
By 6:30 p.m. EST Sunday ridge located on a line north-south over
Lake of the Woods.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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