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Kingston to Cornwall

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Forecast

Marine Forecast

Issued 06:30 PM EST 12 December 2025

Tonight and Saturday.

Wind light becoming south 10 knots early Saturday morning then increasing to southwest 20 Saturday afternoon. Wind diminishing to southwest 10 Saturday evening.

Periods of snow Saturday. Visibility as low as 1 mile in snow.

Extended Forecast

Issued 06:30 PM EST 12 December 2025
Sunday Wind light.
Monday Wind light.
Tuesday Wind light becoming south 15 knots late in the day.

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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 12 December 2025 Tonight and Saturday At 6:30 p.m. EST tonight departing ridge located on a line
north-south over southern Ontario.

At 6:30 p.m. EST tonight low 1008 mb located over northern Ontario.
By 6:30 p.m. EST Saturday low 1010 mb located over northeastern
Ontario.

By 6:30 p.m. EST Saturday approaching ridge located on a line
north-south over North Dakota.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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