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Kingston to Cornwall

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Marine Forecast

Issued 10:30 AM EST 05 December 2025

Today Tonight and Saturday.

Wind south 10 knots increasing to southwest 15 near noon Saturday.

Scattered flurries Saturday.

Extended Forecast

Issued 03:00 AM EST 05 December 2025
Sunday Wind light.
Monday Wind light.
Tuesday Wind light becoming south 15 knots.

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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 10:30 AM EST 5 December 2025 Today Tonight and Saturday At 10:30 a.m. EST today ridge located on a line north-south over
central Quebec.
By 10:30 a.m. EST Saturday departing ridge located on a line
north-south over New Brunswick.

At 10:30 a.m. EST today cold front located on a line
northeast-southwest over northwestern Ontario.
By 10:30 a.m. EST Saturday cold front located on a line
northeast-southwest over northeastern Ontario.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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