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Kingston to Cornwall

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Forecast

Marine Forecast

Issued 03:00 AM EST 05 December 2025

Today Tonight and Saturday.

Wind light becoming south 10 knots this morning then 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 3:00 AM EST 5 December 2025 Today Tonight and Saturday At 3:00 a.m. EST today ridge located on a line north-south over
Ottawa.
By 3:00 a.m. EST Saturday departing ridge located on a line
north-south over New Brunswick.

At 3:00 a.m. EST today cold front located on a line
northeast-southwest over southern Manitoba.
By 3:00 a.m. EST Saturday cold front located on a line
northeast-southwest over Sault Ste. Marie.

St. Lawrence - St. Lawrence River Area

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