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Kingston to Cornwall

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Forecast

Marine Forecast

Issued 03:00 AM EST 07 December 2025

Today Tonight and Monday.

Wind light becoming northeast 10 knots this afternoon then backing to north 10 this evening. Wind backing to northwest 10 overnight then becoming light Monday morning.

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

Extended Forecast

Issued 03:00 AM EST 07 December 2025
Tuesday Wind light becoming south 15 knots in the afternoon.
Wednesday Wind south 15 knots.
Thursday Wind northwest 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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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 7 December 2025 Today Tonight and Monday At 3:00 a.m. EST today low 1014 mb located over Illinois.
By 3:00 a.m. EST Monday departing low 1012 mb located south of
Nova Scotia.

At 3:00 a.m. EST today ridge located on a line northwest-southeast
over Saskatchewan.
By 3:00 a.m. EST Monday ridge located on a line north-south over
northwestern Ontario.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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