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Kingston to Cornwall

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EDT 09 August 2026

Tonight and Monday.

Wind southwest 10 knots becoming light this evening then becoming southwest 10 early Monday morning. Wind increasing to southwest 15 near noon Monday then diminishing to west 10 Monday evening.

Scattered showers Monday with a risk of thunderstorms.

Extended Forecast

Issued 06:30 PM EDT 09 August 2026
Tuesday Wind light.
Wednesday Wind light.
Thursday Wind light.

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Map of St. Lawrence - St. Lawrence River marine weather areas Grand Manan New Carlisle Pointe-au-Père Fundy Park (Alma) Port Menier Miramichi Île Bicquette Charlo Cap-Chat Bathurst Airport CFB Bagotville Jonquière Mistook Normandin Roberval Airport Île-d'Orléans - Quai de St-Jean Deschambault North Bay Airport Beauport L'Isle-aux-Grues Bas Caraquet Lake Nipissing - 45152 Pointe-des-Monts L'Assomption Baie-Comeau Airport Saint-Anicet Cap-Rouge Sainte-Anne-de-Bellevue Lac Memphrémagog Montréal Metropolitain Airport Île Rouge Montréal-Trudeau Int'l Airport Lac Saint-Pierre Trois-Rivières Airport Pointe de l'Islet Pointe Claveau Sept-Îles Airport Kouchibouguac 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 La Pocatière Miscou Island Mont-Joli Airport
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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 6:30 PM EDT 9 August 2026 Tonight and Monday At 6:30 p.m. EDT tonight dissipating ridge located on a line
north-south over Lake Erie.

At 6:30 p.m. EDT tonight trough located on a line
northeast-southwest over Wisconsin.
By 6:30 p.m. EDT Monday trough located on a line north-south over
eastern Ontario.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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