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Kingston to Cornwall

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EDT 08 September 2026

Today Tonight and Wednesday.

Wind light becoming south 10 knots early Wednesday morning then increasing to southwest 15 Wednesday evening.

Scattered showers this morning. Showers Wednesday with a risk of thunderstorms.

Extended Forecast

Issued 03:00 AM EDT 08 September 2026
Thursday Wind southwest 15 knots diminishing to light in the afternoon.
Friday Wind light.
Saturday Wind light becoming south 15 knots late in the day.

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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 10:30 AM EDT 8 September 2026 Today Tonight and Wednesday At 10:30 a.m. EDT today departing ridge located on a line
north-south over Quebec.

At 10:30 a.m. EDT today low 998 mb located over central Manitoba.
By 10:30 a.m. EDT Wednesday low 984 mb located over James Bay.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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