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Kingston to Cornwall

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EDT 17 June 2026

Tonight and Thursday.

Strong wind warning in effect.

Wind southwest 10 knots becoming light this evening then becoming southeast 10 near midnight. Wind increasing to south 20 early Thursday morning then veering to southwest 25 near noon Thursday.

Scattered showers this evening. Rain beginning overnight changing to scattered showers Thursday evening. Risk of thunderstorms early this evening. Risk of thunderstorms overnight and Thursday.

Extended Forecast

Issued 06:30 PM EDT 17 June 2026
Friday Wind southwest 25 knots diminishing to west 15 late in the day.
Saturday Wind west 15 knots diminishing to light.
Sunday Wind light.

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Map of St. Lawrence - St. Lawrence River marine weather areas Miramichi North Cape Port Menier Roberval Airport Normandin Mistook Jonquière CFB Bagotville Cap-Chat Île Bicquette Charlo North Bay Airport Yarmouth Airport Brier Island St. Stephen Saint John Airport Point Lepreau Greater Moncton Roméo LeBlanc Int'l Airport Miscou Island Kouchibouguac Kouchibouguac Grand Manan Fundy Park (Alma) Bas Caraquet Bathurst Airport Lac Saint-Pierre Pointe-Noire Île-d'Orléans - Quai de St-Jean Pointe-des-Monts L'Assomption Sept-Îles Airport Pointe Claveau Pointe de l'Islet Trois-Rivières Airport L'Isle-aux-Grues Deschambault Île Rouge Montréal-Trudeau Int'l Airport Montréal Metropolitain Airport Lac Memphrémagog Sainte-Anne-de-Bellevue Cap-Rouge Saint-Anicet Baie-Comeau Airport La Pocatière Pointe-au-Père New Carlisle Mont-Joli Airport Gaspé Airport Lake Nipissing - 45152 Rivière-la-Madeleine Beauport Cap-d'Espoir
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Ice Conditions

There is no ice forecast issued for this area.

Warnings

Warnings (In effect)

Strong wind warning in effect

Kingston to Cornwall

Issued 6:30 PM EDT 17 June 2026

'Strong' winds of 20 to 33 knots are occurring or expected to occur in this marine area. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio.

Synopsis

Technical Marine Synopsis

Issued 6:30 PM EDT 17 June 2026 Tonight and Thursday At 6:30 p.m. EDT tonight low 990 mb located over southern Minnesota.
By 6:30 p.m. EDT Thursday low 991 mb located over southern Quebec.

By 6:30 p.m. EDT Thursday trough located on a line north-south
over western Lake Superior.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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