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Kingston to Cornwall

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EDT 17 June 2026

Today Tonight and Thursday.

Strong wind warning in effect.

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

Scattered showers ending this evening with a risk of thunderstorms. Rain beginning overnight with a risk of thunderstorms and changing to scattered showers Thursday evening.

Extended Forecast

Issued 03:00 AM EDT 17 June 2026
Friday Wind southwest 15 knots diminishing to light late in the day.
Saturday Wind 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 10:30 AM 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 10:30 AM EDT 17 June 2026 Today Tonight and Thursday At 10:30 a.m. EDT today trough from 990 mb low located over
Minnesota.
By 10:30 a.m. EDT Thursday trough from 989 mb low located east of
Lake Nipissing.

By 10:30 a.m. EDT Thursday ridge located on a line
northeast-southwest over Nebraska.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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