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Kingston to Cornwall

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EDT 12 April 2026

Tonight and Monday.

Wind southeast 10 knots increasing to south 15 near midnight then veering to southwest 15 early Monday morning. Wind diminishing to west 10 Monday evening.

Showers ending overnight. Showers Monday.

Extended Forecast

Issued 06:30 PM EDT 12 April 2026
Tuesday Wind light.
Wednesday Wind light becoming southwest 15 knots.
Thursday Wind light becoming southwest 15 knots late in the day.

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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 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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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 12 April 2026 Tonight and Monday At 6:30 p.m. EDT tonight low 995 mb located over northwestern
Ontario.
By 6:30 p.m. EDT Monday trough from 972 mb low located on a line
northeast-southwest over southern Ontario.

By 6:30 p.m. EDT Monday building ridge located over northern
Ontario.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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