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Cornwall to Montréal

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 13 June 2026

Today Tonight and Sunday.

Strong wind warning in effect.

Wind west 15 knots increasing to west 15 to 25 this morning then diminishing to west 10 to 15 this evening. Wind increasing to southwest 15 to 25 Sunday morning then diminishing to light Sunday evening.

Showers overnight and Sunday.

Extended Forecast

Issued 06:00 AM EDT 13 June 2026
Monday Wind southwest 15 knots.
Tuesday Wind southwest 10 to 20 knots.
Wednesday Wind southwest 10 to 15 knots becoming light 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 - 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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land station Land Station
Ice Conditions

There is no ice forecast issued for this area.

Warnings

Warnings (In effect)

Strong wind warning in effect

Cornwall to Montréal

Issued 09:11 AM EDT 13 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 3:00 AM EDT 13 June 2026 Today Tonight and Sunday At 3:00 a.m. EDT today dissipating trough located on a line
northeast-southwest over Lake Saint-Jean.

At 3:00 a.m. EDT today trough located on a line north-south over
Lake Superior.
By 8:00 p.m. EDT Sunday trough located on a line north-south over
Saguenay River.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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