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Cornwall to Montréal

Forecast

Marine Forecast

Issued 03:00 PM EDT 21 May 2024

Tonight and Wednesday.

Wind southwest 10 to 15 knots with gusts to 40 near thunderstorms. Wind becoming light this evening then becoming southwest 10 to 15 Wednesday morning.

Showers ending near midnight with a risk of thunderstorms. Scattered showers Wednesday evening with a risk of thunderstorms. Visibility as low as 1 mile in showers.

Extended Forecast

Issued 06:00 PM EDT 21 May 2024
Thursday Wind southwest 15 to 25 knots.
Friday Wind southwest 15 to 25 knots diminishing to northwest 10 to 15 late in the day.
Saturday Wind light.

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

There is no ice forecast issued for this area.

Warnings

Warnings (In effect)

Squall warning in effect

Cornwall to Montréal

Issued 6:43 PM EDT 21 May 2024 Squalls with wind gusts up to 50 knots are expected or occurring in the area.



Please continue to monitor alerts and forecasts issued by Environment Canada. For more information monitor Canadian Coast Guard radio or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 3:00 PM EDT 21 May 2024 Tonight and Wednesday At 3:00 p.m. EDT today departing trough located on a line
north-south over Newfoundland.

At 3:00 p.m. EDT today quasi-stationary flat low located over
southern Quebec.

At 8:00 a.m. EDT Wednesday trough located on a line north-south
over Lake Huron.
By 8:00 p.m. EDT Wednesday trough located on a line north-south
over western Quebec.

St. Lawrence - St. Lawrence River Area

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