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Cornwall to Montréal

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 03 April 2025

Today Tonight and Friday.

Gale warning in effect.

Wind southeast 15 to 25 knots veering to southwest 15 to 25 late this morning then increasing to southwest 25 to 35 late this afternoon. Wind diminishing to west 15 to 25 early this evening and to west 10 to 15 overnight. Wind becoming light near noon Friday.

Showers ending this evening.

Extended Forecast

Issued 06:00 PM EDT 02 April 2025
Friday Wind west 15 to 20 knots.
Saturday Wind southeast 20 to 30 knots.
Sunday Wind westerly 15 knots.

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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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buoy Buoy
land station Land Station
Ice Conditions

There is no ice forecast issued for this area.

Warnings

Warnings (In effect)

Gale warning in effect

Cornwall to Montréal

Issued 03:00 AM EDT 03 April 2025

'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 3 April 2025 Today Tonight and Friday At 3:00 a.m. EDT today low 990 mb located over Lake Superior.
By 3:00 a.m. EDT Friday departing low 1005 mb located near
Pointe-des-Monts.

At 3:00 a.m. EDT today trough located on a line northwest-southeast
over the low.
By 3:00 a.m. EDT Friday quasi-stationary trough located on a line
northwest-southeast over Pointe-des-Monts.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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