Language selection

Weather shortcuts

Cornwall to Montréal

Forecast

Marine Forecast

Issued 03:00 AM EDT 12 October 2024

Today Tonight and Sunday.

Gale warning in effect.

Wind northwest 25 to 35 knots diminishing to northwest 15 to 25 early this morning and to northwest 10 to 15 early this evening. Wind becoming light late this evening then becoming northeast 10 to 15 Sunday afternoon.

Scattered showers ending early this morning.

Extended Forecast

Issued 06:00 AM EDT 12 October 2024
Monday Wind northeast 15 to 25 knots backing to northwest 15 to 25 late in the day.
Tuesday Wind westerly 15 to 25 knots.
Wednesday Wind westerly 15 to 25 knots.

Stay connected

ATOM

Weather Conditions

Skip Image

Zoom-in to make a selection

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
Legend:
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 12 October 2024

'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 12 October 2024 Today Tonight and Sunday At 3:00 a.m. EDT today quasi-stationary low located over Labrador
Sea.

At 3:00 a.m. EDT today trough located on a line northeast-southwest
over Saguenay River.
By 8:00 p.m. EDT tonight departing trough located on a line
northeast-southwest over Newfoundland.

At 3:00 a.m. EDT today ridge located on a line northwest-southeast
over Lake Superior.
By 8:00 p.m. EDT Sunday ridge located on a line northwest-southeast
over Saguenay River.

St. Lawrence - St. Lawrence River Area

Another Region

Features

New Predicting and Alerting Coastal Flooding Program

Find out about coastal flooding coverage, forecasts and warnings in your region

Date modified: