Language selection

Weather shortcuts

Cornwall to Montréal

Forecast

Marine Forecast

Issued 03:00 PM EST 11 December 2024

Tonight and Thursday.

Gale warning in effect.

Wind light increasing to southwest 15 to 25 knots early this evening and to southwest 35 to 45 late overnight. Wind diminishing to southwest 25 to 35 near noon Thursday.

Rain changing to flurries near midnight and ending overnight. Scattered flurries Thursday evening. Visibility as low as 1 mile in precipitation.

Temperatures plus 3 falling to minus 5 Thursday evening.

Extended Forecast

Issued 06:00 AM EST 11 December 2024
Friday Wind southwest 20 knots.
Saturday Wind light.
Sunday Wind east 10 to 15 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 3:00 PM EST 11 December 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 PM EST 11 December 2024 Tonight and Thursday At 3:00 p.m. EST today deepening low 995 mb located southeast of
Lake Ontario.
By 7:00 p.m. EST Thursday low 964 mb located over the Ungava
Peninsula.

St. Lawrence - St. Lawrence River Area

Another Region

Features

Canada's 10 most impactful weather stories of 2024

Find out which weather events made the list

Date modified: