Cornwall to Montréal

Forecast

Marine Forecast

Issued 08:42 AM EDT 15 August 2018

Today Tonight and Thursday.

Squall watch in effect.

Wind light becoming southwest 10 to 15 knots late this morning with gusts to 40 near thunderstorms. Wind becoming westerly 10 to 15 early this evening then becoming light near midnight. Wind light Thursday.

A few showers ending early this evening with a risk of thunderstorms.

Extended Forecast

Issued 06:00 AM EDT 15 August 2018
Friday Wind light becoming northeast 15 knots in the afternoon.
Saturday Wind north 15 to 20 knots diminishing to light late in the day.
Sunday Wind light.

Stay connected

ATOM

Weather Conditions

Skip Image

Zoom-in to make a selection

Map of St. Lawrence - St. Lawrence River marine weather areas Mont-Louis - 45138 Lake Nipissing - 45152 North Bay Airport Beauport Deschambault Île d'Orléans L'Assomption Trois-Rivières Airport Île aux-Grues Lac Saint-Pierre Montréal-Trudeau Int'l Airport Saint-Hubert Airport Lac Memphremagog 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 Bouctouche AAFC Charlo Miramichi Fundy Park (Alma) Grand Manan 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

Access this Bulletin from another source?

Warnings

Watches (In effect)

Squall watch in effect

Cornwall to Montréal

Issued 08:46 AM EDT 15 August 2018 Conditions are favourable for the development of squalls with wind gusts up to 40 knots and frequent lightning.


Mariners are advised to prepare for potential squalls. Vulnerable vessels are most at risk and should seek safe harbour if underway. Consider delaying or postponing travel in areas under the Squall Watch.

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 AM EDT 15 August 2018 Today Tonight and Thursday At 3:00 a.m. EDT today cold front located from Labrador to Lake
Saint-Jean then to Lake Huron.
By 8:00 p.m. EDT tonight departing cold front located from Anticosti
Island to Cornwall.

At 8:00 p.m. EDT tonight building ridge located on a line
northeast-southwest over northern Quebec.
By 8:00 p.m. EDT Thursday ridge located from Labrador to New
England.

St. Lawrence - St. Lawrence River Area

Another Region

What we are doing

Features

UV Index and sun protection

Play it safe!

Extreme Heat Protection

Be weather wise!

Lightning Safety

When thunder roars, GO INDOORS!

Date modified: