Language selection

Weather shortcuts

Lurcher

Forecast

Marine Forecast

Issued 03:00 AM ADT 18 June 2026

Today Tonight and Friday.

Strong wind warning in effect.

Wind light increasing to southeast 15 knots near noon and to southeast 20 to 25 early this evening. Wind increasing to southeast 30 this evening then diminishing to southwest 20 overnight. Wind southwest 20 Friday.

Rain tonight with a risk of thunderstorms. Fog patches dissipating Friday morning.

Waves

Issued 05:00 AM ADT 18 June 2026
Today Tonight and Friday. Seas 1 metre or less building to 1 to 2 this afternoon and to 2 to 3 near midnight.

Extended Forecast

Issued 03:00 AM ADT 18 June 2026
Saturday Wind westerly 15 to 20 knots backing to southwest 20 to 25 in the afternoon.
Sunday Wind westerly 15 knots diminishing to light.
Monday Wind southwest 10 to 15 knots increasing to southwest 15 to 20.

Stay connected

ATOM

Weather Conditions

Skip Image

Zoom-in to make a selection

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

Ice Forecasts

Issued 10:00 AM EDT 19 May 2026 Forecasts have ended for the season.
Warnings

Warnings (In effect)

Strong wind warning in effect

Lurcher

Issued 03:00 AM ADT 18 June 2026

'Strong' winds of 20 to 33 knots are occurring or expected to occur in this marine area. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM ADT 18 June 2026 Today Tonight and Friday At 3:00 a.m. ADT today low 1010 mb located over West Scotian Slope.
By 3:30 p.m. ADT today dissipating low 1010 mb located over West
Scotian Slope.

At 8:00 p.m. ADT tonight low 991 mb located near the Great Lakes.
By 8:00 p.m. ADT Friday low 994 mb located over New Brunswick.

St. Lawrence - St. Lawrence River Area

Another Region

Features

Colour-coded weather alerts

Learn more about weather alerting in Canada

Thunderstorm Outlooks

Find the Thunderstorm Outlook for your area.

Date modified: