Language selection

Features

My Weather Profile Weather Topics  | 

Lurcher

Forecast

Marine Forecast

Issued 08:00 PM AST 12 December 2019

Tonight and Friday.

Wind northwest 20 knots diminishing to light near midnight then increasing to south 15 Friday morning. Wind backing to southeast 20 near noon Friday.

Low tonight zero. High Friday plus 7.

Waves

Issued 05:00 PM AST 12 December 2019
Tonight and Friday. Seas 2 metres subsiding to 1 early Friday morning.

Extended Forecast

Issued 03:30 PM AST 12 December 2019
Saturday Wind southeast 25 knots increasing to south 35 to 45 in the afternoon.
Sunday Wind southwest 35 knots veering to west 45.
Monday Wind west 40 knots.

Ice Forecast

Issued 10:00 AM EST 12 December 2019 Today Tonight and Friday Ice free. 

[ Canadian Ice Service ]

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 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 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

Ice Forecasts

Issued 10:00 AM EST 12 December 2019 Today Tonight and Friday

Ice Edge

First ice edge estimated from Nova Scotia near 4540N 6130W to Prince
Edward Island near 4625N 6205W. Sea ice west of the ice edge

Second ice edge estimated from Prince Edward Island near 4630N 6215W
to 4730N 6415W to 4850N 6335W to 4850N 6110W to 5050N 5805W to
Newfoundland near 5035N 5720W. Sea ice west and north of the ice
edge.

Ice Coverage

Ice free.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 8:00 PM AST 12 December 2019 Tonight and Friday At 8:00 p.m. AST tonight departing trough located on a line
east-west over the northern Gulf of St. Lawrence.

At 8:00 p.m. AST tonight ridge located on a line north-south over
New England.
By 3:30 p.m. AST Friday ridge located on a line north-south over
Nova Scotia.

At 8:00 p.m. AST Friday approaching low 1015 mb located near
Cape Hatteras.

Marine Weather Statement

Issued 7:50 PM AST 12 December 2019 An east-west trough over the Northern Gulf of St. Lawrence will move
away overnight ahead of a ridge approaching from New England. Between
these features strong to gale force northwesterlies persist across
the district and could possibly approach storm force over
northernmost waters and easternmost waters. Winds are expected to
diminish over most waters by tonight as the ridge of approaches from
the west.

On Friday moderate to strong southerlies will develop over western
waters late in the day as a low pressure system approaches from the
southwest.

Marine interests are advised that gale warnings are in effect for
Banquereau, Laurentian Fan, Cabot Strait, Gulf - Magdalen, Chaleur -
Miscou and Anticosti.

Marine interests are also advised that freezing spray warnings are in
effect for Cabot Strait, Northumberland Strait, Gulf-Magdalen,
Chaleur-Miscou and Anticosti.

St. Lawrence - St. Lawrence River Area

Another Region

What we are doing

Date modified: