Language selection

My Weather Profile Weather Topics  | 



Marine Forecast

Issued 03:00 AM AST 22 January 2021

Today Tonight and Saturday.

Wind easterly 15 to 20 knots diminishing to variable 10 to 15 early this morning then becoming northerly 15 early this evening. Wind backing to northwest 15 to 20 Saturday morning then increasing to northwest 25 Saturday evening.

Periods of snow changing to showers or flurries near noon then to flurries Saturday morning.

Temperatures minus 2 rising to plus 3 this afternoon then falling to minus 2 Saturday evening.


Issued 05:00 AM AST 22 January 2021
Today Tonight and Saturday. Seas 1 metre building to 1 to 2 Saturday morning.

Extended Forecast

Issued 03:00 AM AST 22 January 2021
Sunday Wind northwest 30 knots.
Monday Wind northwest 25 knots.
Tuesday Wind northwest 15 knots diminishing to light.

Ice Forecast

Issued 10:00 AM EST 21 January 2021 Today Tonight and Friday Ice free. 

[ Canadian Ice Service ]

Stay connected


Weather Conditions

Skip Image

Zoom-in to make a selection

Map of St. Lawrence - St. Lawrence River marine weather areas West Bay of Fundy - 44490 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
buoy Buoy
land station Land Station
Ice Conditions

Ice Forecasts

Issued 10:00 AM EST 21 January 2021 Today Tonight and Friday

Ice Edge

First ice edge estimated from Nova Scotia near 4545N 6240W to Prince
Edward Island near 4600N 6240W. Sea ice west of the ice edge.

Second ice edge estimated from Prince Edward Island near 4625N 6310W
to 4715N 6405W to 4840N 6345W to 4845N 6150W to 5040N 5820W to
Newfoundland near 5035N 5720W. Sea ice west and north of the ice

Ice Coverage

Ice free.


No watches or warnings in effect.


Technical Marine Synopsis

Issued 3:00 AM AST 22 January 2021 Today Tonight and Saturday At 3:00 a.m. AST today low 1000 mb located southwest of Georges
By 8:00 p.m. AST tonight low 988 mb located east of Laurentian Fan.

At 10:00 a.m. AST Saturday low 1003 mb located near Browns Bank.
By 8:00 p.m. AST Saturday low 995 mb located near East Scotian

Marine Weather Statement

Issued 2:48 AM AST 22 January 2021 A developing low pressure system just south of the marine district
will intensify as it passes just southeast of Laurentian Fan later
today, bringing a period of northeasterly gales to southeasternmost

Marine interests are advised that a gale warning is in effect for
Laurentian Fan - eastern half.

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

St. Lawrence - St. Lawrence River Area

Another Region

What we are doing


Need to travel Alberta Highway 93?

Go prepared with Highway 93 forecasts. Highway regions are available in the Alberta text forecast bulletin between Lake Louise and Jasper. (Photo by: Natalie Anderson)

Date modified: