Language selection

Weather shortcuts

Pointe-des-Monts to Anticosti - southern half

Forecast

Marine Forecast

Issued 03:00 PM EDT 13 April 2026

Tonight and Tuesday.

Wind southeast 15 to 25 knots diminishing to light early this evening then increasing to northwesterly 20 to 30 early Tuesday morning. Wind diminishing to light Tuesday afternoon then increasing to easterly 20 Tuesday evening.

Periods of rain ending near midnight. Fog forming early this evening and dissipating Tuesday morning.

Temperatures near plus 2.

Waves

Issued 03:00 PM EDT 13 April 2026
Tonight and Tuesday. Seas 1 metre building to 1 to 2 Tuesday morning then subsiding to 1 or less Tuesday evening.

Extended Forecast

Issued 06:00 PM EDT 13 April 2026
Wednesday Wind east 20 to 30 knots.
Thursday Wind light.
Friday Wind east 15 knots becoming west 15 late in the day.

Ice Forecast

Issued 10:00 AM EDT 13 April 2026 Today Tonight and Tuesday Open water. 

[ 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 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 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 13 April 2026 Today Tonight and Tuesday

Ice Edge

Ice edge estimated from Cape Breton Island near 4607N 5949W to 4631N
5919W to 4844N 6156W to 4919N 6025W to Newfoundland near 4753N
5924W. Sea ice west then northeast of the ice edge.

Ice Coverage

Open water.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 PM EDT 13 April 2026 Tonight and Tuesday At 3:00 p.m. EDT today trough located on a line northeast-southwest
over Lake Huron.
By 8:00 a.m. EDT Tuesday departing trough located off Newfoundland.

At 3:00 a.m. EDT Tuesday ridge located on a line north-south over
James Bay.
By 8:00 p.m. EDT Tuesday ridge located on a line northwest-southeast
over Pointe-des-Monts.

St. Lawrence - St. Lawrence River Area

Another Region

Features

Colour-coded weather alerts

Learn more about weather alerting in Canada

Date modified: