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Pointe-des-Monts to Anticosti - northern half

Warnings

Forecast

Marine Forecast

Issued 03:00 PM EDT 20 April 2026

Tonight and Tuesday.

Wind west 20 to 30 knots becoming west 20 early this evening then veering to northwest 15 near midnight. Wind diminishing to light early Tuesday morning.

Temperatures near minus 4.

Waves

Issued 03:00 PM EDT 20 April 2026
Tonight and Tuesday. Seas 2 metres subsiding to 1 late overnight.

Extended Forecast

Issued 06:00 AM EDT 20 April 2026
Wednesday Wind east 10 to 15 knots.
Thursday Wind east 10 to 15 knots increasing to northwest 15 to 25 late in the day.
Friday Wind northwest 15 to 25 knots becoming northeast 15.

Ice Forecast

Issued 10:00 AM EDT 20 April 2026 Today Tonight and Tuesday Open water. Consolidated rotten first-year ice near Sept-Îles. 

[ Canadian Ice Service ]

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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
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Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 20 April 2026 Today Tonight and Tuesday

Ice Edge

First ice edge estimated from Cape Breton Island near 4702N 6025W to
4745N 6115W to Gaspe Peninsula near 4846N 6410W. Sea ice southwest
of the ice edge.

Second ice edge estimated from Quebec near 4920N 6722W to 5005N
6600W to 4945N 6015W to Newfoundland near 4806N 5905W. Sea ice north
of the ice edge.

Ice Coverage

Open water. Consolidated rotten first-year ice near Sept-Îles.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 PM EDT 20 April 2026 Tonight and Tuesday At 3:00 p.m. EDT today departing trough located on a line
north-south over the Strait of Belle Isle.

At 3:00 p.m. EDT today ridge located from Lake Ontario to the
Ungava Peninsula.
By 8:00 p.m. EDT Tuesday ridge located on a line north-south over
Anticosti Island.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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