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Pointe-des-Monts to Anticosti - southern half

Warnings

Forecast

Marine Forecast

Issued 03:00 PM EDT 16 April 2026

Tonight and Friday.

Wind east 10 to 15 knots becoming light near midnight then increasing to west 10 to 15 early Friday morning. Wind increasing to west 20 to 30 near noon Friday then veering to northerly 15 to 25 Friday evening.

Showers ending Friday morning. Fog banks dissipating Friday morning.

Temperatures near plus 1.

Waves

Issued 03:00 PM EDT 16 April 2026
Tonight and Friday. Seas 1 metre or less building to 2 early Friday afternoon.

Extended Forecast

Issued 06:00 PM EDT 16 April 2026
Saturday Wind northeast 15 knots increasing to easterly 20 to 30 in the morning.
Sunday Wind southeasterly 20 to 30 knots veering to southwesterly 15 to 25.
Monday Wind west 20 to 30 knots.

Ice Forecast

Issued 10:00 AM EDT 16 April 2026 Today Tonight and Friday Open water. 

[ Canadian Ice Service ]

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Weather Conditions

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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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buoy Buoy
land station Land Station
Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 16 April 2026 Today Tonight and Friday

Ice Edge

First ice edge estimated from Cape Breton Island near 4621N 6025W to
4655N 6008W to 4742N 6124W to Gaspe Peninsula near 4846N 6410W. Sea
ice southwest of the ice edge.

Second ice edge estimated from Quebec near 4845N 6751W to 5005N
6507W to 4957N 6018W to Newfoundland near 4806N 5905W. Sea ice north
of the ice edge.

Ice Coverage

Open water.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 PM EDT 16 April 2026 Tonight and Friday At 3:00 p.m. EDT today departing ridge located on a line east-west
over Newfoundland.

At 3:00 p.m. EDT today low 1004 mb located over eastern Ontario.
By 8:00 a.m. EDT Friday low 1006 mb located over the Gulf of
St. Lawrence.

At 8:00 p.m. EDT tonight ridge located on a line northeast-southwest
over Manitoba.
By 8:00 p.m. EDT Friday ridge located from Hudson Bay to Lake
Ontario.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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