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Pointe-des-Monts to Anticosti - northern half

Warnings

Forecast

Marine Forecast

Issued 03:00 PM EDT 21 April 2025

Tonight and Tuesday.

Wind west 15 to 20 knots diminishing to light early this evening then increasing to northeast 10 to 15 near midnight. Wind increasing to east 15 to 25 early Tuesday morning.

Showers Tuesday.

Temperatures near plus 1.

Waves

Issued 03:00 PM EDT 21 April 2025
Tonight and Tuesday. Seas 1 metre or less.

Extended Forecast

Issued 06:00 AM EDT 21 April 2025
Wednesday Wind east 15 knots diminishing to light in the afternoon.
Thursday Wind light increasing to west 15 to 25 knots.
Friday Wind west 10 to 20 knots becoming light late in the day.

Ice Forecast

Issued 10:00 AM EDT 21 April 2025 Today Tonight and Tuesday Ice free. 

[ Canadian Ice Service ]

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Map of St. Lawrence - St. Lawrence River marine weather areas Cap-Chat Mont-Joli Airport Bathurst Airport Île Bicquette Charlo Port Menier Miramichi Pointe-au-Père Fundy Park (Alma) New Carlisle Grand Manan Bas Caraquet CFB Bagotville Jonquière Mistook Normandin Roberval Airport Deschambault Beauport North Bay Airport Trois-Rivières Airport Lake Nipissing - 45152 Kouchibouguac Baie-Comeau Airport Île d'Orléans Saint-Anicet Sainte-Anne-de-Bellevue Cap-Rouge Lac Memphrémagog Saint-Hubert Airport Montréal-Trudeau Int'l Airport Île Rouge Lac Saint-Pierre L'Isle-aux-Grues L'Assomption Pointe de l'Islet Pointe Claveau Sept-Îles Airport Pointe-des-Monts North Cape Pointe-Noire Yarmouth Airport Cap-d'Espoir Brier Island Rivière-la-Madeleine St. Stephen Gaspé Airport Saint John Airport Point Lepreau Greater Moncton Roméo LeBlanc Int'l Airport Miscou Island Kouchibouguac La Pocatière
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land station Land Station
Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 21 April 2025 Today Tonight and Tuesday

Ice Edge

First ice edge estimated from New Brunswick near 4700N 6449W to
4836N 6358W to Quebec near 4851N 6412W. Sea ice west of the ice
edge.

Second ice edge estimated from Quebec near 5013N 6023W to 4956N
5932W to Newfoundland near 5022N 5732W. Sea ice north of the ice
edge.

Ice Coverage

Ice free.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 PM EDT 21 April 2025 Tonight and Tuesday At 3:00 p.m. EDT today ridge located from Ungava Bay to the Gulf
of Maine.
By 2:00 p.m. EDT Tuesday departing ridge located from Labrador to
New England.

At 3:00 p.m. EDT today low 1001 mb located over the Great Lakes.
By 8:00 p.m. EDT Tuesday weakening low 1010 mb located near
Saguenay River.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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