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Pointe-des-Monts to Anticosti - northern half

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 21 April 2026

Today Tonight and Wednesday.

Wind northwest 15 knots diminishing to light early this morning then becoming east 10 to 15 near midnight. Wind east 10 to 15 Wednesday.

Temperatures near minus 3.

Waves

Issued 03:00 AM EDT 21 April 2026
Today Tonight and Wednesday. Seas 1 metre.

Extended Forecast

Issued 06:00 AM EDT 21 April 2026
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.
Saturday Wind north 15 knots backing to west 10 to 15.

Ice Forecast

Issued 10:00 AM EDT 21 April 2026 Today Tonight and Wednesday Open water. Consolidated rotten first-year ice near Sept-Îles. 

[ Canadian Ice Service ]

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Map of Atlantic - Maritimes marine weather areas East Scotia Slope - 44137 Cap-Chat Burgeo Île Bicquette New Carlisle Îles de la Madeleine Airport Port Menier Summerside North Cape Pointe-au-Père Mont-Joli Airport La Pocatière Wreckhouse Banquereau - 44139 Port aux Basques Sagona Island Gaspé Airport LaHave Bank - 44150 Halifax Harbour - 44258 St. Lawrence Stephenville Airport Western Head Winterland Branch Hill Île aux Perroquets Beaver Island Baccaro Point St. Stephen Pointe-des-Monts Saint John Airport Sept-Îles Airport Point Lepreau Greater Moncton Roméo LeBlanc Int'l Airport Longue-Pointe-de-Mingan Miscou Island Île Rouge Kouchibouguac Pointe-Noire Kouchibouguac Havre-Saint-Pierre Airport Grand Manan Fundy Park (Alma) Miramichi Charlo West Chedabucto Bay – 44489 Bathurst Airport Baie-Comeau Airport Bas Caraquet East Chedabucto Bay – 44488 Nappan AAFC East Point Charlottetown Airport Yarmouth Airport Cap-d'Espoir Tracadie J.A. Douglas McCurdy Sydney Airport Shearwater Airport St.Paul Island Sable Island Parrsboro North Mountain Rivière-la-Madeleine McNabs Island Lunenburg Kentville AAFC Ingonish Beach Hart Island CFB Greenwood Grand Étang Eskasoni (First Nations) Debert Caribou Point Brier Island
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Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 21 April 2026 Today Tonight and Wednesday

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
6558W to 4841N 6158W to 4957N 6006W to 4935N 5822W to 4836N 5937W 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 AM EDT 21 April 2026 Today Tonight and Wednesday At 3:00 a.m. EDT today ridge located on a line north-south over
Rimouski.
By 8:00 p.m. EDT Wednesday ridge located on a line north-south
over Anticosti Island.

At 8:00 p.m. EDT tonight trough located on a line
northeast-southwest over James Bay.
By 8:00 p.m. EDT Wednesday trough located on a line north-south
over Lake Saint-Jean.

Atlantic - Maritimes Area

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Marine Weather for Canada

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