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Cabot Strait - northern half

Warnings

Forecast

Marine Forecast

Issued 03:00 AM ADT 20 March 2025

Today Tonight and Friday.

Wind southeast 15 to 20 knots increasing to southeast 20 to 25 this morning then diminishing to southeast 15 to 20 Friday evening.

Showers and fog patches tonight and Friday.

Temperatures near plus 1.

Waves

Issued 05:00 AM ADT 20 March 2025
Today Tonight and Friday. Seas 1 to 2 metres building to 2 to 3 Friday morning then subsiding to 1 to 2 Friday evening.

Extended Forecast

Issued 03:00 AM ADT 20 March 2025
Saturday Wind southerly 15 to 20 knots increasing to west 30 in the afternoon.
Sunday Wind westerly 20 knots increasing to northwest 25 to 30.
Monday Wind northwest 25 knots diminishing to southerly 20.

Ice Forecast

Issued 10:00 AM EDT 19 March 2025 Today Tonight and Thursday Open water except 3 tenths first-year ice in the extreme southwestern section. 

[ Canadian Ice Service ]

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

Ice Forecasts

Issued 10:00 AM EDT 19 March 2025 Today Tonight and Thursday

Ice Edge

First ice edge estimated from New Brunswick near 4523N 6527W to
4515N 6515W to 4430N 6615W to Nova Scotia near 4407N 6612W. Sea ice
east of the ice edge.

Second ice edge estimated from Nova Scotia near 4430N 6332W to 4515N
5830W to 4715N 5700W to Newfoundland near 4707N 5538W. Sea ice north
of the ice edge.

Ice Coverage

Open water except 3 tenths first-year ice in the extreme
southwestern section.

 

Iceberg Bulletin

Issued 2:30 PM EDT 19 March 2025

Iceberg Limit

Iceberg limit at 0000 UTC 20 Mar estimated from Newfoundland near
4643N 5307W to 4640N 4600W to 5100N 4600W to 5400N 4700W to 5900N
5620W to 6110N 5505W to 5815N 4555W then eastwards.

Western iceberg limit at 0000 UTC 20 Mar estimated from Quebec near
5045N 5925W to Newfoundland near 4920N 5745W.

Iceberg Count

No confirmed icebergs.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM ADT 20 March 2025 Today Tonight and Friday At 3:00 a.m. ADT today trough located south of the Marine District.
By 8:00 p.m. ADT tonight weakening trough from low located over
East Scotian Slope.

At 3:00 a.m. ADT Friday low 995 mb located south of Long Island.
By 8:00 p.m. ADT Friday low 990 mb located near Browns Bank.

At 3:30 p.m. ADT today trough located on a line northeast-southwest
over Quebec.
By 3:30 p.m. ADT Friday departing trough located over Labrador.

Atlantic - Maritimes Area

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Marine Weather for Canada

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