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Southeastern Grand Banks

Warnings

Forecast

Marine Forecast

Issued 03:00 AM NST 05 March 2026

Today Tonight and Friday.

Wind west 20 knots veering to northwest 25 this afternoon then diminishing to northwest 15 to 20 this evening. Wind northwest 15 to 20 Friday.

Flurries tonight and Friday.

Temperatures plus 3 falling to minus 5 to minus 1 overnight.

Waves

Issued 06:00 PM NST 04 March 2026
Tonight and Thursday. Seas 4 to 6 metres subsiding to 3 to 4 late overnight.

Extended Forecast

Issued 03:00 AM NST 05 March 2026
Saturday Wind light increasing to south 25 knots in the afternoon.
Sunday Wind southwest 25 to 35 knots.
Monday Wind west 10 to 15 knots.

Ice Forecast

Issued 10:00 AM EST 4 March 2026 Today Tonight and Thursday Bergy water.  

[ 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

Southeastern Grand Banks

Issued 10:00 AM EST 4 March 2026 Today Tonight and Thursday

Ice Edge

First ice edge estimated from 4640N 5530W to 4628N 5339W to
Newfoundland near 4638N 5314W. Sea ice north of the ice edge.

Second ice edge estimated from Newfoundland near 4746N 5243W to
4845N 5230W to 5000N 5330W to 5300N 5100W to 5500N 5130W to 5700N
5600W to 6000N 5815W to 6159N 5721W then northeastward. Sea ice west
of the ice edge.

Ice Coverage

Bergy water.

Ice Forecasts

Tail of the Grand Banks

Issued 10:00 AM EST 4 March 2026 Today Tonight and Thursday

Ice Edge

First ice edge estimated from 4640N 5530W to 4628N 5339W to
Newfoundland near 4638N 5314W. Sea ice north of the ice edge.

Second ice edge estimated from Newfoundland near 4746N 5243W to
4845N 5230W to 5000N 5330W to 5300N 5100W to 5500N 5130W to 5700N
5600W to 6000N 5815W to 6159N 5721W then northeastward. Sea ice west
of the ice edge.

Ice Coverage

Forecasts available to mariners upon request.

 

Iceberg Bulletin

Southeastern Grand Banks

Issued 1:49 PM EST 4 March 2026

Iceberg Limit

Iceberg limit at 0000 UTC 5 Mar estimated from Newfoundland near
4640N 5310W to 4540N 4930W to 4615N 4545W to 4830N 4255W to 5930N
5700W to 6150N 5400W to 5850N 5035W to 5810N 4530W then eastward.

Iceberg Count

No confirmed icebergs except less than 10 icebergs north of the
iceberg limit.

Iceberg Bulletin

Tail of the Grand Banks

Issued 1:49 PM EST 4 March 2026

Iceberg Limit

Iceberg limit at 0000 UTC 5 Mar estimated from Newfoundland near
4640N 5310W to 4540N 4930W to 4615N 4545W to 4830N 4255W to 5930N
5700W to 6150N 5400W to 5850N 5035W to 5810N 4530W then eastward.

Iceberg Count

Forecasts available to mariners upon request.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM NST 5 March 2026 Today Tonight and Friday At 3:00 a.m. NST today deepening low 990 mb located east of Belle
Isle Bank.
By 8:00 p.m. NST tonight departing low 956 mb located southeast
of Greenland.

At 3:00 a.m. NST today building ridge located on a line east-west
over James Bay.
By 3:00 a.m. NST Friday ridge located from Quebec to the Maritimes.

Marine Weather Statement

Issued 2:53 AM NST 5 March 2026 An intensifying low pressure system east of Belle Isle Bank will
depart to the southeast of Greenland this evening. Gale to storm
force northwesterlies over northern waters, and strong to gale force
west to southwesterlies over southern waters, will gradually
Diminish as the low moves away and a ridge of high pressure builds
towards the district from the west.

Marine interests are advised that a storm warning is in effect for
Belle Isle Bank. Gale warnings are in effect for South Coast, East
Coast - north of Cape St. Francis, Northeast Coast, Funk Island Bank,
and Northern Grand Banks.

Marine interests are also advised that freezing spray warnings are in
effect for all waters except the Southern Grand Banks.

Atlantic - Maritimes Area

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Marine Weather for Canada

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