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Southeastern Grand Banks

Warnings

Forecast

Marine Forecast

Issued 08:00 PM NDT 11 March 2026

Tonight and Thursday.

Wind northeast 15 knots veering to east 20 late overnight then increasing to southwest 25 near noon Thursday.

Showers and occasional fog banks.

Waves

Issued 06:00 PM NDT 11 March 2026
Tonight and Thursday. Seas 1 to 2 metres building to 2 to 3 Thursday evening.

Extended Forecast

Issued 03:30 PM NDT 11 March 2026
Friday Wind southwest 25 to 35 knots.
Saturday Wind west 25 knots diminishing to variable 10 to 15.
Sunday Wind west 35 to 45 knots.

Ice Forecast

Issued 10:00 AM EDT 11 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 EDT 11 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 5001N 5302W to 5141N 4911W 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 EDT 11 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 5001N 5302W to 5141N 4911W 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 2:59 PM EDT 11 March 2026

Iceberg Limit

Iceberg limit at 0000 UTC 12 Mar estimated from Newfoundland near
4640N 5310W to 4520N 4930W to 4555N 4410W to 4815N 4300W to 5930N
5700W to 6120N 5400W to 5825N 4900W 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 2:59 PM EDT 11 March 2026

Iceberg Limit

Iceberg limit at 0000 UTC 12 Mar estimated from Newfoundland near
4640N 5310W to 4520N 4930W to 4555N 4410W to 4815N 4300W to 5930N
5700W to 6120N 5400W to 5825N 4900W then eastward.

Iceberg Count

Forecasts available to mariners upon request.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 8:00 PM NDT 11 March 2026 Tonight and Thursday At 8:00 p.m. NDT tonight low 978 mb located over eastern Labrador
Sea.
By 3:30 p.m. NDT Thursday departing low 994 mb located southeast
of Greenland.

At 3:00 a.m. NDT Thursday low 994 mb located over southern Quebec.
By 8:00 p.m. NDT Thursday low 991 mb located over Northeast Gulf.

At 8:00 p.m. NDT tonight ridge located from the Grand Banks to
Hudson Bay.
By 3:30 p.m. NDT Thursday departing ridge located over Belle
Isle Bank.

Marine Weather Statement

Issued 7:47 PM NDT 11 March 2026 An intense low pressure system over the East Labrador Sea will track
southeastward to lie southeast of the Labrador marine district by
overnight tonight. Strong to gale force northwesterlies will persist
over Belle Isle Bank tonight as a result of this low.

A second low pressure system will approach from the west tonight and
cross the Gulf of St. Lawrence on Thursday. Strong to gale force
northeasterlies to southeasterlies ahead of the low will shift to
southwesterlies in its wake.

Marine interests are advised that gale warnings are in effect for
Gulf waters, Southwest Coast, South Coast, East Coast, Belle Isle
Bank and Northern Grand Banks.

Marine interests are also advised that freezing spray warnings are in
effect for Gulf waters, Northeast Coast, Belle Isle Bank and Funk
Island Bank.

Atlantic - Maritimes Area

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Marine Weather for Canada

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