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Southwestern Grand Banks

Warnings

Forecast

Marine Forecast

Issued 08:00 PM NST 06 March 2026

Tonight and Saturday.

Wind light increasing to southeast 10 to 15 knots Saturday morning then veering to south 15 to 20 Saturday afternoon. Wind increasing to south 25 Saturday evening.

Temperatures minus 3 to zero rising to plus 4 Saturday evening.

Waves

Issued 06:00 PM NST 06 March 2026
Tonight and Saturday. Seas 1 to 2 metres.

Extended Forecast

Issued 03:30 PM NST 06 March 2026
Sunday Wind southwest 25 to 35 knots.
Monday Wind southwest 25 knots diminishing to west 10 to 15.
Tuesday Wind southwest 25 knots.

Ice Forecast

Issued 10:00 AM EST 6 March 2026 Today Tonight and Saturday Ice free.  

[ 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

Southwestern Grand Banks

Issued 10:00 AM EST 6 March 2026 Today Tonight and Saturday

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 5224N 5010W to 5500N 5130W to 5700N
5600W to 6000N 5815W to 6159N 5721W then northeastward. Sea ice west
of the ice edge.

Ice Coverage

Ice free.

Ice Forecasts

Tail of the Grand Banks

Issued 10:00 AM EST 6 March 2026 Today Tonight and Saturday

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 5224N 5010W 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

Southwestern Grand Banks

Issued 1:46 PM EST 6 March 2026

Iceberg Limit

Iceberg limit at 0000 UTC 7 Mar estimated from Newfoundland near
4640N 5310W to 4455N 4955W to 4545N 4525W to 4820N 4140W to 5930N
5700W to 6150N 5400W to 5850N 5035W to 5810N 4530W then eastward.

Iceberg Count

No confirmed icebergs.

Iceberg Bulletin

Tail of the Grand Banks

Issued 1:46 PM EST 6 March 2026

Iceberg Limit

Iceberg limit at 0000 UTC 7 Mar estimated from Newfoundland near
4640N 5310W to 4455N 4955W to 4545N 4525W to 4820N 4140W 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 8:00 PM NST 6 March 2026 Tonight and Saturday At 8:00 p.m. NST tonight trough located east of the Marine District.
By 3:00 a.m. NST Saturday departing trough located east of the
Marine District.

At 3:30 p.m. NST Saturday approaching trough located on a line
northeast-southwest over Quebec.

At 8:00 p.m. NST tonight ridge located on a line northwest-southeast
over the Gulf of St. Lawrence.
By 8:00 p.m. NST Saturday ridge located southeast of the Grand
Banks.

Marine Weather Statement

Issued 7:48 PM NST 6 March 2026 A trough of low pressure east of the marine district will slowly move
eastward tonight while a ridge of high pressure approaches the
district from the southwest. Strong to gale force northwesterlies
over northeastern waters between these two features will gradually
diminish as the trough moves away and the ridge of high pressure
approaches.

A second trough of low pressure will approach the marine district
from the west on Saturday. Strong to gale force southwesterlies will
develop ahead of the trough.

Marine interests are advised that gale warnings are in effect for
Strait of Belle Isle, Gulf waters, East Coast - north of Cape St.
Francis, Northeast Coast, Belle Isle Bank, and Funk Island Bank.

Marine interests are also advised that freezing spray warnings are in
effect for East Coast - north of Cape St. Francis, Northeast Coast,
Belle Isle Bank, and Funk Island Bank.

Atlantic - Maritimes Area

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Marine Weather for Canada

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