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Southwestern Grand Banks

Warnings

Forecast

Marine Forecast

Issued 03:00 AM NST 06 March 2026

Today Tonight and Saturday.

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

Flurries ending this afternoon.

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

Waves

Issued 06:00 AM NST 06 March 2026
Today Tonight and Saturday. Seas 2 to 3 metres subsiding to 1 to 2 this afternoon.

Extended Forecast

Issued 03:00 AM 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 5 March 2026 Today Tonight and Friday Ice free.  

[ Canadian Ice Service ]

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Map of Atlantic - Newfoundland marine weather areas Englee Wreckhouse Winterland Branch Hill Stephenville Airport Eskasoni (First Nations) Grand Étang St. Lawrence St. John's Int'l Airport St. Anthony Airport Ingonish Beach Sagona Island Port aux Basques La Scie North Mountain Ferolle Point Twillingate Daniel's Harbour St.Paul Island Corner Brook Cape Race J.A. Douglas McCurdy Sydney Airport Burgeo West Chedabucto Bay – 44489 Bonavista Berry Hill Charlottetown Airport Argentia East Point North Cape Long Pond Banquereau - 44139 Îles de la Madeleine Airport Miscou Island Cartwright Airport Cap Whittle Blanc-Sablon Airport Natashquan Airport East Chedabucto Bay – 44488 Marticot Island Pool's Island Mary's Harbour Grates Cove Chevery
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Ice Conditions

Ice Forecasts

Southwestern Grand Banks

Issued 10:00 AM EST 5 March 2026 Today Tonight and Friday

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 5230N 5030W 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 5 March 2026 Today Tonight and Friday

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 5230N 5030W 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 1:50 PM EST 5 March 2026

Iceberg Limit

Iceberg limit at 0000 UTC 6 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 1:50 PM EST 5 March 2026

Iceberg Limit

Iceberg limit at 0000 UTC 6 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 3:00 AM NST 6 March 2026 Today Tonight and Saturday At 3:00 a.m. NST today trough located east of the Marine District.
By 3:00 a.m. NST Saturday departing trough located east of the
Marine District.

At 3:00 a.m. NST today ridge located from Quebec to the Maritimes.
By 3:00 a.m. NST Saturday ridge located on a line
northwest-southeast over Newfoundland.

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

Marine Weather Statement

Issued 2:51 AM NST 6 March 2026 A trough of low pressure east the marine district will slowly move
eastward today while a ridge of high pressure approaches the district
from the west. 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 all regions with open waters except the Southern Grand
Banks.

Atlantic - Newfoundland Area

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Marine Weather for Canada

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