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Southwestern Grand Banks

Warnings

Forecast

Marine Forecast

Issued 03:00 AM NDT 22 June 2025

Today Tonight and Monday.

Wind light today tonight and Monday.

Waves

Issued 06:00 PM NDT 21 June 2025
Tonight and Sunday. Seas 2 to 3 metres subsiding to 1 to 2 near noon Sunday.

Extended Forecast

Issued 03:00 AM NDT 22 June 2025
Tuesday Wind south 10 to 15 knots veering to southwest 15 to 20 in the afternoon.
Wednesday Wind southwest 25 knots.
Thursday Wind northwest 15 to 20 knots diminishing to variable 10 to 15.

Ice Forecast

Issued 10:00 AM EDT 21 June 2025 Today Tonight and Sunday Bergy water.  

[ Canadian Ice Service ]

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

Ice Forecasts

Southwestern Grand Banks

Issued 10:00 AM EDT 21 June 2025 Today Tonight and Sunday

Ice Edge

Ice edge estimated from 5335N 5602W to 5507N 5416W to 5641N 5710W to 6200N 5930W 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 21 June 2025 Today Tonight and Sunday

Ice Edge

Ice edge estimated from 5335N 5602W to 5507N 5416W to 5641N 5710W to 6200N 5930W then northeastward. Sea ice west of the ice edge.

Ice Coverage

Forecasts available to mariners upon request.

 

Iceberg Bulletin

Southwestern Grand Banks

Issued 2:30 PM EDT 21 June 2025

Iceberg Limit

Iceberg limit at 0000 UTC 22 Jun estimated from Newfoundland near 4655N 5555W to 4500N 5525W to 4345N 4700W to 4705N 4140W to 4925N 4230W to 5600N 5120W to 5745N 5405W 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 2:30 PM EDT 21 June 2025

Iceberg Limit

Iceberg limit at 0000 UTC 22 Jun estimated from Newfoundland near 4655N 5555W to 4500N 5525W to 4345N 4700W to 4705N 4140W to 4925N 4230W to 5600N 5120W to 5745N 5405W 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 NDT 22 June 2025 Today Tonight and Monday At 3:00 a.m. NDT today low 996 mb located over northeastern Belle
Isle Bank.
By 8:00 p.m. NDT tonight departing low 1002 mb located northeast
of Belle Isle Bank.

At 3:00 a.m. NDT today ridge located from Labrador to the Maritimes.
By 3:00 a.m. NDT Monday ridge located over the southeastern
Grand Banks.

At 3:00 a.m. NDT today trough located over Ungava Bay.
By 3:00 a.m. NDT Monday trough located over southern Labrador Sea.

Marine Weather Statement

Issued 2:49 AM NDT 22 June 2025 A low pressure system over Northeastern Belle Isle Bank will slowly
drift eastward and depart this evening. Strong to gale force
northwesterlies to southwesterlies can be expected over eastern
waters in its wake.

Marine interests are advised that a gale warning is in effect for
Belle Isle Bank.

Atlantic - Newfoundland Area

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Marine Weather for Canada

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