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Southwestern Grand Banks

Warnings

Forecast

Marine Forecast

Issued 03:30 PM NDT 21 April 2025

Tonight and Tuesday.

Gale warning in effect.

Wind northwest 45 knots diminishing to northwest 35 after midnight and to northwest 25 Tuesday morning. Wind diminishing to northwest 15 to 20 Tuesday evening.

Waves

Issued 06:00 PM NDT 21 April 2025
Tonight and Tuesday. Seas 5 to 7 metres subsiding to 3 to 5 late overnight and to 2 to 3 Tuesday evening.

Extended Forecast

Issued 03:30 PM NDT 21 April 2025
Wednesday Wind variable 10 to 15 knots increasing to southeast 25 in the afternoon.
Thursday Wind southwest 20 knots increasing to north 25.
Friday Wind northwest 15 knots.

Ice Forecast

Issued 10:00 AM EDT 21 April 2025 Today Tonight and Tuesday 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 April 2025 Today Tonight and Tuesday

Ice Edge

Ice edge estimated from Newfoundland near 4915N 5328W to 5100N 4815W
to 5526N 5139W to 5701N 5617W to 6200N 6111W then northeastward. Sea
ice north then west of the ice edge.

Ice Coverage

Bergy water.

Ice Forecasts

Tail of the Grand Banks

Issued 10:00 AM EDT 21 April 2025 Today Tonight and Tuesday

Ice Edge

Ice edge estimated from Newfoundland near 4915N 5328W to 5100N 4815W
to 5526N 5139W to 5701N 5617W to 6200N 6111W then northeastward. Sea
ice north then west of the ice edge.

Ice Coverage

Forecasts available to mariners upon request.

 

Iceberg Bulletin

Southwestern Grand Banks

Issued 2:30 PM EDT 21 April 2025

Iceberg Limit

Iceberg limit at 0000 UTC 21 Apr estimated from Newfoundland near
4731N 5444W to 4125N 5145W to 4155N 4755W to 4715N 3650W to 5415N
4450W to 5915N 5605W to 6035N 5500W to 5900N 4930W then eastwards.

Western iceberg limit at 0000 UTC 21 Apr estimated from Quebec near
5020N 6115W to Newfoundland near 4805N 5845W.

Iceberg Count

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

Iceberg Bulletin

Tail of the Grand Banks

Issued 2:30 PM EDT 21 April 2025

Iceberg Limit

Iceberg limit at 0000 UTC 21 Apr estimated from Newfoundland near
4731N 5444W to 4125N 5145W to 4155N 4755W to 4715N 3650W to 5415N
4450W to 5915N 5605W to 6035N 5500W to 5900N 4930W then eastwards.

Western iceberg limit at 0000 UTC 21 Apr estimated from Quebec near
5020N 6115W to Newfoundland near 4805N 5845W.

Iceberg Count

Forecasts available to mariners upon request.
Warnings

Warnings (In effect)

Gale warning in effect

Southwestern Grand Banks

Issued 3:30 PM NDT 21 April 2025

'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 3:30 PM NDT 21 April 2025 Tonight and Tuesday At 3:30 p.m. NDT today low 982 mb located over Funk Island Bank.
By 3:30 p.m. NDT Tuesday low 982 mb located east of the Marine
District.

At 10:00 a.m. NDT Tuesday approaching ridge located over the
Maritimes.

Marine Weather Statement

Issued 3:10 PM NDT 21 April 2025 A low pressure system over Funk Island Bank will continue eastward to
lie east of the marine district tonight. Strong to gale force
southwesterlies ahead of the low and gale force northeasterlies to
northwesterlies to the north and west of the low will gradually
diminish on Tuesday as the low departs.

Marine interests are advised that gale warnings are in effect for all
waters.

Atlantic - Newfoundland Area

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Marine Weather for Canada

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