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Southwestern Grand Banks

Warnings

Forecast

Marine Forecast

Issued 03:30 PM NDT 14 May 2025

Tonight and Thursday.

Wind northwest 25 knots backing to west 15 to 20 this evening then to southwest 25 late overnight. Wind veering to west 30 Thursday morning then diminishing to west 20 Thursday evening.

Showers overnight and Thursday morning.

Waves

Issued 06:00 PM NDT 14 May 2025
Tonight and Thursday. Seas 2 to 3 metres subsiding to 1 to 2 near midnight then building to 2 to 3 Thursday morning.

Extended Forecast

Issued 03:30 PM NDT 14 May 2025
Friday Wind west 15 to 20 knots increasing to west 25 in the afternoon.
Saturday Wind variable 10 to 15 knots.
Sunday Wind southeast 15 to 20 knots.

Ice Forecast

Issued 10:00 AM EDT 14 May 2025 Today Tonight and Thursday 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 14 May 2025 Today Tonight and Thursday

Ice Edge

First ice edge estimated from Labrador near 5158N 5554W to Newfoundland near 5138N 5554W. Sea ice east of the ice edge.

Second ice edge estimated from Newfoundland near 5008N 5636W to 5022N 5428W to 5430N 5421W to 5733N 5817W to 6123N 5829W to 6200N 5622W 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 14 May 2025 Today Tonight and Thursday

Ice Edge

First ice edge estimated from Labrador near 5158N 5554W to Newfoundland near 5138N 5554W. Sea ice east of the ice edge.

Second ice edge estimated from Newfoundland near 5008N 5636W to 5022N 5428W to 5430N 5421W to 5733N 5817W to 6123N 5829W to 6200N 5622W 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 14 May 2025

Iceberg Limit

Iceberg limit at 0000 UTC 15 May estimated from Newfoundland near 4723N 5503W to 4128N 5121W to 4120N 4720W to 4835N 4125W to 5320N 4815W to 5915N 5605W to 5825N 5020W then eastward.

Iceberg Count

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

Iceberg Bulletin

Tail of the Grand Banks

Issued 2:30 PM EDT 14 May 2025

Iceberg Limit

Iceberg limit at 0000 UTC 15 May estimated from Newfoundland near 4723N 5503W to 4128N 5121W to 4120N 4720W to 4835N 4125W to 5320N 4815W to 5915N 5605W to 5825N 5020W then eastward.

Iceberg Count

Forecasts available to mariners upon request.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:30 PM NDT 14 May 2025 Tonight and Thursday At 3:30 p.m. NDT today trough located over Quebec.
By 3:30 p.m. NDT Thursday trough located on a line north-south
over the Grand Banks.

At 3:30 p.m. NDT today ridge located over Sable Island.
By 8:00 p.m. NDT tonight departing ridge located south of Nova
Scotia.

At 3:30 p.m. NDT today dissipating low 994 mb located northeast
of the Marine District.

Marine Weather Statement

Issued 3:14 PM NDT 14 May 2025 A trough of low pressure is expected to approach the district from
the west tonight and cross northern waters on Thursday morning.
Strong to gale force northwesterlies are expected behind the trough
on Thursday.

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

Atlantic - Newfoundland Area

Another Region

Marine Weather for Canada

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