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Southwestern Grand Banks

Warnings

Forecast

Marine Forecast

Issued 08:00 PM NDT 01 May 2025

Tonight and Friday.

Gale warning in effect.

Wind west 35 knots diminishing to northwest 25 Friday morning and to northwest 15 to 20 Friday afternoon.

Showers ending overnight.

Waves

Issued 06:00 PM NDT 01 May 2025
Tonight and Friday. Seas 4 to 6 metres subsiding to 3 to 4 near noon Friday and to 2 to 3 Friday evening.

Extended Forecast

Issued 03:30 PM NDT 01 May 2025
Saturday Wind light increasing to southwest 25 knots late in the day.
Sunday Wind southwest 25 knots.
Monday Wind southwest 25 knots veering to northwest 25.

Ice Forecast

Issued 10:00 AM EDT 1 May 2025 Today Tonight and Friday 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 1 May 2025 Today Tonight and Friday

Ice Edge

Ice edge estimated from Newfoundland near 4904N 5336W to 4853N 5147W
to 5440N 5230W to 5628N 5621W to 6108N 5855W to 6200N 5830W 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 1 May 2025 Today Tonight and Friday

Ice Edge

Ice edge estimated from Newfoundland near 4904N 5336W to 4853N 5147W
to 5440N 5230W to 5628N 5621W to 6108N 5855W to 6200N 5830W 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 3:18 PM EDT 1 May 2025

Iceberg Limit

Iceberg limit at 0000 UTC 2 May estimated from Newfoundland near
4723N 5503W to 4040N 5210W to 4100N 4720W to 4530N 3335W to 4710N
3245W to 5915N 5605W to 6035N 5500W to 5920N 4925W then eastwards.

Western iceberg limit at 0000 UTC 2 May estimated from Quebec near
5020N 6115W to Newfoundland near 4805N 5845W.

Iceberg Count

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

Iceberg Bulletin

Tail of the Grand Banks

Issued 3:18 PM EDT 1 May 2025

Iceberg Limit

Iceberg limit at 0000 UTC 2 May estimated from Newfoundland near
4723N 5503W to 4040N 5210W to 4100N 4720W to 4530N 3335W to 4710N
3245W to 5915N 5605W to 6035N 5500W to 5920N 4925W then eastwards.

Western iceberg limit at 0000 UTC 2 May 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 8:00 PM NDT 01 May 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 8:00 PM NDT 1 May 2025 Tonight and Friday At 8:00 p.m. NDT tonight low 993 mb located off The Bonavista
Peninsula.
By 3:30 p.m. NDT Friday quasi-stationary low 1000 mb located
northeast of Belle Isle Bank.

At 8:00 p.m. NDT tonight ridge located on a line north-south
over Maine.
By 8:00 p.m. NDT Friday approaching ridge from high located on a
line north-south over the Gulf of St. Lawrence.

Marine Weather Statement

Issued 7:40 PM NDT 1 May 2025 A low pressure system off the Bonavista Peninsula will slowly track
northeastward to lie northeast of Belle Isle Bank by Friday morning
where it will stall. Strong to gale force westerly to northwesterly
winds are expected in the low's wake.

Marine interests are advised that gale warnings are in effect for
Strait of Belle Isle - eastern half, Southwest Coast, South Coast,
East Coast - north of Cape St. Francis, Northeast Coast, Belle Isle
Bank, Funk Island Bank, and Southwestern Grand Banks.

Atlantic - Newfoundland Area

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Marine Weather for Canada

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