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Southwestern Grand Banks

Warnings

Forecast

Marine Forecast

Issued 08:00 PM NDT 12 July 2025

Tonight and Sunday.

Gale warning in effect.

Wind northwest 35 knots diminishing to northwest 15 to 20 late overnight except northwest 35 over eastern sections overnight and Sunday morning. Wind becoming northwest 10 to 15 Sunday evening.

Showers ending overnight.

Waves

Issued 06:00 PM NDT 12 July 2025
Tonight and Sunday. Seas 3 to 4 metres subsiding to 2 to 3 Sunday evening.

Extended Forecast

Issued 03:30 PM NDT 12 July 2025
Monday Wind light.
Tuesday Wind variable 10 to 15 knots increasing to southwest 15 to 20.
Wednesday Wind west 15 to 20 knots.

Ice Forecast

Issued 10:00 AM EDT 12 July 2025 Today Tonight and Sunday Ice free.  

[ 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 12 July 2025 Today Tonight and Sunday

Ice Edge

Ice edge estimated from Labrador near 5959N 6409W to 6200N 6028W
then northeastward. Sea ice northwest of the ice edge.

Ice Coverage

Ice free.

Ice Forecasts

Tail of the Grand Banks

Issued 10:00 AM EDT 12 July 2025 Today Tonight and Sunday

Ice Edge

Ice edge estimated from Labrador near 5959N 6409W to 6200N 6028W
then northeastward. Sea ice northwest of the ice edge.

Ice Coverage

Forecasts available to mariners upon request.

 

Iceberg Bulletin

Southwestern Grand Banks

Issued 2:30 PM EDT 12 July 2025

Iceberg Limit

Iceberg limit at 0000 UTC 13 Jul estimated from Newfoundland near
4640N 5310W to 4555N 4505W to 4910N 4205W to 5430N 4920W to 5645N
5340W to 5745N 5405W to 6035N 5330W then eastward.

Iceberg Count

No confirmed icebergs.

Iceberg Bulletin

Tail of the Grand Banks

Issued 2:30 PM EDT 12 July 2025

Iceberg Limit

Iceberg limit at 0000 UTC 13 Jul estimated from Newfoundland near
4640N 5310W to 4555N 4505W to 4910N 4205W to 5430N 4920W to 5645N
5340W to 5745N 5405W to 6035N 5330W then eastward.

Iceberg Count

Forecasts available to mariners upon request.
Warnings

Warnings (In effect)

Gale warning in effect

Southwestern Grand Banks

Issued 8:00 PM NDT 12 July 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 12 July 2025 Tonight and Sunday At 8:00 p.m. NDT tonight low 1007 mb located over the southeastern
Grand Banks.
By 3:30 p.m. NDT Sunday low 1002 mb located east of the Grand Banks.

At 8:00 p.m. NDT tonight ridge located on a line east-west over
northern Newfoundland.
By 3:30 p.m. NDT Sunday ridge located on a line northeast-southwest
over northeastern Newfoundland.

Marine Weather Statement

Issued 7:47 PM NDT 12 July 2025 A low pressure system over Southeastern Grand Banks will slowly drift
eastward to depart from the marine district on Monday. Strong
southwesterlies ahead of the low will shift to strong to gale force
northwesterlies behind it.

Marine interest are advised that gales warnings are in effect for the
Southern Grand Banks.

Atlantic - Newfoundland Area

Another Region

Marine Weather for Canada

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