Southwestern Grand Banks
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
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Weather Conditions
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Ice Conditions
Ice Forecasts
Southwestern Grand Banks
Issued 10:00 AM EDT 12 July 2025 Today Tonight and SundayIce Edge
Ice edge estimated from Labrador near 5959N 6409W to 6200N 6028Wthen 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 SundayIce Edge
Ice edge estimated from Labrador near 5959N 6409W to 6200N 6028Wthen 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 2025Iceberg Limit
Iceberg limit at 0000 UTC 13 Jul estimated from Newfoundland near4640N 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 2025Iceberg Limit
Iceberg limit at 0000 UTC 13 Jul estimated from Newfoundland near4640N 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 southeasternGrand 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 drifteastward 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
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