Northern Grand Banks
Forecast
Marine Forecast
Issued 03:30 PM NDT 12 July 2025
Tonight and Sunday.
Wind east 25 knots backing to northeast 30 late overnight then diminishing to north 20 Sunday afternoon. Wind backing to northwest 10 to 15 Sunday evening.
Rain changing to showers and fog patches overnight and ending Sunday afternoon. Fog banks dissipating overnight.
Waves
Issued 06:00 AM NDT 12 July 2025
Today Tonight and Sunday.
Seas 1 to 2 metres building to 2 to 3 this
afternoon.
Extended Forecast
Issued 03:30 PM NDT 12 July 2025
Monday
Wind north 15 to 20 knots diminishing to light
in the morning.
Tuesday
Wind southwest 15 knots increasing to
southwest 20.
Wednesday
Wind southwest 20 knots veering to northwest
15 to 20.
Ice Forecast
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Weather Conditions
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Ice Conditions
Ice Forecasts
Northern 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
Bergy water.
Ice Forecasts
Flemish
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
Northern 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 except less than 10 icebergs north of theiceberg limit.
Iceberg Bulletin
Flemish
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
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 3:30 PM NDT 12 July 2025 Tonight and Sunday At 3:30 p.m. NDT today low 1007 mb located over the southwesternGrand Banks.
By 3:30 p.m. NDT Sunday low 1002 mb located east of the Grand Banks.
At 3:30 p.m. NDT today ridge located on a line northwest-southeast
over northern Newfoundland.
By 3:30 p.m. NDT Sunday ridge located on a line northeast-southwest
over northeastern Newfoundland.
Marine Weather Statement
Issued 3:19 PM NDT 12 July 2025 A low pressure system over Southwestern 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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