Marine Forecast
Issued 03:00 AM NDT 06 May 2026
Today Tonight and Thursday.
Wind southwest 15 to 20 knots backing to south 10 to 15 this
afternoon then to southeast 15 to 20 Thursday morning. Wind increasing to
southeast 25 Thursday afternoon.
Showers Thursday afternoon and evening. Fog patches forming
this morning.
Winds
Issued 03:00 AM NDT 06 May 2026
Today Tonight and Thursday.
Wind southwest 15 to 20 knots backing to south 10 to 15 this
afternoon then to southeast 15 to 20 Thursday morning. Wind increasing to
southeast 25 Thursday afternoon.
Waves
Issued 06:00 AM NDT 06 May 2026
Today Tonight and Thursday.
Seas 2 to 3 metres subsiding to 1 to 2 near noon then building to
2 to 3 Thursday afternoon.
Weather & Visibility
Issued 03:00 AM NDT 06 May 2026
Today Tonight and Thursday.
Showers Thursday afternoon and evening. Fog patches forming
this morning.
Ice ForecastsSouthwestern Grand BanksIssued 10:00 AM EDT 5 May 2026 Today Tonight and Wednesday Ice EdgeIce edge estimated from Newfoundland near 4917N 5330W to 4942N 5149W to 5547N 5250W to 5717N 5736W to 6145N 5948W to 6200N 5923W then northeastward. Sea ice north then west of the ice edge.
Ice Coverage
Bergy water.
Ice ForecastsTail of the Grand BanksIssued 10:00 AM EDT 5 May 2026 Today Tonight and Wednesday Ice EdgeIce edge estimated from Newfoundland near 4917N 5330W to 4942N 5149W to 5547N 5250W to 5717N 5736W to 6145N 5948W to 6200N 5923W then northeastward. Sea ice north then west of the ice edge.
Ice Coverage
Forecasts available to mariners upon request.
Iceberg BulletinSouthwestern Grand BanksIssued 2:58 PM EDT 5 May 2026 Iceberg LimitIceberg limit at 0000 UTC 6 May estimated from Newfoundland near 4655N 5545W to 4150N 5105W to 4230N 4635W to 4715N 4325W to 5305N 4735W to 5900N 5500W to 6000N 5300W to 5645N 4700W then eastward.Iceberg CountNo confirmed icebergs except less than 10 icebergs northeast of the iceberg limit.Iceberg BulletinTail of the Grand BanksIssued 2:58 PM EDT 5 May 2026 Iceberg LimitIceberg limit at 0000 UTC 6 May estimated from Newfoundland near 4655N 5545W to 4150N 5105W to 4230N 4635W to 4715N 4325W to 5305N 4735W to 5900N 5500W to 6000N 5300W to 5645N 4700W then eastward.Iceberg CountForecasts available to mariners upon request.
No watches or warnings in effect.
Technical Marine SynopsisIssued 3:00 AM NDT 6 May 2026 Today Tonight and Thursday At 3:00 a.m. NDT today trough located over Labrador Sea. By 10:00 a.m. NDT today departing trough located over Labrador Sea.
At 3:00 a.m. NDT today quasi-stationary high 1030 mb located southeast of the Grand Banks.
At 3:30 p.m. NDT today trough located over New England. By 3:30 p.m. NDT Thursday trough located on a line north-south over the Gulf of St. Lawrence.
Marine Weather StatementIssued 2:57 AM NDT 6 May 2026 A trough of low pressure over the Labrador Sea will depart to the north today, while an area of high pressure southeast of the Grand Banks remains nearly stationary throughout the forecast period. Between these two features, strong to gale force southwesterlies will diminish early this morning as the trough moves away.
A second trough will approach the district from the west on Thursday. Strong to gale force southerlies will develop over western waters on Thursday ahead of the trough.
Marine interests are advised that gale warnings are in effect for Northeast Gulf and Gulf - Port au Port.
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