Marine Forecast
Issued 03:00 AM AST 22 December 2025
Today Tonight and Tuesday.
Wind northwest 25 knots increasing to northwest 30 early this
evening then diminishing to northwest 20 Tuesday afternoon. Wind diminishing to
northwest 10 to 15 Tuesday evening.
Flurries beginning late this morning and ending Tuesday
afternoon. Visibility 1 mile or less in flurries.
Temperatures plus 8 falling to minus 1 Tuesday
morning.
Winds
Issued 03:00 AM AST 22 December 2025
Today Tonight and Tuesday.
Wind northwest 25 knots increasing to northwest 30 early this
evening then diminishing to northwest 20 Tuesday afternoon. Wind diminishing to
northwest 10 to 15 Tuesday evening.
Waves
Issued 05:00 AM AST 22 December 2025
Today Tonight and Tuesday.
Seas 2 to 3 metres building to 3 to 4 this morning then subsiding
to 2 to 3 Tuesday evening.
Weather & Visibility
Issued 03:00 AM AST 22 December 2025
Today Tonight and Tuesday.
Flurries beginning late this morning and ending Tuesday
afternoon. Visibility 1 mile or less in flurries.
Air temperature
Issued 03:00 AM AST 22 December 2025
Today Tonight and Tuesday.
Temperatures plus 8 falling to minus 1 Tuesday
morning.
Ice ForecastsIssued 10:00 AM EST 21 December 2025 Today Tonight and Monday Ice EdgeFirst ice edge estimated from 4723N 6136W to 4738N 6112W to 4744N 6124W to 4734N 6159W to 4706N 6212W to 4706N 6147W to 4723N 6136W. Sea ice within the ice edge.
Second ice edge estimated from Nova Scotia near 4540N 6136W to Prince Edward Island near 4621N 6211W. Sea ice west of the ice edge.
Third ice edge estimated from Prince Edward Island near 4628N 6231W to 4640N 6329W to 4736N 6409W to 4904N 6404W to 4925N 6516W to 4916N 6703W to 4956N 6635W to Anticosti Island near 4924N 6336W. Sea ice west then north of the ice edge.
Fourth ice edge estimated from Anticosti Island near 4945N 6301W to 4946N 5954W to 5106N 5804W to 5035N 5733W to 4818N 5929W to 4731N 5923W to Newfoundland near 4736N 5740W. Sea ice north then east of the ice edge.
Iceberg BulletinIssued 1:30 PM EST 21 December 2025 Iceberg LimitIceberg limit at 0000 UTC 22 Dec estimated from Newfoundland near 5020N 5628W to 5100N 5300W to 5315N 5115W to 5945N 5730W to 6155N 5330W to 6005N 4945W to 5900N 4500W then northeastward.Iceberg CountNo confirmed icebergs.
No watches or warnings in effect.
Technical Marine SynopsisIssued 3:00 AM AST 22 December 2025 Today Tonight and Tuesday At 3:00 a.m. AST today departing low 999 mb located northeast of Newfoundland.
At 3:00 a.m. AST today ridge located over the Great Lakes. By 10:00 a.m. AST Tuesday ridge located on a line north-south over the western Marine District.
Marine Weather StatementIssued 2:48 AM AST 22 December 2025 Strong and cold northwesterly winds will spread across the district today in the wake of a departing low pressure system northeast of Newfoundland. These winds are expected to reach gale force for a time over southern-most waters today. Winds will gradually ease over western waters on Tuesday as a ridge of high pressure approaches from the west.
Marine interests are advised that gale warnings are in effect for Georges Bank and West Scotian Slope.
Marine interests are also advised that freezing spray warnings are in effect for Fundy, Grand Manan, eastern shore - eastern half, Fourchu, Cabot Strait, and all Gulf of St. Lawrence waters.
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