Marine Forecast
Issued 03:00 AM AST 20 December 2025
Today Tonight and Sunday.
Gale warning in effect.
Wind westerly 40 knots diminishing to northwest 30 near noon and
to northwest 10 to 15 this evening. Wind increasing to southwest 25 overnight
and to southwest 35 Sunday morning. Wind diminishing to westerly 25 to 30 Sunday
afternoon.
Showers Sunday.
Strong wind warning program has ended for the season.
Winds
Issued 03:00 AM AST 20 December 2025
Today Tonight and Sunday.
Gale warning in effect.
Wind westerly 40 knots diminishing to northwest 30 near noon and
to northwest 10 to 15 this evening. Wind increasing to southwest 25 overnight
and to southwest 35 Sunday morning. Wind diminishing to westerly 25 to 30 Sunday
afternoon.
Strong wind warning program has ended for the season.
Waves
Issued 05:00 AM AST 20 December 2025
Today Tonight and Sunday.
Seas 4 to 6 metres subsiding to 3 to 4 early this evening and to
2 to 3 near midnight. Seas building to 3 to 4 Sunday morning then subsiding to 2
to 3 Sunday evening.
Weather & Visibility
Issued 03:00 AM AST 20 December 2025
Today Tonight and Sunday.
Showers Sunday.
Ice Forecasts
Issued 10:00 AM EST 19 December 2025 Today Tonight and Saturday Ice Edge
First 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.
Warnings (In effect)
Lurcher
Issued 03:00 AM AST 20 December 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.
Technical Marine Synopsis
Issued 3:00 AM AST 20 December 2025 Today Tonight and Sunday At 3:00 a.m. AST today trough located from the Gulf of St. Lawrence
to East Scotian Slope.
By 10:00 a.m. AST today departing trough located over the eastern
Marine District.
At 10:00 a.m. AST Sunday low 1001 mb located over southern Quebec.
By 8:00 p.m. AST Sunday departing low 1002 mb located over the
eastern Gulf of St. Lawrence.
At 8:00 p.m. AST tonight ridge located over the western Marine
District.
By 3:00 a.m. AST Sunday departing ridge located over the eastern
Marine District.
Marine Weather Statement
Issued 2:53 AM AST 20 December 2025 A trough of low pressure stretching from the Gulf of St. Lawrence to
East Scotian Slope will continue to track eastward this morning.
Gale to storm force southerlies ahead of the trough shift to gale to
storm force westerlies in its wake. Winds will diminish later today
as a ridge of high pressure builds in from the west.
Marine interests are advised that storm warnings are in effect for
eastern shore - eastern half, Sable - eastern half, East Scotian
Slope - eastern half, Fourchu, Banquereau, Laurentian Fan, Cabot
Strait, Gulf - Magdalen - eastern half and Anticosti. Gale warnings
are in effect for all remaining waters.
Freezing spray warnings are in effect for Gulf-Magdalen,
Chaleur-Miscou and Anticosti.