Marine Forecast
Issued 04:00 AM NST 21 December 2025
Today Tonight and Monday.
Wind southwest 25 knots diminishing to southwest 15 to 20 near
noon and to light early this evening. Wind light Monday.
Freezing spray warning in effect.
Over open water freezing spray ending near noon.
Temperatures minus 15 falling to minus 23 Monday morning then
rising to minus 18 Monday evening.
Winds
Issued 04:00 AM NST 21 December 2025
Today Tonight and Monday.
Wind southwest 25 knots diminishing to southwest 15 to 20 near
noon and to light early this evening. Wind light Monday.
Air temperature
Issued 04:00 AM NST 21 December 2025
Today Tonight and Monday.
Temperatures minus 15 falling to minus 23 Monday morning then
rising to minus 18 Monday evening.
Freezing Spray
Issued 04:00 AM NST 21 December 2025
Today Tonight and Monday.
Freezing spray warning in effect.
Over open water freezing spray ending near noon.
Ice Forecasts
Issued 10:00 AM EST 20 December 2025 Today Tonight and Sunday Ice Edge
Ice edge estimated from Newfoundland near 4842N 5305W to 4935N 5326W
to 5012N 5536W to 5125N 5504W to 5349N 5528W to 5633N 6011W to 5928N
6239W to 6200N 5947W then northeastward. Sea ice west of the ice
edge.
Ice Coverage
Ice pressure warning in effect.
5 tenths new ice including 2 tenths grey-white ice except 9 plus
tenths grey-white ice in the eastern section. Consolidated
grey-white ice including 4 tenths first-year ice in the extreme
western section.
Strong ice pressure in the eastern section continuing today and
easing Sunday afternoon.
Warnings (In effect)
Lake Melville
Issued 04:00 AM NST 21 December 2025Moderate or severe freezing spray is occurring or expected to occur in this marine area. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.
Lake Melville
Issued 11:30 AM NST 20 December 2025Navigators in this marine area should be on the lookout for hazardous ice conditions and take necessary safety precautions. Please refer to the latest ice forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio stations.
Technical Marine Synopsis
Issued 4:00 AM NST 21 December 2025 Today Tonight and Monday At 4:00 a.m. NST today weakening low 952 mb located over the East
Labrador Sea.
By 4:00 p.m. NST today departing low 963 mb located north of the
Marine District.
At 4:00 a.m. NST today ridge located on a line northwest-southeast
over Quebec.
By 4:00 a.m. NST Monday ridge located on a line northeast-southwest
over Labrador.
At 4:00 a.m. NST today low 996 mb located southeast of James Bay.
By 4:00 a.m. NST Monday low 997 mb located over western Belle
Isle Bank.
Marine Weather Statement
Issued 3:48 AM NST 21 December 2025 An intense low pressure system over the East Labrador Sea will track
northward to lie north of the marine district by later today. Gale to
storm force southerlies ahead of the low shift to gale to storm force
northwesterlies to westerlies in its wake. Winds will gradually
diminish today as the low departs.
Marine interests are advised that storm warnings are in effect for
the Labrador Sea and gale warnings are in effect for the Labrador
coast.
Marine interests are also advised that freezing spray warnings are in
effect for all waters.