Marine Forecast
Issued 12:36 PM NST 20 December 2025
Today Tonight and Sunday.
Storm warning in effect.
Wind south 45 to 55 knots diminishing to southwest 35 to 45
early this evening then veering to west 45 near midnight. Wind diminishing to
west 35 Sunday morning and to southwest 25 Sunday afternoon. Wind diminishing to
southwest 15 to 20 Sunday evening.
Showers with a risk of thunderstorms changing to flurries
this evening. Fog patches dissipating early this evening. Visibility 1 mile or
less in fog patches and in flurries.
Freezing spray warning in effect.
Freezing spray over western sections tonight and
Sunday.
Temperatures plus 5 falling to minus 8 to minus 4 Sunday
morning.
Winds
Issued 12:36 PM NST 20 December 2025
Today Tonight and Sunday.
Storm warning in effect.
Wind south 45 to 55 knots diminishing to southwest 35 to 45
early this evening then veering to west 45 near midnight. Wind diminishing to
west 35 Sunday morning and to southwest 25 Sunday afternoon. Wind diminishing to
southwest 15 to 20 Sunday evening.
Waves
Issued 06:00 AM NST 20 December 2025
Today Tonight and Sunday.
Seas 3 to 5 metres building to 5 to 7 this morning and to 7 to 9
this afternoon. Seas becoming 5 to 7 this evening except 7 to 9 over northern
sections Sunday morning.
Weather & Visibility
Issued 12:36 PM NST 20 December 2025
Today Tonight and Sunday.
Showers with a risk of thunderstorms changing to flurries
this evening. Fog patches dissipating early this evening. Visibility 1 mile or
less in fog patches and in flurries.
Air temperature
Issued 12:36 PM NST 20 December 2025
Today Tonight and Sunday.
Temperatures plus 5 falling to minus 8 to minus 4 Sunday
morning.
Freezing Spray
Issued 12:36 PM NST 20 December 2025
Today Tonight and Sunday.
Freezing spray warning in effect.
Freezing spray over western sections tonight and
Sunday.
Ice Forecasts
Belle Isle Bank
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
Bergy water.
Ice Forecasts
Southeast Labrador Sea
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
Forecasts available to mariners upon request.
Iceberg Bulletin
Belle Isle Bank
Issued 1:30 PM EST 19 December 2025 Iceberg Limit
Iceberg limit at 0000 UTC 20 Dec estimated from Newfoundland near
5020N 5628W to 5030N 5415W to 5330N 5200W to 5945N 5730W then
northeastward.Iceberg Count
No confirmed icebergs except less than 10 icebergs west of the
iceberg limit.Iceberg Bulletin
Southeast Labrador Sea
Issued 1:30 PM EST 19 December 2025 Iceberg Limit
Iceberg limit at 0000 UTC 20 Dec estimated from Newfoundland near
5020N 5628W to 5030N 5415W to 5330N 5200W to 5945N 5730W then
northeastward.Iceberg Count
Forecasts available to mariners upon request.
Warnings (In effect)
Belle Isle Bank
Issued 12:36 PM NST 20 December 2025'Storm' force winds of 48 to 63 knots are 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.
Belle Isle Bank
Issued 12:36 PM NST 20 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.
Technical Marine Synopsis
Issued 10:00 AM NST 20 December 2025 Today Tonight and Sunday At 10:00 a.m. NST today deepening low 954 mb located over northern
Labrador.
By 10:00 a.m. NST Sunday low 956 mb located north of Labrador Sea.
At 10:00 a.m. NST today trough from 954 mb low located on a line
north-south over the West Coast of Newfoundland.
By 3:00 a.m. NST Sunday departing trough from low located north
of the Marine District.
At 8:00 p.m. NST tonight building ridge located over the Maritimes.
Marine Weather Statement
Issued 9:51 AM NST 20 December 2025 A trough of low pressure associated with a rapidly intensifying low
over Northern Labrador will continue to cross the district today.
Strong to gale force southerlies to southwesterlies will increase to
gale to storm force southerlies ahead of the trough. Winds will shift
to gale to storm force westerlies in its wake and then diminish to
moderate to strong west to southwesterlies as it departs.
Marine interests are advised that storm warnings are in effect for
all waters except Northeast Gulf, Southwest Coast, and Southeastern
Grand Banks where gale warnings are in effect.
Marine interests are also advised that freezing spray warnings are in
effect for Strait of Belle Isle, Gulf waters, Northeast Coast, and
Belle Isle Bank.
Marine interests are further advised that higher than normal water
levels are expected this morning along the west coast of Newfoundland
including the western side of the Great Northern Peninsula, as well
as both sides of the Strait of Belle Isle. This is due to a
combination of high waves and pounding surf, storm surge, and a
higher run of tides.