Marine Forecast
Issued 10:00 AM NST 19 December 2025
Today Tonight and Saturday.
Storm warning in effect.
Wind southwest 25 knots increasing to south 35 to 45 this
evening and to south 45 to 55 Saturday morning. Wind diminishing to southwest 35
to 45 Saturday afternoon then veering to west 45 Saturday evening.
Showers and fog patches Saturday.
Winds
Issued 10:00 AM NST 19 December 2025
Today Tonight and Saturday.
Storm warning in effect.
Wind southwest 25 knots increasing to south 35 to 45 this
evening and to south 45 to 55 Saturday morning. Wind diminishing to southwest 35
to 45 Saturday afternoon then veering to west 45 Saturday evening.
Waves
Issued 06:00 AM NST 19 December 2025
Today Tonight and Saturday.
Seas 2 to 3 metres building to 3 to 4 near midnight and to 4 to 6
Saturday morning.
Weather & Visibility
Issued 10:00 AM NST 19 December 2025
Today Tonight and Saturday.
Showers and fog patches Saturday.
Ice Forecasts
Issued 10:00 AM EST 19 December 2025 Today Tonight and Saturday 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.
Iceberg Bulletin
Issued 1:30 PM EST 18 December 2025 Iceberg Limit
Iceberg limit at 0000 UTC 19 Dec estimated from Newfoundland near
5020N 5628W to 5030N 5430W to 5330N 5200W to 5945N 5730W to 6155N
5330W to 6005N 4945W to 5900N 4600W then northeastward.Iceberg Count
No confirmed icebergs.
Warnings (In effect)
South Coast
Issued 10:00 AM NST 19 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.
Technical Marine Synopsis
Issued 10:00 AM NST 19 December 2025 Today Tonight and Saturday At 10:00 a.m. NST today deepening low 982 mb located southeast of
James Bay.
By 10:00 a.m. NST Saturday deepening low 957 mb located over
Labrador.
At 10:00 a.m. NST today trough from 982 mb low located on a line
north-south over Quebec.
By 10:00 a.m. NST Saturday trough from 957 mb low located on a
line north-south over Newfoundland.
At 10:00 a.m. NST today departing ridge located on a line
northwest-southeast over Belle Isle Bank.
Marine Weather Statement
Issued 9:46 AM NST 19 December 2025 A trough of low pressure associated with a rapidly intensifying low
over Quebec will approach from the west today. Strong to gale force
south to southwesterlies will spread across all waters today then
increase to gale to storm force southerlies tonight and Saturday
ahead of the trough. Winds will shift and diminish to strong to gale
force westerlies in its wake late Saturday.
Marine interests are advised that storm warnings are in effect for
all waters except the Southeastern Grand Banks where a gale warning
is 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 Saturday 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.