Marine Forecast
Issued 03:00 AM NST 18 December 2025
Today Tonight and Friday.
Gale warning in effect.
Wind southwest 35 knots veering to northwest 35 near noon then
diminishing to west 25 this evening. Wind backing to southwest 15 to 20
overnight then increasing to southwest 25 Friday morning. Wind increasing to
southwest 35 Friday evening.
Showers this morning. Flurries this
afternoon.
Temperatures plus 4 falling to minus 3 to plus 1 this evening
then rising to plus 3 Friday morning.
Winds
Issued 03:00 AM NST 18 December 2025
Today Tonight and Friday.
Gale warning in effect.
Wind southwest 35 knots veering to northwest 35 near noon then
diminishing to west 25 this evening. Wind backing to southwest 15 to 20
overnight then increasing to southwest 25 Friday morning. Wind increasing to
southwest 35 Friday evening.
Waves
Issued 06:00 PM NST 17 December 2025
Tonight and Thursday.
Seas 3 to 5 metres.
Weather & Visibility
Issued 03:00 AM NST 18 December 2025
Today Tonight and Friday.
Showers this morning. Flurries this
afternoon.
Air temperature
Issued 03:00 AM NST 18 December 2025
Today Tonight and Friday.
Temperatures plus 4 falling to minus 3 to plus 1 this evening
then rising to plus 3 Friday morning.
Ice Forecasts
Issued 10:00 AM EST 17 December 2025 Today Tonight and Thursday 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 Labrador near 6200N 5947W. Sea ice west of the ice edge.
Iceberg Bulletin
Issued 1:30 PM EST 17 December 2025 Iceberg Limit
Iceberg limit at 0000 UTC 18 Dec estimated from Newfoundland near
5020N 5628W to 5030N 5500W 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)
East Coast
Issued 03:00 AM NST 18 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 NST 18 December 2025 Today Tonight and Friday At 3:00 a.m. NST today trough located on a line northeast-southwest
over the West Coast of Newfoundland.
By 3:00 a.m. NST Friday trough located east of the Marine District.
At 3:00 a.m. NST Friday approaching trough located over Quebec.
At 3:00 a.m. NST today ridge located on a line north-south over
Quebec.
By 8:30 p.m. NST Friday ridge located on a line northwest-southeast
over the Northeast Coast of Newfoundland.
Marine Weather Statement
Issued 7:47 PM NST 17 December 2025 A trough of low pressure currently over New Brunswick will cross the
marine district on Thursday. Strong to gale force southwesterlies
will continue to spread across the marine district ahead of the
trough tonight before shifting to strong to gale force
northwesterlies in its wake on Thursday.
Marine interests are advised that gale warnings are in effect for all
waters.
Marine interests are also advised that freezing spray warnings are in
effect for Strait of Belle Isle, Gulf waters, Northeast Coast, Belle
Isle Bank, and Funk Island Bank.