Southwest Coast
Forecast
Marine Forecast
Issued 03:00 AM NST 12 December 2025
Today Tonight and Saturday.
Gale warning in effect.
Wind southwest 25 knots increasing to southwest 35 early this morning then veering to northwest 35 Saturday morning. Wind diminishing to west 25 Saturday evening.
Flurries beginning this morning. Visibility 1 mile or less in flurries.
Waves
Issued 06:00 PM NST 11 December 2025
Tonight and Friday.
Seas 3 to 5 metres building to 5 to 7 Friday
afternoon.
Extended Forecast
Issued 03:00 AM NST 12 December 2025
Sunday
Wind west 25 knots diminishing to variable 10
to 15 in the morning then increasing to south 20 in the afternoon.
Monday
Wind east 25 to 35 knots backing to north 35 to
45.
Tuesday
Wind northwest 45 to 55 knots diminishing to
northwest 15 to 20.
Ice Forecast
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Weather Conditions
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Ice Conditions
Ice Forecasts
Issued 10:00 AM EST 11 December 2025 Today Tonight and FridayIce Edge
First ice edge estimated from 4723N 6136W to 4738N 6112W to 4744N6124W 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 4551N 6201W 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 Newfoundland near 5029N 5728W. Sea ice
north of the ice edge.
Ice Coverage
Ice free.
Iceberg Bulletin
Issued 1:30 PM EST 11 December 2025Iceberg Limit
Iceberg limit at 0000 UTC 12 Dec estimated from Newfoundland near4730N 5239W to 4730N 5030W to 5200N 4915W to 5945N 5730W to 6155N
5330W to 6005N 4945W then northeastward.
Iceberg Count
No confirmed icebergs.Warnings
Warnings (In effect)
Gale warning in effect
Southwest Coast
Issued 03:00 AM NST 12 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.
Synopsis
Technical Marine Synopsis
Issued 3:00 AM NST 12 December 2025 Today Tonight and Saturday At 3:00 a.m. NST today deepening low 974 mb located over BelleIsle Bank.
By 3:00 a.m. NST Saturday low 957 mb located southeast of Labrador
Sea.
At 3:00 a.m. NST today trough from low located on a line east-west
over the Quebec Lower North Shore.
By 3:00 a.m. NST Saturday trough from low located on a line
northeast-southwest over Belle Isle Bank.
Marine Weather Statement
Issued 2:57 AM NST 12 December 2025 A deepening low pressure system over Belle Isle Bank will continue totrack northeastwards today. A trailing trough will follow behind the
low, crossing Newfoundland on Saturday. Strong to gale force west to
southwesterlies can be expected today and Saturday across most waters
due to these features.
Marine interests are advised that gale warnings are in effect for all
waters except Strait of Belle Isle and the Gulf waters.
Atlantic - Newfoundland Area
- Anticosti - northern half
- Anticosti - southern half
- Banquereau - northwestern half
- Banquereau - southeastern half
- Belle Isle Bank
- Bras d'Or Lakes
- Cabot Strait - northern half
- Cabot Strait - southern half
- Chaleur - Miscou
- Eastern Shore
- East Coast
- Fourchu
- Funk Island Bank
- Gulf - Magdalen
- Gulf - Port au Port - northwestern half
- Gulf - Port au Port - southeastern half
- Lake Melville
- Laurentian Fan
- Mid Labrador Coast - Hopedale and south
- Northeast Coast
- Northeast Gulf
- Northern Grand Banks
- Northumberland Strait - eastern half
- Northumberland Strait - western half
- Sable
- Southeastern Grand Banks
- Southwestern Grand Banks
- Southwest Coast
- South Coast
- South Labrador Coast
- South Labrador Sea
- Strait of Belle Isle - eastern half
- Strait of Belle Isle - western half
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