Cabot Strait - northern half
Forecast
Marine Forecast
Issued 10:00 AM AST 12 December 2025
Today Tonight and Saturday.
Gale warning in effect.
Wind west 40 knots veering to northwest 35 after midnight then diminishing to west 30 Saturday afternoon.
Flurries. Visibility 1 mile or less in flurries.
Risk of freezing spray this evening.
Temperatures near zero.
Strong wind warning program has ended for the season.
Waves
Issued 05:00 AM AST 12 December 2025
Today Tonight and Saturday.
Seas 2 metres building to 3 to 4 early this morning then
subsiding to 3 Saturday morning. Seas subsiding to 2 Saturday
afternoon.
Extended Forecast
Issued 03:00 AM AST 12 December 2025
Sunday
Wind west 20 knots increasing to southeast 25
in the afternoon.
Monday
Wind east 30 knots increasing to northwest
45.
Tuesday
Wind northwest 45 knots diminishing to
northwest 15.
Ice Forecast
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Land Station Ice Conditions
Ice Forecasts
Issued 10:00 AM EST 12 December 2025 Today Tonight and SaturdayIce 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
Cabot Strait - northern half
Issued 10:00 AM AST 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 10:00 AM AST 12 December 2025 Today Tonight and Saturday At 10:00 a.m. AST today low 976 mb located northeast of AnticostiIsland.
By 8:00 p.m. AST tonight departing low 968 mb located over
Labrador Sea.
Marine Weather Statement
Issued 9:54 AM AST 12 December 2025 A low pressure system northeast of Anticosti Island will move to lieover the Labrador Sea this evening. Gale to storm force west to
northwest winds will slowly diminish as the low moves northeastward.
Marine interests are advised that storm warnings are in effect for
East Scotian Slope and Laurentian Fan. Gale warnings are in effect
for all remaining waters.
Additionally, freezing spray warnings are in effect for Fundy, Grand
Manan, Northumberland Strait, Gulf-Magdalen, Chaleur-Miscou, and
Anticosti.
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
- 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
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