South Labrador Sea
Forecast
Marine Forecast
Issued 04:00 AM NST 05 December 2025
Today Tonight and Saturday.
Gale warning in effect.
Wind southeast 15 knots backing to northeast 15 to 20 this afternoon then to north 15 to 20 this evening except north 35 over northwestern sections. Wind increasing to north 35 to 45 late overnight except northeast 25 over eastern sections Saturday.
Flurries becoming showers or flurries Saturday morning. Visibility 1 mile or less in precipitation.
Temperatures near zero.
Waves
Extended Forecast
Ice Forecast
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Weather Conditions
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Ice Conditions
Ice Forecasts
Issued 10:00 AM EST 4 December 2025 Today Tonight and FridayIce Edge
First ice edge estimated from Newfoundland near 5039N 5607W to 5042N5551W to 5141N 5511W to 5142N 5511W to 5147N 5545W to Newfoundland
near 5137N 5557W. Sea ice west then south of the ice edge.
Second ice edge estimated from Labrador near 5347N 5630W to 5445N
5700W to 5547N 5953W to 5646N 6052W to 5928N 6239W to Labrador near
6018N 6424W. Sea ice west of the ice edge.
Ice Coverage
Bergy water.
Iceberg Bulletin
Issued 1:30 PM EST 4 December 2025Iceberg Limit
Iceberg limit at 0000 UTC 5 Dec estimated from Newfoundland near4900N 5350W to 4900N 4815W to 5000N 4700W to 5100N 4730W to 5945N
5730W to 6120N 5340W then eastward.
Iceberg Count
Unknown number of icebergs.Warnings
Warnings (In effect)
Gale warning in effect
South Labrador Sea
Issued 04:00 AM NST 05 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 4:00 AM NST 5 December 2025 Today Tonight and Saturday At 4:00 a.m. NST today trough located over the southeastern EastLabrador Sea.
By 4:00 a.m. NST Saturday trough located on a line
northwest-southeast over Labrador Sea.
At 4:00 a.m. NST today ridge located on a line north-south over
the East Labrador Sea.
By 9:30 a.m. NST today dissipating ridge located on a line
northwest-southeast over Labrador Sea.
Marine Weather Statement
Issued 3:55 AM NST 5 December 2025 A trough of low pressure over the southeastern portion of the EastLabrador Sea will continue to extend northwestward and intensify.
Strong to gale force southeasterlies will spread east of the trough
today, and strong to gale force north to northwesterlies will develop
west of the trough as it intensifies.
Marine interests are advised that gale warnings are in effect for all
waters except Lake Melville.
Marine interests are also advised that freezing spray warnings are in
effect for Lake Melville, Mid Labrador Coast - north of Hopedale,
North Labrador Coast, and Northwest Labrador Sea - western half.
Atlantic - Newfoundland Area
- Anticosti - northwestern half
- Anticosti - southeastern half
- Banquereau - northern half
- Banquereau - southern half
- Belle Isle Bank
- Bras d'Or Lakes
- Cabot Strait
- Chaleur - Miscou - eastern half
- Chaleur - Miscou - western half
- Eastern Shore - eastern half
- East Coast - Cape St. Francis and south
- East Coast - north of Cape St. Francis
- Fourchu
- Funk Island Bank
- Gulf - Magdalen - northeastern half
- Gulf - Magdalen - southwestern half
- 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 - eastern half
- 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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