South Labrador Sea
Forecast
Marine Forecast
Issued 04:00 AM NDT 20 May 2026
Today Tonight and Thursday.
Gale warning in effect.
Wind variable 10 to 15 knots increasing to southeast 15 to 20 this evening and to southeast 25 near midnight except north 30 over northwestern sections Thursday morning and afternoon. Wind diminishing to north 15 to 20 Thursday afternoon except northwest 35 over northwestern sections.
Snow or rain overnight and Thursday. Visibility 1 mile or less in precipitation.
Waves
Extended Forecast
Ice Forecast
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Weather Conditions
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Ice Conditions
Ice Forecasts
Issued 10:00 AM EDT 19 May 2026 Today Tonight and WednesdayIce Edge
First ice edge estimated from Labrador near 5151N 5606W toNewfoundland near 5138N 5554W. Sea ice northeast of the ice edge.
Second ice edge estimated from Newfoundland near 5137N 5537W to
5501N 5438W to 5720N 5810W to 6200N 5940W then northeastward. Sea
ice west of the ice edge.
Ice Coverage
Bergy water except 3 tenths first-year ice including a trace of old
ice in the extreme western section.
Iceberg Bulletin
Issued 2:30 PM EDT 19 May 2026Iceberg Limit
Iceberg limit at 0000 UTC 20 May estimated from Newfoundland near4700N 5520W to 4325N 5015W to 4320N 4615W to 4845N 4335W to 5310N
4635W to 5550N 5010W to 5900N 5500W to 5955N 5310W to 5825N 4810W
then northeastward.
Iceberg Count
Unknown number of icebergs.Warnings
Warnings (In effect)
Gale warning in effect
South Labrador Sea
Issued 04:00 AM NDT 20 May 2026'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 NDT 20 May 2026 Today Tonight and Thursday At 4:00 a.m. NDT today deepening low 998 mb located over Quebec.By 4:00 a.m. NDT Thursday deepening low 988 mb located over
southern Labrador.
At 9:30 a.m. NDT Thursday deepening trough located on a line
north-south over the East Labrador Sea.
By 9:30 p.m. NDT Thursday trough located on a line
northwest-southeast over the South Labrador Sea.
At 4:00 a.m. NDT today ridge located over Labrador Sea.
By 9:30 p.m. NDT tonight dissipating ridge located over Labrador
Sea.
Marine Weather Statement
Issued 3:45 AM NDT 20 May 2026 A deepening low pressure system over Quebec will move throughLabrador tonight before crossing Belle Isle Bank on Thursday.
Over southern waters,strong to gale force southeasterlies ahead of
the low increase to gale force northwesterlies behind it.
Meanwhile, on Thursday a trough of low pressure extending northward
from the low will move southward over the Labrador Sea. Strong to
gale force northerlies ahead of the trough veer to strong to gale
force easterlies as it passes.
Marine interests are advised that gale warnings are in effect for all
waters.
Atlantic - Newfoundland Area
- Anticosti - eastern half
- Anticosti - western half
- Banquereau - northeastern half
- Banquereau - southwestern half
- Belle Isle Bank
- Bras d'Or Lakes
- Cabot Strait - northern half
- Cabot Strait - southern half
- Chaleur - Miscou
- Eastern Shore - eastern half
- East Coast
- Fourchu
- Funk Island Bank
- Gulf - Magdalen - northeastern half
- Gulf - Magdalen - southwestern half
- Gulf - Port au Port
- Lake Melville
- Laurentian Fan - northeastern half
- Mid Labrador Coast - Hopedale and south
- Northeast Coast
- Northeast Gulf
- Northern Grand Banks
- Northumberland Strait
- Sable - eastern half
- Southeastern Grand Banks
- Southwestern Grand Banks
- Southwest Coast
- South Coast
- South Labrador Coast
- South Labrador Sea
- Strait of Belle Isle
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ATOM