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South Labrador Sea

Warnings

Forecast

Marine Forecast

Issued 04:00 AM NDT 29 April 2025

Today Tonight and Wednesday.

Gale warning in effect.

Wind south 25 knots increasing to south 35 near noon then diminishing to north 25 late overnight. Wind north 25 Wednesday.

Rain or snow beginning this morning. Visibility 1 mile or less in precipitation.

Temperatures minus 1 rising to plus 4 this morning then falling to minus 4 to plus 2 Wednesday morning.

Waves

Issued 06:00 PM NDT 28 April 2025
Tonight and Tuesday. Outside the ice edge seas 3 to 4 metres subsiding to 2 to 3 late overnight then building to 3 to 4 Tuesday afternoon.

Extended Forecast

Issued 04:00 AM NDT 29 April 2025
Thursday Wind north 25 knots.
Friday Wind north 25 to 35 knots.
Saturday Wind light increasing to southeast 25 knots.

Ice Forecast

Issued 10:00 AM EDT 28 April 2025 Today Tonight and Tuesday Bergy water except 2 tenths first-year ice including a trace of old ice in the extreme western section. 

[ Canadian Ice Service ]

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Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 28 April 2025 Today Tonight and Tuesday

Ice Edge

Ice edge estimated from Newfoundland near 4849N 5349W to 4908N 5135W
to 5418N 5143W to 5607N 5624W to 6041N 5907W to 6200N 5900W then
northeastward. Sea ice north then west of the ice edge.

Ice Coverage

Bergy water except 2 tenths first-year ice including a trace of old
ice in the extreme western section.

 

Iceberg Bulletin

Issued 2:30 PM EDT 28 April 2025

Iceberg Limit

Iceberg limit at 0000 UTC 28 Apr estimated from Newfoundland near
4723N 5503W to 4040N 5210W to 4100N 4720W to 4655N 3430W to 5355N
4530W to 5915N 5605W to 6035N 5500W to 5920N 4925W then eastwards.

Western iceberg limit at 0000 UTC 28 Apr estimated from Quebec near
5020N 6115W to Newfoundland near 4805N 5845W.

Iceberg Count

Unknown number of icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

South Labrador Sea

Issued 04:00 AM NDT 29 April 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 NDT 29 April 2025 Today Tonight and Wednesday At 4:00 a.m. NDT today low 991 mb located west of Ungava Bay.
By 4:00 a.m. NDT Wednesday low 988 mb located north of Labrador Sea.

At 4:00 a.m. NDT today ridge located over Labrador Sea.
By 4:00 p.m. NDT today departing ridge located east of the East
Labrador Sea.

Marine Weather Statement

Issued 3:55 AM NDT 29 April 2025 A low pressure system west of Ungava Bay will move to lie north of
the Labrador Sea by tonight. Strong to gale force southerlies ahead
of the low will shift to strong to gale force northwesterlies in its
wake.

Marine interests are advised that gale warnings are in effect for
North Labrador Coast, South Labrador Sea, and Northwest Labrador Sea.

Marine interests are also advised that a freezing spray warning is in
effect for Northwest Labrador Sea.

Arctic - Eastern Arctic Area

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Marine Weather for Canada

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