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South Labrador Sea

Warnings

Forecast

Marine Forecast

Issued 04:00 AM NDT 10 April 2025

Today Tonight and Friday.

Wind southwest 25 knots veering to northwest 30 this evening then backing to west 25 overnight. Wind diminishing to west 15 to 20 Friday evening.

Flurries ending Friday morning. Visibility 1 mile or less in flurries.

Freezing spray warning in effect.

Over open water freezing spray ending Friday morning. Risk of freezing spray Friday.

Temperatures minus 10 to minus 5 rising to minus 5 to zero near midnight.

Waves

Issued 06:00 PM NDT 09 April 2025
Tonight and Thursday. Outside the ice edge seas 2 to 3 metres subsiding to 1 to 2 this evening then building to 2 to 3 late overnight.

Extended Forecast

Issued 04:00 AM NDT 10 April 2025
Saturday Wind west 15 to 20 knots.
Sunday Wind southwest 15 to 20 knots veering to northwest 10 to 15.
Monday Wind light increasing to southeast 15 to 20 knots.

Ice Forecast

Issued 10:00 AM EDT 9 April 2025 Today Tonight and Thursday 1 tenth first-year ice including a trace of old ice except 6 tenths first-year ice including a trace of old ice in the western section. 

[ Canadian Ice Service ]

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Map of Arctic - Eastern Arctic marine weather areas Baker Lake Airport Chesterfield Inlet Airport Coral Harbour Airport Gjoa Haven Airport Kugaaruk Airport Rankin Inlet Airport Shepherd Bay Airport Whale Cove Airport Arctic Bay Brevoort Island Qikiqtarjuaq Airport Kinngait (Cape Dorset Airport) Cape Dyer Cape Hooper Cape Liverpool Clyde River Airport Cape Mercy Fort Ross Grise Fiord Airport Sanirajak (Hall Beach Airport) Igloolik Airport Iqaluit Airport Kimmirut Airport Longstaff Bluff Pangnirtung Airport Pond Inlet Airport Naujaat Resolute Airport Rowley Island Airport Taloyoak Airport Wager Bay Akulivik Airport Ivujivik Airport Puvirnituq Airport Aupaluk Airport Kangiqsujuaq Airport Kangirsuk Airport Kangiqsualujjuaq Airport Quaqtaq Airport Salluit Airport Tasiujaq Airport Cape Kakkiviak Cape Kiglapait Nain Airport Saglek
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Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 9 April 2025 Today Tonight and Thursday

Ice Edge

Ice edge estimated from Newfoundland near 4842N 5305W to 5017N 4749W
to 5513N 5150W to 5731N 5549W to 6117N 6003W to 6200N 5858W then
northeastward. Sea ice north then west of the ice edge.

Ice Coverage

1 tenth first-year ice including a trace of old ice except 6 tenths
first-year ice including a trace of old ice in the western section.

 

Iceberg Bulletin

Issued 2:30 PM EDT 9 April 2025

Iceberg Limit

Iceberg limit at 0000 UTC 10 Apr estimated from Newfoundland near
4658N 5404W to 4325N 5120W to 4315N 4620W to 4630N 4000W to 5610N
4930W to 5900N 5620W to 6020N 5505W to 5845N 4935W then eastwards.

Western iceberg limit at 0000 UTC 10 Apr estimated from Quebec near
5020N 6115W to Newfoundland near 4805N 5845W.

Iceberg Count

Unknown number of icebergs.
Warnings

Warnings (In effect)

Freezing spray warning in effect

South Labrador Sea

Issued 04:00 AM NDT 10 April 2025

Moderate or severe freezing spray is occurring or expected to occur in this marine area. 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 10 April 2025 Today Tonight and Friday At 4:00 a.m. NDT today low 971 mb located south of Greenland.
By 9:30 p.m. NDT tonight departing low 980 mb located east of
Greenland.

At 4:00 a.m. NDT today trough located on a line east-west over
the Northwest Labrador Sea.
By 4:00 a.m. NDT Friday trough located on a line northeast-southwest
over the South Labrador Sea.

At 4:00 a.m. NDT today dissipating low 991 mb located south of
Ungava Bay.

Marine Weather Statement

Issued 4:00 AM NDT 10 April 2025 A low pressure system south of Greenland will depart east of
Greenland later today. Gale force northwesterlies can be expected
this morning over southeastern parts of the East Labrador Sea behind
the low.

A trough of low pressure stretching east-west across northern
sections of the Labrador Sea will slowly pivot and swing
southeastward across the Labrador Sea today and tonight. Strong to
gale force southwesterlies can be expected south of the trough while
strong to gale force northwesterlies can be expected in its wake.

Marine interests are advised that a gale warning is in effect for
East Labrador Sea - southeastern half.

Marine interests are also advised that freezing spray warnings are in
effect for South Labrador Sea and Northwest Labrador Sea.

Arctic - Eastern Arctic Area

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