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South Labrador Sea

Warnings

Forecast

Marine Forecast

Issued 09:30 AM NDT 21 April 2026

Today Tonight and Wednesday.

Wind northwest 15 to 20 knots backing to west 10 to 15 near noon then increasing to variable 15 to 20 this evening except northwest 25 over northwestern sections tonight and Wednesday.

Flurries ending overnight. Visibility 1 mile or less in flurries.

Risk of freezing spray tonight and Wednesday.

Temperatures minus 5 to plus 2.

Waves

Issued 06:00 AM NDT 21 April 2026
Today Tonight and Wednesday. Outside the ice edge seas 2 to 3 metres subsiding to 1 to 2 near midnight.

Extended Forecast

Issued 04:00 AM NDT 21 April 2026
Thursday Wind variable 15 to 20 knots increasing to southeast 25 in the morning then backing to east 15 to 20 late in the day.
Friday Wind northeast 15 to 20 knots backing to north 25.
Saturday Wind north 25 to 35 knots.

Ice Forecast

Issued 10:00 AM EDT 21 April 2026 Today Tonight and Wednesday 1 tenth first-year ice including a trace of old ice except 5 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 Tasiujaq Airport Saglek Nain Airport Cape Kiglapait Chesterfield Inlet Airport Cape Kakkiviak Coral Harbour Airport Salluit Airport Quaqtaq Airport Kangiqsualujjuaq Airport Kangirsuk Airport Akulivik Airport Kangiqsujuaq Airport Aupaluk Airport Ivujivik Airport Puvirnituq Airport Cape Liverpool Igloolik Airport Sanirajak (Hall Beach Airport) Grise Fiord Airport Fort Ross Cape Mercy Clyde River Airport Shepherd Bay Airport Whale Cove Airport Iqaluit Airport Cape Hooper Cape Dyer Kinngait (Cape Dorset Airport) Baker Lake Airport Arctic Bay Qikiqtarjuaq Airport Brevoort Island Pangnirtung Airport Wager Bay Taloyoak Airport Rowley Island Airport Resolute Airport Naujaat Pond Inlet Airport Gjoa Haven Airport Longstaff Bluff Kimmirut Airport Kugaaruk Airport Rankin Inlet Airport
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Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 21 April 2026 Today Tonight and Wednesday

Ice Edge

Ice edge estimated from Newfoundland near 4745N 5243W to 4641N 4618W
to 5530N 5230W to 5700N 5600W to 6045N 5800W to 6200N 5700W 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 5 tenths
first-year ice including a trace of old ice in the western section.

 

Iceberg Bulletin

Issued 2:30 PM EDT 20 April 2026

Iceberg Limit

Iceberg limit at 0000 UTC 21 Apr estimated from Newfoundland near
4655N 5400W to 4415N 5210W to 4340N 4630W to 4630N 4415W to 5000N
4425W to 5305N 4755W to 5900N 5500W to 6015N 5245W to 5830N 5000W
then eastward.

Iceberg Count

Unknown number of icebergs.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 9:30 AM NDT 21 April 2026 Today Tonight and Wednesday At 9:30 a.m. NDT today quasi-stationary trough located on a line
north-south over the East Labrador Sea.

At 9:30 a.m. NDT today intensifying trough located on a line
northeast-southwest over the northwestern South Labrador Sea.
By 9:30 a.m. NDT Wednesday low 1020 mb located over the northwestern
South Labrador Sea.

At 9:30 a.m. NDT today quasi-stationary ridge located over eastern
Greenland.

Marine Weather Statement

Issued 9:23 AM NDT 21 April 2026 A nearly stationary trough of low pressure over the East Labrador Sea
and a ridge of high pressure east of Greenland will cause strong to
gale force southeasterlies to persist over the East Labrador Sea
today. Winds will diminish this afternoon as the trough gradually
weakens.

Marine interests are advised that a gale warning is in effect for
East 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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