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South Labrador Sea

Warnings

Forecast

Marine Forecast

Issued 09:30 PM NDT 21 April 2026

Tonight and Wednesday.

Wind variable 15 to 20 knots except northwest 25 over northwestern sections late this evening overnight and Wednesday morning.

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

Risk of freezing spray late this evening overnight and Wednesday morning.

Temperatures minus 5 to plus 2.

Waves

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

Extended Forecast

Issued 04:00 PM 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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Weather Conditions

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Map of Atlantic - Newfoundland marine weather areas Englee Wreckhouse Winterland Branch Hill Stephenville Airport Eskasoni (First Nations) Grand Étang St. Lawrence St. John's Int'l Airport St. Anthony Airport Ingonish Beach Sagona Island Port aux Basques La Scie North Mountain Ferolle Point Twillingate Daniel's Harbour St.Paul Island Corner Brook Cape Race J.A. Douglas McCurdy Sydney Airport Burgeo West Chedabucto Bay – 44489 Bonavista Berry Hill Charlottetown Airport Argentia East Point North Cape Long Pond Banquereau - 44139 Îles de la Madeleine Airport Miscou Island Cartwright Airport Cap Whittle Blanc-Sablon Airport Natashquan Airport East Chedabucto Bay – 44488 Marticot Island Pool's Island Mary's Harbour Grates Cove Chevery
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land station Land Station
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 21 April 2026

Iceberg Limit

Iceberg limit at 0000 UTC 22 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 5740N 4850W
then eastward.

Iceberg Count

Unknown number of icebergs.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 9:30 PM NDT 21 April 2026 Tonight and Wednesday At 9:30 p.m. NDT tonight intensifying storm 1018 mb located over
the northwestern South Labrador Sea.
By 4:00 p.m. NDT Wednesday weakening low 1022 mb located over the
southern Northwest Labrador Sea.

At 9:30 p.m. NDT tonight ridge located on a line north-south over
western Labrador.
By 4:00 p.m. NDT Wednesday quasi-stationary ridge located on a
line north-south over the Torngat Mountains.

At 9:30 p.m. NDT Wednesday approaching trough located over Belle
Isle Bank.

Marine Weather Statement

Issued 3:47 PM NDT 21 April 2026 Marine interests are advised that all warnings have ended.

Atlantic - Newfoundland Area

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Marine Weather for Canada

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