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South Labrador Sea

Warnings

Forecast

Marine Forecast

Issued 09:30 AM NDT 28 April 2025

Today Tonight and Tuesday.

Gale warning in effect.

Wind northwest 25 knots backing to west 15 to 20 this evening then to south 25 late overnight. Wind increasing to southwest 35 near noon Tuesday.

Flurries ending this afternoon. Rain or snow Tuesday.

Freezing spray warning in effect.

Over open water freezing spray over northwestern sections today and early this evening.

Temperatures minus 6 to zero rising to plus 3 Tuesday morning.

Waves

Issued 06:00 AM NDT 28 April 2025
Today Tonight and Tuesday. Outside the ice edge seas 2 to 3 metres building to 3 to 4 near noon then subsiding to 2 to 3 late overnight. Seas building to 3 to 4 near noon Tuesday.

Extended Forecast

Issued 04:00 AM NDT 28 April 2025
Wednesday Wind south 25 to 35 knots becoming north 25 to 35 in the morning.
Thursday Wind north 25 knots.
Friday Wind north 25 to 35 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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Map of Atlantic - Newfoundland marine weather areas Eskasoni (First Nations) Heath Point Bonavista Wreckhouse St.Paul Island Winterland Branch Hill Twillingate Stephenville Airport Burgeo St. Lawrence St. John's Int'l Airport St. Anthony Airport Grates Cove Cape Race Grand Étang Sagona Island North Mountain Port aux Basques Ingonish Beach La Scie Ferolle Point Englee Daniel's Harbour Corner Brook Cartwright Airport East Point West Chedabucto Bay – 44489 Blanc-Sablon Airport East Chedabucto Bay – 44488 Cap Whittle Chevery Banquereau - 44139 Charlottetown Airport Mary's Harbour North Cape Natashquan Airport Argentia J.A. Douglas McCurdy Sydney Airport Berry Hill Long Pond Îles de la Madeleine Airport Miscou Island Marticot Island Pool's Island
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land station Land Station
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 9:15 AM 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 09:30 AM NDT 28 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.

Freezing spray warning in effect

South Labrador Sea

Issued 09:30 AM NDT 28 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 9:30 AM NDT 28 April 2025 Today Tonight and Tuesday At 9:30 a.m. NDT today low 993 mb located north of the East
Labrador Sea.
By 9:30 p.m. NDT tonight departing low 1000 mb located northeast
of Labrador Sea.

At 9:30 a.m. NDT today ridge located over western Labrador.
By 9:30 a.m. NDT Tuesday ridge located on a line north-south over
the East Labrador Sea.

At 9:30 a.m. NDT Tuesday approaching low 987 mb located over
Ungava Bay.

Marine Weather Statement

Issued 9:14 AM NDT 28 April 2025 A low pressure system north of the marine district will slowly track
eastward and weaken today. Over northern waters, gale force west to
northwesterlies will gradually diminish today into this evening as
the low weakens.

A second low will approach the marine district from the west tonight.
Strong to gale force southerlies will develop over most waters on
Tuesday ahead of the low.

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

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

Atlantic - Newfoundland Area

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Marine Weather for Canada

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