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South Labrador Sea

Forecast

Marine Forecast

Issued 09:30 AM NDT 27 April 2025

Today Tonight and Monday.

Wind southwest 30 knots diminishing to northwest 15 to 20 this evening then increasing to northwest 25 late overnight. Wind backing to west 15 to 20 Monday evening.

Showers or flurries beginning near noon becoming flurries near midnight and ending Monday afternoon.

Freezing spray warning in effect.

Over open water freezing spray over northwestern sections late overnight and Monday.

Temperatures plus 3 falling to minus 6 to zero near midnight.

Waves

Issued 06:00 AM NDT 27 April 2025
Today Tonight and Monday. Outside the ice edge seas 1 to 2 metres building to 2 to 3 this morning then subsiding to 1 to 2 this evening. Seas building to 2 to 3 late overnight and to 3 to 4 near noon Monday.

Extended Forecast

Issued 04:00 AM NDT 27 April 2025
Tuesday Wind south 20 knots increasing to south 25 to 35 in the morning.
Wednesday Wind south 25 to 35 knots becoming north 25 to 35.
Thursday Wind north 25 to 35 knots.

Ice Forecast

Issued 10:00 AM EDT 27 April 2025 Today Tonight and Monday 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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Weather Conditions

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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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Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 27 April 2025 Today Tonight and Monday

Ice Edge

Ice edge estimated from Newfoundland near 4849N 5349W to 4908N 5135W
to 5410N 5113W to 5629N 5651W to 6129N 5944W 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 26 April 2025

Iceberg Limit

Iceberg limit at 0000 UTC 27 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 27 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 09:30 AM NDT 27 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 27 April 2025 Today Tonight and Monday At 9:30 a.m. NDT today low 985 mb located over the Northwest
Labrador Sea.
By 4:00 p.m. NDT today quasi-stationary low 980 mb located north
of Labrador Sea.

Marine Weather Statement

Issued 9:18 AM NDT 27 April 2025 A deep low pressure system over the Northwest Labrador Sea will move
to lie north of the marine district today, where it will remain
nearly stationary before slowly moving eastward and weakening on
Monday. Over northern waters, strong to gale force southeasterlies
ahead of the low will shift to gale to storm force west to
northwesterlies today as it passes. Winds will gradually diminish on
Monday as the low weakens.

Marine interests are advised that a storm warning is in effect for
Northwest Labrador Sea. Gale warnings are in effect for North
Labrador Coast 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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