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South Labrador Sea


Marine Forecast

Issued 09:30 AM NST 28 February 2021

Today Tonight and Monday.

Wind northwest 25 knots diminishing to light this evening except north 25 over southern sections. Wind becoming variable 15 late overnight then increasing to southeast 25 Monday afternoon.

Flurries ending this evening. Visibility as low as 1 mile in flurries.

Freezing spray warning in effect.

Over open water freezing spray ending this evening.

Temperatures minus 6 to minus 2 falling to minus 12 to minus 4 this evening then rising to zero Monday evening.


Issued 06:00 AM NST 28 February 2021
Today Tonight and Monday. Outside the ice edge seas 2 to 3 metres except 3 to 4 over northern sections today and over southern sections overnight and Monday morning.

Extended Forecast

Issued 04:00 AM NST 28 February 2021
Tuesday Wind southeast 25 knots.
Wednesday Wind east 25 to 35 knots backing to northeast 35 to 45.
Thursday Wind east 35 knots.

Ice Forecast

Issued 10:00 AM EST 28 February 2021 Today Tonight and Monday Bergy water except 5 tenths first-year 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 Banquereau - 44139 East Chedabucto Bay - 44488 West Chedabucto Bay - 44489 Blanc-Sablon Airport Cap Whittle Chevery Natashquan Airport Heath Point Îles de la Madeleine Airport Miscou Island Eskasoni (First Nations) Grand Étang Ingonish Beach North Mountain St.Paul Island J.A. Douglas McCurdy Sydney Airport Charlottetown Airport East Point North Cape Argentia Bonavista Burgeo Cape Race Corner Brook Daniel's Harbour Englee Ferolle Point La Scie Port aux Basques Rocky Harbour Sagona Island St. Anthony Airport St. John's Int'l Airport St. Lawrence Stephenville Airport Twillingate Winterland Branch Hill Wreckhouse Grates Cove Pool's Island Marticot Island Long Pond Cartwright Airport Mary's Harbour
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Ice Conditions

Ice Forecasts

Issued 10:00 AM EST 28 February 2021 Today Tonight and Monday

Ice Edge

Ice edge estimated from Newfoundland near 4839N 5303W to 4912N 5250W
to 4950N 5302W to 5412N 5131W to 5803N 5740W then northeastward. Sea
ice west of the ice edge.

Ice Coverage

Bergy water except 5 tenths first-year ice in the western section.


Iceberg Bulletin

Issued 1:30 PM EST 27 February 2021

Iceberg Limit

Iceberg limit at 0000 UTC 27 Feb estimated from Newfoundland near
4726N 5244W to 4635N 4915W to 4735N 4755W to 5430N 5130W to 6010N
5700W to 6020N 5550W to 5710N 5050W to 5540N 4550W then eastwards.

Western iceberg limit at 0000 UTC 27 Feb estimated from Newfoundland
near 5112N 5606W to the Labrador coast near 5200N 5700W.

Iceberg Count

Unknown number of icebergs.

Warnings (In effect)

Freezing spray warning in effect

South Labrador Sea

Issued 09:30 AM NST 28 February 2021

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.


Technical Marine Synopsis

Issued 9:30 AM NST 28 February 2021 Today Tonight and Monday At 9:30 a.m. NST today trough located over the East Labrador Sea.
By 9:30 p.m. NST tonight departing trough located southeast of

At 9:30 a.m. NST Monday approaching low 985 mb located over
central Quebec.

At 9:30 a.m. NST today ridge located on a line northeast-southwest
over northern Quebec.
By 9:30 a.m. NST Monday ridge located on a line north-south over
Labrador Sea.

Marine Weather Statement

Issued 9:23 AM NST 28 February 2021 A trough of low pressure over the Labrador Sea will track eastward
away from the district today. Gale force northwesterlies over
northern waters in the wake of the trough will gradually diminish
today as the feature departs.

On Monday, gale force southeasterlies will develop over northwestern
waters in the afternoon ahead of a low pressure system approaching
from Central Quebec.

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

Marine interests are also advised that freezing spray warnings are in
effect for the Labrador Sea.

Atlantic - Newfoundland Area

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