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South Labrador Sea

Warnings

Forecast

Marine Forecast

Issued 04:00 PM NDT 10 March 2025

Tonight and Tuesday.

Gale warning in effect.

Wind northwest 15 to 20 knots increasing to northwest 25 this evening and to northwest 35 late overnight. Wind northwest 35 Tuesday.

Snow. Visibility as low as 1 mile in snow.

Freezing spray warning in effect.

Over open water freezing spray over western sections late this afternoon tonight and Tuesday.

Temperatures minus 8 to zero.

Waves

Issued 06:00 PM NDT 10 March 2025
Tonight and Tuesday. Outside the ice edge seas 3 to 4 metres building to 4 to 6 late overnight.

Extended Forecast

Issued 04:00 PM NDT 10 March 2025
Wednesday Wind northwest 25 knots diminishing to variable 10 to 15 in the afternoon.
Thursday Wind northwest 35 knots.
Friday Wind southwest 25 knots.

Ice Forecast

Issued 10:00 AM EDT 10 March 2025 Today Tonight and Tuesday 2 tenths first-year ice including a trace of old ice except 7 tenths first-year ice including a trace of old ice in the southwestern section. 

[ Canadian Ice Service ]

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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 Berry Hill Bonavista Burgeo Cape Race Corner Brook Daniel's Harbour Englee Ferolle Point La Scie Port aux Basques 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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land station Land Station
Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 10 March 2025 Today Tonight and Tuesday

Ice Edge

Ice edge estimated from Newfoundland near 4652N 5523W to 4615N 5246W
to 4830N 5045W to 5500N 5030W to 5800N 5730W to 6030N 5830W to 6200N
5630W then eastward. Sea ice west of the ice edge.

Ice Coverage

2 tenths first-year ice including a trace of old ice except 7 tenths
first-year ice including a trace of old ice in the southwestern
section.

 

Iceberg Bulletin

Issued 2:58 PM EDT 10 March 2025

Iceberg Limit

Iceberg limit at 0000 UTC 11 Mar estimated from Newfoundland near
4709N 5258W to 4845N 4730W to 5025N 4505W to 5335N 4745W to 5900N
5620W to 6030N 5525W to 5725N 4600W then eastwards.

Western iceberg limit at 0000 UTC 11 Mar estimated from Quebec near
5035N 5955W to Newfoundland near 4925N 5800W.

Iceberg Count

Unknown number of icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

South Labrador Sea

Issued 4:00 PM NDT 10 March 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 4:00 PM NDT 10 March 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 4:00 PM NDT 10 March 2025 Tonight and Tuesday At 4:00 p.m. NDT today trough located on a line northwest-southeast
over the East Labrador Sea.
By 4:00 a.m. NDT Tuesday quasi-stationary trough located on a line
northwest-southeast over Labrador Sea.

At 4:00 p.m. NDT today ridge located over eastern Quebec.
By 4:00 p.m. NDT Tuesday ridge located on a line north-south over
central Labrador.

Marine Weather Statement

Issued 3:46 PM NDT 10 March 2025 A trough of low pressure over the East Labrador Sea will move slowly
westward to lie between the East Labrador Sea and the South Labrador
Sea tonight then remain stationary. Meanwhile a ridge of high
pressure approaching from the west will move to lie over Labrador on
Tuesday. Gale force southeasterlies are expected east of the trough.
Strong to gale force northwesterlies will develop west of the trough
between these two features tonight.

Marine interests are advised that gale warnings are in effect for
South Labrador Sea and East Labrador Sea.

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

Atlantic - Newfoundland Area

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Marine Weather for Canada

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