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South Labrador Sea

Warnings

Forecast

Marine Forecast

Issued 04:00 PM NDT 18 April 2025

Tonight and Saturday.

Wind variable 10 to 15 knots except south 15 to 20 over southeastern sections late this afternoon and this evening and west 15 to 20 over southern sections overnight and Saturday morning. Wind becoming light Saturday evening.

Flurries or showers. Fog patches dissipating late overnight.

Waves

Issued 06:00 PM NDT 18 April 2025
Tonight and Saturday. Outside the ice edge seas 2 to 3 metres subsiding to 1 to 2 late overnight.

Extended Forecast

Issued 04:00 PM NDT 18 April 2025
Sunday Wind variable 10 to 15 knots increasing to northeast 15 to 20 late in the day.
Monday Wind northeast 15 to 20 knots increasing to northeast 35.
Tuesday Wind north 35 to 45 knots.

Ice Forecast

Issued 10:00 AM EDT 18 April 2025 Today Tonight and Saturday 1 tenth first-year ice including a trace of old ice except 7 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
Legend:
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land station Land Station
Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 18 April 2025 Today Tonight and Saturday

Ice Edge

Ice edge estimated from Newfoundland near 4915N 5328W to 4917N 5155W
to 5105N 4809W to 5526N 5139W to 5701N 5617W to 6119N 6022W to 6200N
5851W 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 7 tenths
first-year ice including a trace of old ice in the extreme western
section.

 

Iceberg Bulletin

Issued 4:39 PM EDT 18 April 2025

Iceberg Limit

Iceberg limit at 0000 UTC 19 Apr estimated from Newfoundland near
4731N 5444W to 4125N 5145W to 4210N 4800W to 4645N 3750W to 5350N
4430W to 5915N 5605W to 6035N 5500W to 5900N 4930W then eastwards.

Western iceberg limit at 0000 UTC 19 Apr estimated from Quebec near
5020N 6115W to Newfoundland near 4805N 5845W.

Iceberg Count

Unknown number of icebergs.
Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 4:00 PM NDT 18 April 2025 Tonight and Saturday At 4:00 p.m. NDT today low 1000 mb located off Labrador Coast.
By 4:00 p.m. NDT Saturday low 1004 mb located over the southern
Northwest Labrador Sea.

At 4:00 p.m. NDT today ridge located over central Quebec.
By 4:00 p.m. NDT Saturday ridge located over southeastern Labrador.

Marine Weather Statement

Issued 3:46 PM NDT 18 April 2025 A low pressure system off the Labrador coast will slowly move to lie
over the Northwest Labrador Sea throughout the forecast period.
Strong to gale force southeasterly winds over the East Labrador Sea
will diminish this evening.

Marine interests are advised that a gale warning is in effect for
East Labrador Sea - northern half.

Atlantic - Newfoundland Area

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Marine Weather for Canada

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