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South Labrador Sea

Warnings

Forecast

Marine Forecast

Issued 09:30 AM NDT 06 May 2025

Today Tonight and Wednesday.

Gale warning in effect.

Wind southwest 25 knots increasing to northwest 35 near noon then diminishing to northwest 25 early this evening. Wind diminishing to variable 10 to 15 near midnight then increasing to variable 15 to 20 Wednesday morning. Wind increasing to northwest 25 Wednesday afternoon.

Flurries or showers ending this afternoon. Periods of rain or snow and fog patches overnight and Wednesday.

Waves

Issued 06:00 AM NDT 06 May 2025
Today Tonight and Wednesday. Outside the ice edge seas 3 to 4 metres subsiding to 2 to 3 near noon and to 1 to 2 late overnight. Seas building to 2 to 3 Wednesday afternoon.

Extended Forecast

Issued 04:00 AM NDT 06 May 2025
Thursday Wind northwest 15 to 20 knots diminishing to variable 10 to 15 in the afternoon.
Friday Wind southwest 25 knots.
Saturday Wind southwest 25 knots.

Ice Forecast

Issued 10:00 AM EDT 6 May 2025 Today Tonight and Wednesday Bergy water except 5 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 6 May 2025 Today Tonight and Wednesday

Ice Edge

Ice edge estimated from Newfoundland near 4924N 5347W to 5330N 5309W
to 5644N 5645W to 6023N 5911W to 6200N 5830W then northeastward. Sea
ice north then west of the ice edge.

Ice Coverage

Bergy water except 5 tenths first-year ice including a trace of old
ice in the extreme western section.

 

Iceberg Bulletin

Issued 2:40 PM EDT 5 May 2025

Iceberg Limit

Iceberg limit at 0000 UTC 6 May estimated from Newfoundland near
4723N 5503W to 4110N 5115W to 4135N 4725W to 4520N 3255W to 4710N
3245W to 5915N 5605W to 5950N 5415W to 5830N 4530W then eastwards.

Western iceberg limit at 0000 UTC 6 May estimated from Quebec near
5015N 6122W to Newfoundland near 4739N 5915W.

Iceberg Count

Unknown number of icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

South Labrador Sea

Issued 09:30 AM NDT 06 May 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.

Synopsis

Technical Marine Synopsis

Issued 9:30 AM NDT 6 May 2025 Today Tonight and Wednesday At 9:30 a.m. NDT today low 1000 mb located over the Northwest
Labrador Sea.
By 9:30 p.m. NDT tonight dissipating low 1005 mb located southeast
of the East Labrador Sea.

At 9:30 a.m. NDT today departing ridge located southeast of
Labrador Sea.

At 4:00 p.m. NDT today low 1009 mb located east of James Bay.
By 4:00 p.m. NDT Wednesday low 1005 mb located over southeastern
Labrador Sea.

Marine Weather Statement

Issued 9:28 AM NDT 6 May 2025 A low pressure system over the Northwest Labrador Sea will track
southeastwards today. Strong to gale force northwesterlies will
diminish throughout the day as the low dissipates.

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

Marine interests are also advised that a freezing spray warning is in
effect for Northwest Labrador Sea.

Atlantic - Newfoundland Area

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Marine Weather for Canada

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