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South Labrador Sea

Warnings

Forecast

Marine Forecast

Issued 09:30 AM NDT 04 May 2025

Today Tonight and Monday.

Gale warning in effect.

Wind west 20 knots except variable 10 to 15 over northern sections. Wind becoming northwest 15 to 20 this afternoon then increasing to northwest 25 late overnight. Wind increasing to northwest 35 near noon Monday.

Periods of snow ending this afternoon. Visibility 1 mile or less in snow.

Waves

Issued 06:00 AM NDT 04 May 2025
Today Tonight and Monday. Outside the ice edge seas 1 to 2 metres building to 2 to 3 Monday morning and to 3 to 5 Monday afternoon.

Extended Forecast

Issued 04:00 AM NDT 04 May 2025
Tuesday Wind northwest 25 knots diminishing to variable 10 to 15 late in the day.
Wednesday Wind variable 15 knots increasing to northwest 25.
Thursday Wind northwest 15 to 20 knots diminishing to variable 10 to 15.

Ice Forecast

Issued 10:00 AM EDT 3 May 2025 Today Tonight and Sunday Bergy water except 3 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 3 May 2025 Today Tonight and Sunday

Ice Edge

Ice edge estimated from Newfoundland near 4832N 5301W to 4833N 5105W
to 5022N 5321W to 5510N 5402W to 5711N 5741W to 6023N 5911W to 6200N
5830W then northeastward. Sea ice north then west of the ice edge.

Ice Coverage

Bergy water except 3 tenths first-year ice including a trace of old
ice in the extreme western section.

 

Iceberg Bulletin

Issued 2:30 PM EDT 3 May 2025

Iceberg Limit

Iceberg limit at 0000 UTC 4 May estimated from Newfoundland near
4723N 5503W to 4040N 5210W to 4100N 4720W to 4530N 3335W to 4710N
3245W to 5915N 5605W to 5950N 5415W to 5830N 4530W then eastwards.

Western iceberg limit at 0000 UTC 4 May estimated from Quebec near
5020N 6115W to Newfoundland near 4745N 5910W.

Iceberg Count

Unknown number of icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

South Labrador Sea

Issued 09:30 AM NDT 04 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 4 May 2025 Today Tonight and Monday At 9:30 a.m. NDT today quasi-stationary low 997 mb located over
the East Labrador Sea.

At 4:00 p.m. NDT today ridge located on a line north-south over
Hudson Bay.
By 4:00 p.m. NDT Monday ridge located on a line north-south over
western Labrador.

Marine Weather Statement

Issued 3:49 AM NDT 4 May 2025 A low pressure system will remain quasi-stationary over the East
Labrador Sea throughout the forecast period. Meanwhile, a ridge of
high pressure will approach from the west to lie over Western
Labrador Monday afternoon. Strong to gale force northwesterlies will
develop between these two features on Monday.

Marine interests are advised that gale warnings are in effect for the
Labrador Sea.

Atlantic - Newfoundland Area

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Marine Weather for Canada

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