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South Labrador Sea

Warnings

Forecast

Marine Forecast

Issued 09:30 AM NDT 30 April 2025

Today Tonight and Thursday.

Wind north 25 knots except southwest 25 over southeastern sections late this morning and this afternoon. Wind north 25 tonight and Thursday.

Rain or snow. Visibility 1 mile or less in precipitation.

Temperatures near zero.

Waves

Issued 06:00 AM NDT 30 April 2025
Today Tonight and Thursday. Outside the ice edge seas 3 to 4 metres subsiding to 2 to 3 this morning then building to 3 to 4 this afternoon.

Extended Forecast

Issued 04:00 AM NDT 30 April 2025
Friday Wind north 25 to 35 knots.
Saturday Wind variable 10 to 15 knots increasing to southeast 25.
Sunday Wind southeast 25 knots.

Ice Forecast

Issued 10:00 AM EDT 29 April 2025 Today Tonight and Wednesday 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 29 April 2025 Today Tonight and Wednesday

Ice Edge

Ice edge estimated from Newfoundland near 4837N 5300W to 4849N 5135W
to 5418N 5143W to 5607N 5624W to 6041N 5907W 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 2:50 PM EDT 29 April 2025

Iceberg Limit

Iceberg limit at 0000 UTC 30 Apr estimated from Newfoundland near
4723N 5503W to 4040N 5210W to 4100N 4720W to 4530N 3335W to 4715N
3340W to 5915N 5605W to 6035N 5500W to 5920N 4925W then eastwards.

Western iceberg limit at 0000 UTC 30 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 9:30 AM NDT 30 April 2025 Today Tonight and Thursday At 9:30 a.m. NDT today low 990 mb located north of the East
Labrador Sea.
By 9:30 p.m. NDT tonight departing low 998 mb located northeast
of Labrador Sea.

At 4:00 p.m. NDT today building ridge located on a line
northeast-southwest over Quebec.
By 9:30 a.m. NDT Thursday ridge located on a line
northeast-southwest over the Northwest Labrador Sea.

Marine Weather Statement

Issued 9:15 AM NDT 30 April 2025 A low pressure system north of the East Labrador Sea will move to lie
northeast of the district today. Strong to gale force northwesterlies
will continue over northern waters today in the wake of the low.

Marine interests are advised that a gale warning is in effect for
Northwest Labrador Sea.

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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