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South Labrador Sea

Warnings

Forecast

Marine Forecast

Issued 09:30 AM NDT 17 July 2025

Today Tonight and Friday.

Gale warning in effect.

Wind light increasing to southeast 15 knots late overnight and to southeast 25 Friday morning. Wind increasing to southeast 35 Friday afternoon then backing to east 45 Friday evening.

Rain Friday late in the day. Fog patches forming this evening.

Waves

Issued 06:00 AM NDT 17 July 2025
Today Tonight and Friday. Seas 2 to 3 metres except 1 to 2 over western sections. Seas subsiding to 1 to 2 near noon then building to 3 to 5 Friday afternoon.

Extended Forecast

Issued 04:00 AM NDT 17 July 2025
Saturday Wind east 35 to 45 knots becoming northwest 35 in the morning.
Sunday Wind west 25 knots.
Monday Wind variable 10 to 15 knots increasing to northwest 15 to 20.

Ice Forecast

Issued 10:00 AM EDT 16 July 2025 Today Tonight and Thursday Bergy water. 

[ 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:
buoy Buoy
land station Land Station
Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 16 July 2025 Today Tonight and Thursday

Ice Edge

Ice edge estimated from 6138N 6337W to 6201N 6230W then
northeastward. Sea ice northwest of the ice edge.

Ice Coverage

Bergy water.

 

Iceberg Bulletin

Issued 2:30 PM EDT 16 July 2025

Iceberg Limit

Iceberg limit at 0000 UTC 17 Jul estimated from Newfoundland near
4709N 5256W to 4655N 4455W to 4945N 4250W to 5430N 4920W to 5645N
5340W to 5745N 5405W to 6100N 5310W then eastward.

Iceberg Count

Unknown number of icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

South Labrador Sea

Issued 09:30 AM NDT 17 July 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 17 July 2025 Today Tonight and Friday At 9:30 a.m. NDT today low 999 mb located southeast of the East
Labrador Sea.
By 4:00 p.m. NDT today departing low 1001 mb located south of
Greenland.

At 9:30 a.m. NDT today low 1002 mb located over the Great Lakes.
By 4:00 a.m. NDT Friday low 994 mb located over the St. Lawrence
River.

At 9:30 a.m. NDT today ridge located on a line northwest-southeast
over the South Labrador Sea.
By 4:00 a.m. NDT Friday ridge located on a line northwest-southeast
over Labrador Sea.

Marine Weather Statement

Issued 9:17 AM NDT 17 July 2025 A low pressure system over the Great Lakes will approach the marine
district on Friday. Strong to gale force northeasterlies to
southeasterlies will develop ahead of the low.

Marine interests are advised that gale warnings are in effect for
Lake Melville, South Labrador Coast, Mid Labrador Coast, and South
Labrador Sea.

Atlantic - Newfoundland Area

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Marine Weather for Canada

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