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South Labrador Sea

Warnings

Forecast

Marine Forecast

Issued 09:30 AM NDT 18 July 2025

Today Tonight and Saturday.

Gale warning in effect.

Wind southeast 25 knots increasing to southeast 35 this afternoon then backing to east 45 this evening. Wind becoming northwest 35 to 45 Saturday morning.

Rain this afternoon tonight and Saturday. Fog patches dissipating Saturday evening.

Waves

Issued 06:00 AM NDT 18 July 2025
Today Tonight and Saturday. Seas 1 to 2 metres building to 3 to 5 this evening except 5 to 7 over southern sections Saturday afternoon and evening.

Extended Forecast

Issued 04:00 AM NDT 18 July 2025
Sunday Wind west 25 knots.
Monday Wind northwest 15 to 20 knots.
Tuesday Wind northwest 20 knots.

Ice Forecast

Issued 10:00 AM EDT 18 July 2025 Today Tonight and Saturday Bergy water. 

[ Canadian Ice Service ]

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Ice Conditions

Ice Forecasts

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

Ice Edge

Ice edge estimated from 6138N 6337W to 6200N 6128W then
northeastward. Sea ice northwest of the ice edge.

Ice Coverage

Bergy water.

 

Iceberg Bulletin

Issued 2:30 PM EDT 17 July 2025

Iceberg Limit

Iceberg limit at 0000 UTC 18 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 18 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 18 July 2025 Today Tonight and Saturday At 9:30 a.m. NDT today ridge located on a line northwest-southeast
over the East Labrador Sea.
By 9:30 p.m. NDT tonight departing ridge located east of Labrador
Sea.

At 9:30 a.m. NDT today deepening low 994 mb located over Labrador.
By 9:30 a.m. NDT Saturday low 982 mb located over the South
Labrador Sea.

Marine Weather Statement

Issued 9:12 AM NDT 18 July 2025 A low pressure system over Labrador will move to lie over the
Labrador Sea by Saturday morning. Strong to gale force
northeasterlies to southeasterlies ahead of the low will shift to
strong to gale force northwesterlies to southwesterlies behind it.

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

Arctic - Eastern Arctic Area

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Marine Weather for Canada

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