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Northwest Labrador Sea

Warnings

Forecast

Marine Forecast

Issued 09:30 PM NDT 02 April 2025

Tonight and Thursday.

Storm warning in effect.

Wind north 40 to 50 knots becoming northwest 35 to 45 Thursday morning then diminishing to northwest 25 to 35 Thursday evening.

Snow. Visibility 1 mile or less in snow.

Freezing spray warning in effect.

Over open water freezing spray over western sections late this evening. Freezing spray overnight and Thursday except severe freezing spray over western sections overnight and Thursday morning.

Temperatures minus 8 to zero falling to minus 12 to minus 4 Thursday morning.

Waves

Issued 06:00 PM NDT 02 April 2025
Tonight and Thursday. Outside the ice edge seas 7 to 9 metres subsiding to 5 to 7 near noon Thursday and to 3 to 5 Thursday evening.

Extended Forecast

Issued 04:00 PM NDT 02 April 2025
Friday Wind northwest 25 knots diminishing to west 15 in the afternoon.
Saturday Wind northwest 15 to 20 knots diminishing to light.
Sunday Wind southeast 15 knots increasing to southeast 25.

Ice Forecast

Issued 10:00 AM EDT 2 April 2025 Today Tonight and Thursday Ice pressure warning in effect. Special ice warning in effect. 3 tenths first-year ice including a trace of old ice except 9 plus tenths first-year ice including 1 tenth old ice in the northwestern section. Strong ice pressure in the pack ice in the western section developing this afternoon and easing Thursday evening. Unusual presence of old ice in the northwestern section today and continuing Thursday. 

[ Canadian Ice Service ]

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Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 2 April 2025 Today Tonight and Thursday

Ice Edge

Ice edge estimated from Newfoundland near 4809N 5253W to 5012N 4758W
to 5441N 5101W to 5734N 5655W to 6109N 5828W to 6149N 5719W then
northeastward. Sea ice north then west of the ice edge.

Ice Coverage

Ice pressure warning in effect.
Special ice warning in effect.

3 tenths first-year ice including a trace of old ice except 9 plus
tenths first-year ice including 1 tenth old ice in the northwestern
section. Strong ice pressure in the pack ice in the western section
developing this afternoon and easing Thursday evening. Unusual
presence of old ice in the northwestern section today and continuing
Thursday.

 

Iceberg Bulletin

Issued 3:04 PM EDT 2 April 2025

Iceberg Limit

Iceberg limit at 0000 UTC 3 Apr estimated from Newfoundland near
4658N 5404W to 4410N 5055W to 4410N 4620W to 4655N 4040W to 5230N
4450W to 5610N 4930W to 5900N 5620W to 6135N 5510W to 5900N 4735W
then eastwards.

Western iceberg limit at 0000 UTC 3 Apr estimated from Quebec near
5019N 6230W to 4855N 6100W to Newfoundland near 4740N 5916W.

Iceberg Count

Unknown number of icebergs.
Warnings

Warnings (In effect)

Storm warning in effect

Northwest Labrador Sea

Issued 9:30 PM NDT 02 April 2025

'Storm' force winds of 48 to 63 knots are occurring or expected to occur in this marine area. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.

Freezing spray warning in effect

Northwest Labrador Sea

Issued 9:30 PM NDT 02 April 2025

Moderate or severe freezing spray is occurring or expected to occur in this marine area. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.

Special ice warning in effect

Northwest Labrador Sea

Issued 10:00 AM EDT 02 April 2025

Navigators in this marine area should be on the lookout for hazardous ice conditions and take necessary safety precautions. Please refer to the latest ice forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio stations.

Ice pressure warning in effect

Northwest Labrador Sea

Issued 10:00 AM EDT 02 April 2025

Navigators in this marine area should be on the lookout for hazardous ice conditions and take necessary safety precautions. Please refer to the latest ice forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio stations.

Synopsis

Technical Marine Synopsis

Issued 9:30 PM NDT 2 April 2025 Tonight and Thursday At 9:30 p.m. NDT tonight intensifying low 973 mb located over the
South Labrador Sea.
By 9:30 p.m. NDT Thursday low 991 mb located northeast of the East
Labrador Sea.

At 4:00 p.m. NDT Thursday building ridge located on a line
northwest-southeast over Labrador Coast.

Marine Weather Statement

Issued 9:18 PM NDT 2 April 2025 An intense low pressure system over the South Labrador Sea will
remain nearly stationary tonight, then gradually track northwards on
Thursday. Storm to hurricane force north to northwesterlies this
evening will diminish to strong to gale force northwesterlies
overnight and on Thursday.

Marine interests are advised that hurricane force wind warnings are
in effect for South Labrador Coast, Mid Labrador Coast, and South
Labrador Sea. Storm warnings are in effect for Northwest Labrador Sea
and East Labrador Sea. A gale warning is in effect for North Labrador
Coast.

Marine interests are also advised that freezing spray warnings are in
effect for the Labrador Sea.

Hudson - Hudson Bay Area

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Marine Weather for Canada

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