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Northwest Labrador Sea

Warnings

Forecast

Marine Forecast

Issued 09:30 PM NDT 20 March 2025

Tonight and Friday.

Wind variable 10 to 15 knots except northeast 20 over northern sections overnight and Friday morning. Wind becoming south 15 to 20 near noon Friday except northeast 25 over northern sections. Wind increasing to northwest 30 Friday evening.

Flurries changing to snow or rain Friday morning. Visibility 1 mile or less in precipitation.

Freezing spray warning in effect.

Over open water freezing spray over northwestern sections late overnight and Friday.

Temperatures minus 8 to zero rising to minus 6 to plus 3 Friday morning.

Waves

Issued 06:00 PM NDT 20 March 2025
Tonight and Friday. Outside the ice edge seas 1 metre or less except 1 to 2 over southeastern sections. Seas building to 1 to 2 near noon Friday.

Extended Forecast

Issued 04:00 PM NDT 20 March 2025
Saturday Wind northwest 25 to 35 knots diminishing to north 15 to 20 in the afternoon.
Sunday Wind northeast 25 knots increasing to northwest 35 to 45.
Monday Wind northwest 35 to 45 knots diminishing to northwest 25 to 35.

Ice Forecast

Issued 10:00 AM EDT 20 March 2025 Today Tonight and Friday 4 tenths first-year ice including a trace of old ice except 7 tenths first-year ice including 1 tenth old ice in the extreme northern section. 

[ Canadian Ice Service ]

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Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 20 March 2025 Today Tonight and Friday

Ice Edge

Ice edge estimated from Newfoundland near 4809N 5253W to 5056N 4729W
to 5516N 5105W to 5716N 5618W to 6024N 5746W to 6052N 5721W then
northeastward. Sea ice north then west of the ice edge.

Ice Coverage

4 tenths first-year ice including a trace of old ice except 7 tenths
first-year ice including 1 tenth old ice in the extreme northern
section.

 

Iceberg Bulletin

Issued 2:31 PM EDT 20 March 2025

Iceberg Limit

Iceberg limit at 0000 UTC 21 Mar estimated from Newfoundland near
4643N 5307W to 4640N 4600W to 5100N 4600W to 5400N 4700W to 5900N
5620W to 6110N 5505W to 5815N 4555W then eastwards.

Western iceberg limit at 0000 UTC 21 Mar estimated from Quebec near
5035N 5930W to Newfoundland near 4920N 5745W.

Iceberg Count

Unknown number of icebergs.
Warnings

Warnings (In effect)

Freezing spray warning in effect

Northwest Labrador Sea

Issued 9:30 PM NDT 20 March 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.

Synopsis

Technical Marine Synopsis

Issued 9:30 PM NDT 20 March 2025 Tonight and Friday At 9:30 p.m. NDT tonight high located east of the Grand Banks.
By 4:00 a.m. NDT Friday departing high located east of the Grand
Banks.

At 9:30 p.m. NDT tonight low 991 mb located over northern Quebec.
By 9:30 p.m. NDT Friday low 988 mb located over northern Labrador
Sea.

Marine Weather Statement

Issued 9:21 PM NDT 20 March 2025 Marine interests are advised that a freezing spray warning is in
effect for Northwest Labrador Sea.

Hudson - Hudson Bay Area

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Marine Weather for Canada

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