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South Labrador Sea

Warnings

Forecast

Marine Forecast

Issued 09:30 PM NDT 21 March 2025

Tonight and Saturday.

Gale warning in effect.

Wind south 20 knots except northwest 25 over northwestern sections. Wind becoming northwest 25 late overnight then veering to northeast 25 near noon Saturday. Wind increasing to northeast 35 Saturday evening.

Showers or flurries.

Temperatures minus 3 to plus 3.

Waves

Issued 06:00 PM NDT 21 March 2025
Tonight and Saturday. Outside the ice edge seas 1 to 2 metres except 2 to 3 over southeastern sections this evening. Seas building to 2 to 3 near noon Saturday and to 3 to 4 Saturday evening.

Extended Forecast

Issued 04:00 PM NDT 21 March 2025
Sunday Wind northeast 25 to 35 knots backing to northwest 35 to 45 in the afternoon.
Monday Wind northwest 35 to 45 knots.
Tuesday Wind west 15 to 20 knots.

Ice Forecast

Issued 10:00 AM EDT 21 March 2025 Today Tonight and Saturday 2 tenths first-year ice including a trace of old ice except 7 tenths first-year ice including a trace of old ice in the western section. 

[ Canadian Ice Service ]

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Map of Atlantic - Labrador marine weather areas Kangiqsualujjuaq Airport Cape Kakkiviak Cape Kiglapait Cartwright Airport CFB Goose Bay Hopedale Mary's Harbour Nain Airport Makkovik Airport Saglek Tukialik Bay
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Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 21 March 2025 Today Tonight and Saturday

Ice Edge

Ice edge estimated from Newfoundland near 4809N 5253W to 5140N 4803W
to 5523N 5058W to 5730N 5624W to 6024N 5746W to 6052N 5721W then
northeastward. Sea ice north then west of the ice edge.

Ice Coverage

2 tenths first-year ice including a trace of old ice except 7 tenths
first-year ice including a trace of old ice in the western section.

 

Iceberg Bulletin

Issued 3:41 PM EDT 21 March 2025

Iceberg Limit

Iceberg limit at 0000 UTC 22 Mar estimated from Newfoundland near
4643N 5307W to 4605N 4950W to 4630N 4450W to 5100N 4600W to 5400N
4700W to 5900N 5620W to 6110N 5505W to 5820N 4555W then eastwards.

Western iceberg limit at 0000 UTC 22 Mar estimated from Quebec near
5035N 5940W to Newfoundland near 4920N 5745W.

Iceberg Count

Unknown number of icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

South Labrador Sea

Issued 9:30 PM NDT 21 March 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 PM NDT 21 March 2025 Tonight and Saturday At 4:00 a.m. NDT Saturday low 988 mb located over Nova Scotia.
By 9:30 p.m. NDT Saturday low 981 mb located east of the Great
Northern Peninsula.

At 9:30 p.m. NDT tonight low 990 mb located over northern Labrador
Sea.
By 4:00 p.m. NDT Saturday departing low 997 mb located east of
Greenland.

Marine Weather Statement

Issued 9:19 PM NDT 21 March 2025 A low pressure system will approach the marine district from the
south on Saturday. Strong to gale force northeasterly winds will
develop over most waters ahead of the low.

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

Marine interests are also advised that freezing spray warnings are in
effect for Northwest Labrador Sea and East Labrador Sea.

Atlantic - Labrador Area

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Marine Weather for Canada

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