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South Labrador Sea

Warnings

Forecast

Marine Forecast

Issued 04:00 AM NDT 22 March 2025

Today Tonight and Sunday.

Gale warning in effect.

Wind northwest 25 knots veering to northeast 25 near noon then increasing to northeast 35 this evening except southeast 25 over southeastern sections overnight and Sunday morning. Wind increasing to northwest 35 to 45 near noon Sunday.

Showers or flurries.

Freezing spray warning in effect.

Over open water freezing spray over northwestern sections Sunday late in the day.

Temperatures minus 3 to plus 3 falling to minus 7 to plus 1 Sunday evening.

Waves

Issued 06:00 AM NDT 22 March 2025
Today Tonight and Sunday. Outside the ice edge seas 1 to 2 metres building to 2 to 3 this afternoon and to 3 to 5 this evening.

Extended Forecast

Issued 04:00 AM NDT 22 March 2025
Monday Wind northwest 35 to 45 knots diminishing to northwest 25 in the afternoon.
Tuesday Wind west 15 to 20 knots.
Wednesday Wind west 15 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 - Newfoundland marine weather areas Banquereau - 44139 East Chedabucto Bay – 44488 West Chedabucto Bay – 44489 Blanc-Sablon Airport Cap Whittle Chevery Natashquan Airport Heath Point Îles de la Madeleine Airport Miscou Island Eskasoni (First Nations) Grand Étang Ingonish Beach North Mountain St.Paul Island J.A. Douglas McCurdy Sydney Airport Charlottetown Airport East Point North Cape Argentia Berry Hill Bonavista Burgeo Cape Race Corner Brook Daniel's Harbour Englee Ferolle Point La Scie Port aux Basques Sagona Island St. Anthony Airport St. John's Int'l Airport St. Lawrence Stephenville Airport Twillingate Winterland Branch Hill Wreckhouse Grates Cove Pool's Island Marticot Island Long Pond Cartwright Airport Mary's Harbour
Legend:
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land station Land Station
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 04:00 AM NDT 22 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.

Freezing spray warning in effect

South Labrador Sea

Issued 04:00 AM NDT 22 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 4:00 AM NDT 22 March 2025 Today Tonight and Sunday At 4:00 a.m. NDT today low 987 mb located near Prince Edward Island.
By 4:00 a.m. NDT Sunday low 978 mb located over western Belle
Isle Bank.

At 4:00 a.m. NDT today low 990 mb located northeast of Labrador Sea.
By 4:00 p.m. NDT today departing low 997 mb located east of
Greenland.

Marine Weather Statement

Issued 3:53 AM NDT 22 March 2025 A low pressure system will approach the marine district from the
south today and will track into the Labrador Sea on Sunday where it
will remain nearly stationary. Strong to gale force northeasterly
winds will develop over most waters ahead of the low today. Strong to
gale force northwesterlies are expected west of the low on Sunday,
with strong to gale force southeasterlies east of it.

Marine interests are advised that gale warnings are in effect for all
waters except Lake Melville and North Labrador Coast.

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

Atlantic - Newfoundland Area

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Marine Weather for Canada

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