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South Labrador Sea

Warnings

Forecast

Marine Forecast

Issued 09:30 AM NDT 23 March 2025

Today Tonight and Monday.

Gale warning in effect.

Wind north 35 knots except south 20 over southeastern sections. Wind increasing to northwest 35 to 45 this afternoon then becoming northwest 35 Monday morning. Wind diminishing to west 25 Monday afternoon.

Snow or rain changing to flurries this evening. Visibility 1 mile or less in precipitation.

Freezing spray warning in effect.

Over open water freezing spray over northwestern sections tonight. Freezing spray Monday.

Temperatures minus 3 to plus 3 falling to minus 10 to minus 4 Monday morning.

Waves

Issued 06:00 AM NDT 23 March 2025
Today Tonight and Monday. Outside the ice edge seas 3 to 5 metres building to 5 to 7 this evening then subsiding to 3 to 5 Monday afternoon.

Extended Forecast

Issued 04:00 AM NDT 23 March 2025
Tuesday Wind west 25 knots backing to southwest 15 to 20 in the morning.
Wednesday Wind west 15 to 20 knots.
Thursday Wind southwest 15 to 20 knots.

Ice Forecast

Issued 10:00 AM EDT 22 March 2025 Today Tonight and Sunday 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 22 March 2025 Today Tonight and Sunday

Ice Edge

Ice edge estimated from Newfoundland near 4809N 5253W to 4913N 5046W
to 5131N 4753W to 5533N 5037W to 5730N 5624W to 6021N 5812W to 6143N
5719W 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 3:51 PM EDT 22 March 2025

Iceberg Limit

Iceberg limit at 0000 UTC 23 Mar estimated from Newfoundland near
4643N 5307W to 4625N 5225W to 4600N 4745W to 4730N 4445W to 5100N
4550W to 5510N 4825W to 5900N 5620W to 6110N 5505W to 5820N 4555W
then eastwards.

Western iceberg limit at 0000 UTC 23 Mar estimated from Quebec near
5020N 6025W to Newfoundland near 4920N 5745W.

Iceberg Count

Unknown number of icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

South Labrador Sea

Issued 09:30 AM NDT 23 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 09:30 AM NDT 23 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 AM NDT 23 March 2025 Today Tonight and Monday At 9:30 a.m. NDT today low 975 mb located over the South Labrador
Sea.
By 9:30 a.m. NDT Monday low 982 mb located over northern Labrador
Sea.

Marine Weather Statement

Issued 9:15 AM NDT 23 March 2025 A low pressure system over the South Labrador Sea will move to lie
over the Northern Labrador Sea by Monday morning, where it will
remain nearly stationary into Tuesday. Strong to gale force north to
northeasterly winds are expected the north of the low, with gale
force northwesterlies to its west and gale force southeasterlies to
its east.

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

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

Atlantic - Newfoundland Area

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Marine Weather for Canada

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