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South Labrador Sea

Warnings

Forecast

Marine Forecast

Issued 04:00 PM NDT 11 March 2026

Tonight and Thursday.

Storm warning in effect.

Wind northwest 40 to 50 knots diminishing to northwest 35 late overnight and to northwest 25 Thursday morning. Wind diminishing to variable 10 to 15 Thursday afternoon then becoming north 15 Thursday evening.

Flurries. Visibility as low as 1 mile in flurries.

Freezing spray warning in effect.

Over open water freezing spray late this afternoon tonight and Thursday except severe freezing spray over western sections late this afternoon and tonight.

Temperatures minus 14 to minus 6.

Waves

Issued 06:00 PM NDT 11 March 2026
Tonight and Thursday. Outside the ice edge seas 5 to 7 metres building to 7 to 10 this evening then subsiding to 5 to 7 early Thursday morning. Seas subsiding to 3 to 5 near noon Thursday and to 2 to 3 Thursday evening.

Extended Forecast

Issued 04:00 PM NDT 11 March 2026
Friday Wind north 25 knots increasing to north 35 to 45 in the afternoon.
Saturday Wind northwest 40 to 50 knots diminishing to west 20.
Sunday Wind variable 10 to 15 knots increasing to northwest 25.

Ice Forecast

Issued 10:00 AM EDT 11 March 2026 Today Tonight and Thursday Bergy water except 5 tenths first-year ice in the western section. 7 tenths first-year ice including a trace of old ice in the northwestern section. 

[ Canadian Ice Service ]

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Map of Atlantic - Newfoundland marine weather areas Englee Wreckhouse Winterland Branch Hill Stephenville Airport Eskasoni (First Nations) Grand Étang St. Lawrence St. John's Int'l Airport St. Anthony Airport Ingonish Beach Sagona Island Port aux Basques La Scie North Mountain Ferolle Point Twillingate Daniel's Harbour St.Paul Island Corner Brook Cape Race J.A. Douglas McCurdy Sydney Airport Burgeo West Chedabucto Bay – 44489 Bonavista Berry Hill Charlottetown Airport Argentia East Point North Cape Long Pond Banquereau - 44139 Îles de la Madeleine Airport Miscou Island Cartwright Airport Cap Whittle Blanc-Sablon Airport Natashquan Airport East Chedabucto Bay – 44488 Marticot Island Pool's Island Mary's Harbour Grates Cove Chevery
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land station Land Station
Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 11 March 2026 Today Tonight and Thursday

Ice Edge

First ice edge estimated from 4640N 5530W to 4628N 5339W to
Newfoundland near 4638N 5314W. Sea ice north of the ice edge.

Second ice edge estimated from Newfoundland near 4746N 5243W to
4845N 5230W to 5001N 5302W to 5141N 4911W to 5500N 5130W to 5700N
5600W to 6000N 5815W to 6159N 5721W then northeastward. Sea ice west
of the ice edge.

Ice Coverage

Bergy water except 5 tenths first-year ice in the western section. 7
tenths first-year ice including a trace of old ice in the
northwestern section.

 

Iceberg Bulletin

Issued 2:59 PM EDT 11 March 2026

Iceberg Limit

Iceberg limit at 0000 UTC 12 Mar estimated from Newfoundland near
4640N 5310W to 4520N 4930W to 4555N 4410W to 4815N 4300W to 5930N
5700W to 6120N 5400W to 5825N 4900W then eastward.

Iceberg Count

Unknown number of icebergs.
Warnings

Warnings (In effect)

Storm warning in effect

South Labrador Sea

Issued 4:00 PM NDT 11 March 2026

'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

South Labrador Sea

Issued 4:00 PM NDT 11 March 2026

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 PM NDT 11 March 2026 Tonight and Thursday At 4:00 p.m. NDT today low 978 mb located over northern Labrador
Sea.
By 4:00 p.m. NDT Thursday departing low 994 mb located southeast
of Greenland.

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

Marine Weather Statement

Issued 3:53 PM NDT 11 March 2026 An intense low pressure system over the Northern Labrador Sea will
track southeastward across the marine district to lie southeast of
Greenland by Thursday afternoon. Gale to storm force westerly to
northwesterly winds south of and on the back side of the low will
gradually ease overnight through Thursday as a ridge of high pressure
builds in from the west.

Marine interests are advised that storm warnings are in effect for
North Labrador Coast - north of Saglek and the Labrador Sea.
Gale warnings are in effect for all remaining waters except Lake
Melville.

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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