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South Labrador Sea

Warnings

Forecast

Marine Forecast

Issued 04:00 PM NST 05 March 2026

Tonight and Friday.

Storm warning in effect.

Wind northwest 35 to 45 knots except northwest 45 to 55 over eastern sections late this afternoon. Wind becoming northwest 25 to 35 Friday afternoon.

Flurries. Visibility 1 mile or less in flurries.

Freezing spray warning in effect.

Over open water moderate at times severe freezing spray.

Temperatures minus 16 to minus 8 rising to minus 12 to minus 4 overnight.

Waves

Issued 06:00 AM NST 05 March 2026
Today Tonight and Friday. Outside the ice edge seas 3 to 5 metres building to 5 to 7 this morning except 7 to 9 over southeastern sections this evening.

Extended Forecast

Issued 04:00 PM NST 05 March 2026
Saturday Wind northwest 25 to 35 knots becoming south 25 in the afternoon.
Sunday Wind south 25 knots increasing to northwest 35 to 45.
Monday Wind west 25 to 35 knots diminishing to west 15 to 20.

Ice Forecast

Issued 10:00 AM EST 5 March 2026 Today Tonight and Friday Bergy water except 6 tenths first-year ice in the western 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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Ice Conditions

Ice Forecasts

Issued 10:00 AM EST 5 March 2026 Today Tonight and Friday

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 5000N 5330W to 5230N 5030W 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 6 tenths first-year ice in the western section.

 

Iceberg Bulletin

Issued 1:50 PM EST 5 March 2026

Iceberg Limit

Iceberg limit at 0000 UTC 6 Mar estimated from Newfoundland near
4640N 5310W to 4455N 4955W to 4545N 4525W to 4820N 4140W to 5930N
5700W to 6150N 5400W to 5850N 5035W to 5810N 4530W then eastward.

Iceberg Count

Unknown number of icebergs.
Warnings

Warnings (In effect)

Storm warning in effect

South Labrador Sea

Issued 4:00 PM NST 05 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 NST 05 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 NST 5 March 2026 Tonight and Friday At 4:00 p.m. NST today trough located on a line northeast-southwest
over the southern East Labrador Sea.
By 9:30 p.m. NST tonight departing trough located southeast of
the Marine District.

At 4:00 p.m. NST today trough located over Ungava Bay.
By 9:30 a.m. NST Friday departing trough located southeast of the
Marine District.

At 4:00 p.m. NST Friday approaching ridge located over western
Labrador.

Marine Weather Statement

Issued 3:54 PM NST 5 March 2026 A trough of low pressure over the Southern East Labrador Sea will
depart to the southeast of the marine district tonight. A second
trough approaching from the north will sweep southeastward to cross
the East Labrador Sea tonight. Gale to storm force northwesterlies
behind the first trough will give way to strong to gale force
northwesterlies behind the second trough.

Marine interests are advised that a storm warning is in effect for
South Labrador Sea. Gale warnings are in effect for all remaining
waters except Lake Melville and North Labrador Coast - Saglek and
south.

Marine interests are also advised that freezing spray warnings are in
effect for all regions with open water.

Atlantic - Newfoundland Area

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Marine Weather for Canada

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