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South Labrador Sea

Warnings

Forecast

Marine Forecast

Issued 09:30 PM NST 07 March 2026

Tonight and Sunday.

Gale warning in effect.

Wind southwest 25 knots except southwest 35 over southeastern sections. Wind diminishing to southwest 15 to 20 near midnight except variable 10 to 15 over northwestern sections. Wind increasing to northwest 30 Sunday morning.

Snow changing to flurries Sunday morning. Visibility 1 mile or less in snow.

Freezing spray warning in effect.

Over open water freezing spray beginning Sunday morning.

Temperatures minus 8 to zero falling to minus 13 to minus 5 Sunday evening.

Waves

Issued 06:00 PM NST 07 March 2026
Tonight and Sunday. Outside the ice edge seas 2 to 3 metres except 3 to 5 over southeastern sections tonight. Seas building to 3 to 4 Sunday afternoon.

Extended Forecast

Issued 04:00 PM NST 07 March 2026
Monday Wind west 25 knots diminishing to west 10 to 15 in the morning then backing to south 15 to 20 late in the day.
Tuesday Wind south 25 knots increasing to northwest 35.
Wednesday Wind northwest 35 to 45 knots.

Ice Forecast

Issued 10:00 AM EST 7 March 2026 Today Tonight and Sunday Bergy water except 5 tenths first-year ice in the western section. 9 tenths first-year ice including a trace of old ice in the extreme 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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Ice Conditions

Ice Forecasts

Issued 10:00 AM EST 7 March 2026 Today Tonight and Sunday

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 4949W 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. 9
tenths first-year ice including a trace of old ice in the extreme
northwestern section.

 

Iceberg Bulletin

Issued 1:30 PM EST 7 March 2026

Iceberg Limit

Iceberg limit at 0000 UTC 8 Mar estimated from Newfoundland near
4640N 5310W to 4510N 4930W to 4540N 4345W to 4820N 4140W to 5210N
4630W to 5930N 5700W to 6150N 5400W to 5850N 5035W to 5810N 4530W
then eastward.

Iceberg Count

Unknown number of icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

South Labrador Sea

Issued 9:30 PM NST 07 March 2026

'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 9:30 PM NST 07 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 9:30 PM NST 7 March 2026 Tonight and Sunday At 9:30 p.m. NST tonight intensifying trough located over the
Torngat Mountains.
By 9:30 p.m. NDT Sunday low 977 mb located over the East Labrador
Sea.

At 9:30 p.m. NST tonight ridge located on a line northwest-southeast
over the East Labrador Sea.
By 4:00 a.m. NDT Sunday departing ridge located east of the East
Labrador Sea.

Marine Weather Statement

Issued 9:25 PM NST 7 March 2026 An intensifying trough of low pressure over the Torngat Mountains
will track across the Northwest Labrador Sea tonight, where it will
develop into a deepening low which will drift slowly eastward on
Sunday. Strong to gale force southwesterlies ahead of the trough will
diminish tonight with strong to gale force northwesterlies developing
behind the eventual low.

Marine interests are advised that gale warnings are in effect for
North Labrador Coast - north of Saglek, South Labrador Sea, and
Northwest Labrador Sea.

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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