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South Labrador Sea

Warnings

Forecast

Marine Forecast

Issued 04:00 AM NDT 10 March 2026

Today Tonight and Wednesday.

Gale warning in effect.

Wind south 25 knots becoming northwest 25 this morning then increasing to northwest 35 this afternoon. Wind increasing to northwest 35 to 45 Wednesday morning.

Flurries. Visibility 1 mile or less in flurries.

Freezing spray warning in effect.

Over open water moderate freezing spray beginning this evening becoming severe Wednesday morning.

Temperatures plus 1 falling to minus 12 to minus 4 this evening.

Waves

Issued 06:00 PM NDT 09 March 2026
Tonight and Tuesday. Outside the ice edge seas 1 to 2 metres building to 2 to 3 late overnight and to 3 to 5 Tuesday evening.

Extended Forecast

Issued 04:00 AM NDT 10 March 2026
Thursday Wind northwest 35 knots diminishing to northwest 25 in the morning and to north 10 to 15 late in the day.
Friday Wind northeast 25 knots increasing to north 35 to 45.
Saturday Wind northwest 35 knots diminishing to west 25.

Ice Forecast

Issued 10:00 AM EDT 9 March 2026 Today Tonight and Tuesday 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 EDT 9 March 2026 Today Tonight and Tuesday

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

 

Iceberg Bulletin

Issued 3:08 PM EDT 9 March 2026

Iceberg Limit

Iceberg limit at 0000 UTC 10 Mar estimated from Newfoundland near
4640N 5310W to 4520N 4930W to 4555N 4410W to 4815N 4300W 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 04:00 AM NDT 10 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 04:00 AM NDT 10 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 AM NDT 10 March 2026 Today Tonight and Wednesday At 4:00 a.m. NDT today deepening low 986 mb located over the
Northwest Labrador Sea.
By 9:30 p.m. NDT tonight low 974 mb located north of the Marine
District.

At 4:00 a.m. NDT today deepening low 989 mb located over central
Labrador.
By 4:00 a.m. NDT Wednesday low 975 mb located east of the Marine
District.

At 4:00 a.m. NDT today departing ridge located from Labrador Sea
to Newfoundland.

Marine Weather Statement

Issued 9:20 PM NDT 9 March 2026 A low pressure system over Ungava Bay will track across the Northwest
Labrador Sea tonight to lie north of the district by Tuesday
afternoon. Strong southerlies ahead of the low will veer to strong to
gale force westerlies to northwesterlies in its wake.

A second area of low pressure will move over Western Labrador tonight
before crossing the southern marine district Tuesday afternoon.
Strong to gale force northwesterlies will develop in the low's wake.

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

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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