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South Labrador Sea

Warnings

Forecast

Marine Forecast

Issued 09:30 PM NST 06 March 2026

Tonight and Saturday.

Gale warning in effect.

Wind northwest 25 to 35 knots becoming northwest 25 late overnight then diminishing to south 15 to 20 Saturday morning. Wind veering to southwest 25 Saturday afternoon except southwest 15 over northwestern sections.

Flurries changing to snow Saturday morning. Visibility 1 mile or less in snow.

Freezing spray warning in effect.

Over open water freezing spray except severe freezing spray over western sections tonight.

Temperatures minus 16 to minus 8 rising to minus 4 Saturday evening.

Waves

Issued 06:00 PM NST 06 March 2026
Tonight and Saturday. Outside the ice edge seas 5 to 7 metres subsiding to 3 to 5 late overnight becoming 2 to 3 Saturday afternoon except 3 to 5 over southeastern sections.

Extended Forecast

Issued 04:00 PM NST 06 March 2026
Sunday Wind southwest 25 knots increasing to northwest 35 to 45 in the afternoon.
Monday Wind west 25 knots diminishing to west 15 to 20.
Tuesday Wind southwest 35 knots.

Ice Forecast

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

[ Canadian Ice Service ]

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Ice Conditions

Ice Forecasts

Issued 10:00 AM EST 6 March 2026 Today Tonight and Saturday

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 5224N 5010W 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.

 

Iceberg Bulletin

Issued 1:46 PM EST 6 March 2026

Iceberg Limit

Iceberg limit at 0000 UTC 7 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)

Gale warning in effect

South Labrador Sea

Issued 9:30 PM NST 06 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 06 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 6 March 2026 Tonight and Saturday At 9:30 p.m. NST tonight trough located southeast of the East
Labrador Sea.
By 9:30 a.m. NST Saturday departing trough located southeast of
the Marine District.

At 4:00 p.m. NST Saturday approaching low 992 mb located over
Ungava Bay.

At 9:30 p.m. NST tonight ridge located on a line north-south
over Labrador.
By 9:30 p.m. NST Saturday ridge located on a line
northwest-southeast over the East Labrador Sea.

Marine Weather Statement

Issued 9:21 PM NST 6 March 2026 A trough of low pressure southeast of the East Labrador Sea will
continue to track southeastward tonight. Meanwhile, a ridge of high
pressure will approach the marine district from the west. Strong to
gale force northwesterlies over most waters between these two
features will gradually diminish as the trough moves away and the
ridge approaches.

Marine interests are advised that gale warnings are in effect for the
Labrador Sea.

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

Arctic - Eastern Arctic Area

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