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Northwest Labrador Sea

Warnings

Forecast

Marine Forecast

Issued 04:00 AM NDT 10 March 2026

Today Tonight and Wednesday.

Storm warning in effect.

Wind south 25 knots except variable 10 to 15 over western sections. Wind increasing to northwest 35 this morning then backing to west 45 early this evening. Wind increasing to northwest 50 to 60 overnight. Wind northwest 50 to 60 Wednesday.

Flurries. Visibility 1 mile or less in flurries.

Freezing spray warning in effect.

Over open water moderate freezing spray becoming severe this evening.

Temperatures minus 6 to zero falling to minus 15 to minus 7 this afternoon.

Waves

Issued 06:00 AM NDT 10 March 2026
Today Tonight and Wednesday. Outside the ice edge seas 1 to 2 metres building to 2 to 3 near noon and to 3 to 5 this afternoon. Seas building to 5 to 7 Wednesday morning and to 7 to 10 Wednesday evening.

Extended Forecast

Issued 04:00 AM NDT 10 March 2026
Thursday Wind northwest 45 to 55 knots diminishing to northwest 35 in the morning and to northwest 20 in the afternoon.
Friday Wind northwest 25 knots increasing to north 35.
Saturday Wind northwest 25 to 35 knots.

Ice Forecast

Issued 10:00 AM EDT 9 March 2026 Today Tonight and Tuesday 1 tenth first-year ice including a trace of old ice except 7 tenths first-year ice including a trace of old ice in the western section. 

[ Canadian Ice Service ]

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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

1 tenth first-year ice including a trace of old ice except 7 tenths
first-year ice including a trace of old ice in the western 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)

Storm warning in effect

Northwest Labrador Sea

Issued 04:00 AM NDT 10 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

Northwest 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.

Hudson - Hudson Bay Area

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Marine Weather for Canada

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