Northwest Labrador Sea - western half

Forecast

Marine Forecast

Issued 09:30 PM NDT 22 March 2017

Tonight and Thursday

Gale warning in effect.

Wind northwest 35 knots diminishing to northwest 25 near midnight and to northwest 15 to 20 Thursday morning. Wind increasing to northwest 25 Thursday evening.

Flurries. Visibility as low as 1 mile in flurries.

Freezing spray warning in effect.

Over open water freezing spray.

Temperatures minus 14 to minus 6.

Waves

Issued 06:00 PM NDT 22 March 2017
Tonight and Thursday Outside the ice edge seas 3 to 5 metres subsiding to 2 to 3 Thursday morning.

Extended Forecast

Issued 04:00 PM NDT 22 March 2017
Friday Wind northwest 25 knots becoming south 25 in the afternoon.
Saturday Wind south 25 knots diminishing to variable 15.
Sunday Wind north 25 to 35 knots.

Ice Forecast

Issued 11:00 AM EDT 22 March 2017 Today Tonight and Thursday 7 tenths of first-year ice including a trace of old ice except 9 plus tenths of first-year ice including 1 tenth of old ice in the northwestern section. 

[ Canadian Ice Service ]

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Ice Conditions

Ice Forecasts

Issued 11:00 AM EDT 22 March 2017 Today Tonight and Thursday

Ice Edge

Ice edge estimated from 5800N 5700W to 6030N 5830W to 6130N 5715W
then northeastward. Sea ice west of the ice edge.

Ice Coverage

7 tenths of first-year ice including a trace of old ice except 9
plus tenths of first-year ice including 1 tenth of old ice in the
northwestern section.

 

Iceberg Bulletin

Issued 11:00 AM EDT 22 March 2017

Iceberg Limit

Iceberg limit at 0000 UTC 22 Mar estimated from Newfoundland near
4700N 5305W to 4515N 4700W to 4715N 4200W to 4900N 4215W to 5200N
4545W to 5300N 5000W to 5600N 5200W then eastwards.

Western iceberg limit at 0000 UTC 22 Mar estimated from Newfoundland
near 4925N 5802W to Quebec near 5032N 5954W.

Iceberg Count

Unknown number of icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

Northwest Labrador Sea

Issued 9:30 PM NDT 22 March 2017

'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

Northwest Labrador Sea

Issued 9:30 PM NDT 22 March 2017

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 NDT 22 March 2017 Tonight and Thursday At 9:30 p.m. NDT tonight weakening low 972 mb located north of
the East Labrador Sea.
By 9:30 a.m. NDT Thursday departing low 987 mb located over
western Greenland.

At 9:30 p.m. NDT tonight low 1000 mb located over New Brunswick.
By 9:30 p.m. NDT Thursday low 985 mb located over eastern Belle
Isle Bank.

Marine Weather Statement

Issued 9:22 PM NDT 22 March 2017 A low pressure system north of the East Labrador Sea will weaken as
it moves north of the district overnight. Strong to gale force
northwesterlies in the wake of the low will diminish by early
Thursday morning as it departs.

A second low will approach the district from the south on Thursday.
Strong to gale force northwesterlies will develop over southern
waters ahead of the low late on Thursday.

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

Marine interests are also advised that freezing spray warnings are in
effect for the Labrador Sea.

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