South Labrador Sea - western half

Forecast

Marine Forecast

Issued 09:30 PM NDT 22 March 2017

Tonight and Thursday

Gale warning in effect.

Wind west 35 knots diminishing to west 25 near midnight and to variable 10 to 15 Thursday morning. Wind increasing to north 20 Thursday afternoon and to north 30 Thursday evening.

Flurries. Visibility as low as 1 mile in flurries.

Freezing spray warning in effect.

Over open water occasional freezing spray.

Temperatures minus 10 to minus 2.

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 to 35 knots becoming southwest 25 in the afternoon.
Saturday Wind south 25 knots veering to west 25.
Sunday Wind variable 20 knots.

Ice Forecast

Issued 10:00 AM EDT 22 March 2017 Today Tonight and Thursday Bergy water except 9 tenths of first-year ice including a trace of old ice in the western and southeastern sections. 

[ Canadian Ice Service ]

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Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 22 March 2017 Today Tonight and Thursday

Ice Edge

Ice edge estimated from Newfoundland near 4805N 5255W to 4715N 4735W
to 4745N 4615W to 5135N 4925W to 5150N 5140W to 5500N 5240W to 5650N
5650W to 5800N 5700W then northward. Sea ice north and west of the
ice edge.

Ice Coverage

Bergy water except 9 tenths of first-year ice including a trace of
old ice in the western and southeastern sections.

 

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

More than 100 icebergs.
Warnings

Warnings (In effect)

Gale warning in effect

South 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

South 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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