Northwest Labrador Sea - eastern half

Forecast

Marine Forecast

Issued 09:30 AM NDT 29 April 2017

Today Tonight and Sunday

Storm warning in effect.

Wind southeast 30 knots diminishing to southeast 20 near noon then increasing to northwest 30 this evening. Wind increasing to northwest 45 to 55 after midnight then diminishing to northwest 35 to 45 Sunday evening.

Snow. Visibility 1 mile or less in snow.

Freezing spray warning in effect.

Outside the ice edge freezing spray ending near noon. Freezing spray beginning this evening.

Temperatures minus 5 to plus 1 falling to minus 10 to minus 5 overnight.

Waves

Issued 06:00 AM NDT 29 April 2017

Northwest Labrador Sea - northwestern half

Today Tonight and Sunday Mainly ice covered.

Northwest Labrador Sea - southeastern half

Today Tonight and Sunday Outside the ice edge seas 1 to 2 metres building to 2 to 3 this morning and to 3 to 5 late overnight. Seas building to 6 to 8 Sunday afternoon.

Extended Forecast

Issued 04:00 AM NDT 29 April 2017
Monday Wind northwest 35 to 45 knots diminishing to northwest 25 in the afternoon.
Tuesday Wind northwest 25 knots diminishing to variable 10 to 15.
Wednesday Wind southeast 15 to 20 knots diminishing to variable 10 to 15.

Ice Forecast

Issued 11:00 AM EDT 29 April 2017 Today Tonight and Sunday Bergy water except 8 tenths of first-year ice including a trace of old ice in the northern section. 

[ Canadian Ice Service ]

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Ice Conditions

Ice Forecasts

Issued 11:00 AM EDT 29 April 2017 Today Tonight and Sunday

Ice Edge

Ice edge estimated from 5800N 5630W to 5900N 5630W to 6200N 5430W
then northeastward. Sea ice west of the ice edge.

Ice Coverage

Bergy water except 8 tenths of first-year ice including a trace of
old ice in the northern section.

 

Iceberg Bulletin

Issued 11:00 AM EDT 29 April 2017

Iceberg Limit

Iceberg limit at 0000 UTC 29 Apr estimated from Newfoundland near
4740N 5719W to 4400N 5700W to 4245N 5500W to 4230N 4900W to 4600N
4430W to 5000N 4600W to 5300N 4900W to 5600N 4900W then eastwards.

Western iceberg limit at 0000 UTC 29 Apr estimated from Newfoundland
near 4737N 5916W to Quebec near 5015N 6314W.

Iceberg Count

Unknown number of icebergs.
Warnings

Warnings (In effect)

Storm warning in effect

Northwest Labrador Sea

Issued 09:30 AM NDT 29 April 2017

'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 09:30 AM NDT 29 April 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 AM NDT 29 April 2017 Today Tonight and Sunday At 9:30 a.m. NDT today intensifying trough located off Labrador
Coast.
By 4:00 a.m. NDT Sunday quasi-stationary low 985 mb located over
the Northwest Labrador Sea.

At 9:30 a.m. NDT today ridge located on a line northwest-southeast
over the East Labrador Sea.
By 4:00 p.m. NDT today weakening ridge located east of the East
Labrador Sea.

Marine Weather Statement

Issued 9:15 AM NDT 29 April 2017 A trough of low pressure off the Labrador coast will move slowly
northward and then become nearly stationary as a deepening low
pressure system over the Northwest Labrador Sea tonight and Sunday.
Strong to gale force southeasterlies will develop today ahead of the
low with gale to storm force northwesterlies developing in its wake.

Marine interests are advised that a storm warning is in effect for
Northwest Labrador Sea. Gale warnings are in effect for all remaining
waters except Lake Melville.

Marine interests are advised that freezing spray warnings are in
effect for South Labrador Coast, South Labrador Sea - western half,
and northwest labardor sea.

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