West Coast Haida Gwaii - northern half

Forecast

Marine Forecast

Issued 09:30 PM PST 16 December 2017

Tonight and Sunday.

Gale warning in effect.

Wind west 25 to 35 knots diminishing to west 15 to 25 after midnight then increasing to west 25 to 35 Sunday afternoon.

A few showers.

Waves

Issued 04:00 PM PST 16 December 2017
Today Tonight and Sunday. Seas 4 metres.

Extended Forecast

Issued 04:00 PM PST 16 December 2017
Monday Wind west 20 knots.
Tuesday Wind light increasing to north 25 to 35 knots late in the day.
Wednesday Wind north 25 knots diminishing to north 15 late in the day.

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Ice Conditions

There is no ice forecast issued for this area.

Warnings

Warnings (In effect)

Gale warning in effect

West Coast Haida Gwaii - northern half

Issued 9:30 PM PST 16 December 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.

Synopsis

Technical Marine Synopsis

Issued 9:30 PM PST 16 December 2017 Tonight and Sunday At 9:30 p.m. PST tonight departing warm front located over the
Mainland Coast.

At 4:00 a.m. PST Sunday frontal system located west of Explorer.
By 4:00 p.m. PST Sunday frontal system located over Explorer.

At 9:30 a.m. PST Sunday low 995 mb located over the Gulf of Alaska.
By 9:30 p.m. PST Sunday weakening cold front from 1000 mb low
located over the Gulf of Alaska.

Marine Weather Statement

Issued 9:27 PM PST 16 December 2017 A warm front over the central mainland coast will continue to
General gale force southerly winds along the immediate coast
This evening. The gale force winds will ease overnight as the front
weakens.

A low pressure system will develop over the Gulf of Alaska Sunday
morning. The system will weaken Sunday evening. Marginal gale force
westerlies will prevail over Northern Bowie on Sunday.

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