West Coast Haida Gwaii - northern half

Forecast

Marine Forecast

Issued 04:00 PM PST 19 January 2018

Tonight and Saturday.

Gale warning in effect.

Wind northeasterly 10 to 20 knots diminishing to light this evening then increasing to southwest 10 to 15 after midnight. Wind backing to southeast 20 early Saturday morning then increasing to easterly 25 to 35 late Saturday morning. Wind diminishing to southerly 15 to 25 Saturday afternoon.

Showers.

Waves

Issued 04:00 PM PST 19 January 2018
Today Tonight and Saturday. Seas 2 to 3 metres building to 3 to 5 Saturday afternoon.

Extended Forecast

Issued 04:00 PM PST 19 January 2018
Sunday Wind southeasterly 15 to 25 knots.
Monday Wind southwesterly 20 to 30 knots.
Tuesday Wind southerly 30 knots.

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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 4:00 PM PST 19 January 2018

'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 4:00 PM PST 19 January 2018 Tonight and Saturday At 4:00 p.m. PST today weakening low 994 mb located 75 miles south
of Cape St. James.
By 10:00 p.m. PST tonight dissipating low 997 mb located over
eastern Queen Charlotte Sound.

At 10:00 p.m. PST tonight intensifying frontal system located west
of the offshore waters.
By 4:00 p.m. PST Saturday frontal system located from Sandspit to
Cape Scott then to Tofino.

Marine Weather Statement

Issued 4:00 PM PST 19 January 2018 A 994 millibar low 75 miles south of Cape St James will move
Slowly northeastward across Queen Charlotte Sound this evening while
weakening. The low will reach the Central Coast and dissipate near
McInnes Island overnight. A frontal system will approach the
Offshore waters overnight to lie from Haida Gwaii to Vancouver
Island Saturday afternoon.

Strong to gale force southeasterlies ahead of the low will ease to
moderate to strong tonight. Gale to local storm force
Northwesterlies in the wake of the low will also ease to moderate to
strong tonight.

Gale force southeasterlies will develop offshore ahead of the
Frontal system overnight, and spread to most waters on Saturday, and
may approach storm force strength. Winds will ease to strong
southerlies behind the system.

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