West Coast Haida Gwaii - southern half

Forecast

Marine Forecast

Issued 10:30 AM PST 15 December 2017

Today Tonight and Saturday.

Wind west 20 to 25 knots diminishing to west 15 this afternoon then backing to south 20 this evening. Wind increasing to south 30 near midnight then veering to west 20 to 30 Saturday evening.

Chance of showers changing to rain this evening and ending Saturday evening.

Waves

Issued 04:00 AM PST 15 December 2017
Today Tonight and Saturday. Seas 3 to 4 metres subsiding to 3 early this morning then building to 3 to 5 Saturday morning.

Extended Forecast

Issued 04:00 AM PST 15 December 2017
Sunday Wind southwest 25 to 35 knots.
Monday Wind west 25 knots diminishing to west 10 to 15.
Tuesday Wind light increasing to north 25 to 35 knots late in the day.

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Weather Conditions

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Map of Pacific - North Coast marine weather areas Middle Nomad - 46004 South Nomad - 46036 Dixon Entrance Central - 46145 South Moresby - 46147 Nanakwa Shoal - 46181 North Hecate Strait - 46183 North Nomad - 46184 South Hecate Strait - 46185 West Sea Otter - 46204 West Dixon Entrance - 46205 East Dellwood - 46207 West Moresby - 46208 Sartine Island Cape St.James Kindakun Rocks Langara Island Masset Municipal Airport Rose Spit Sandspit Airport Bella Bella Airport Bella Coola Airport Cathedral Point Cumshewa Island Grey Islet Holland Rock Lucy Islands Lightstation Prince Rupert Airport Bonilla Island
Ice Conditions

There is no ice forecast issued for this area.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM PST 15 December 2017 Today Tonight and Saturday At 10:30 a.m. PST today building ridge located over the offshore
waters.
By 4:00 a.m. PST Saturday ridge located over BC interior.

At 4:00 p.m. PST today warm front located off Bowie.
By 10:00 a.m. PST Saturday warm front located on a line north-south
over Hecate Strait.

Marine Weather Statement

Issued 10:19 AM PST 15 December 2017 A ridge of high pressure over the offshore waters will shift to the
BC Interior on Saturday. Gale force northwest winds will develop off
the west coast of Vancouver Island today.

A warm front will approach the northern offshore waters late this
afternoon and move to lie over Hecate Strait by Saturday morning.
Ahead of the front winds will rise to gale force southerly over
northern and central waters. Winds will shift to gale force
southwesterly behind the front.

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