West Coast Haida Gwaii - northern half

Forecast

Marine Forecast

Issued 09:30 PM PDT 21 October 2017

Tonight and Sunday.

Wind southerly 20 to 30 knots diminishing to southwest 15 Sunday evening.

A few showers. Risk of thunderstorms tonight.

Waves

Issued 04:00 PM PDT 21 October 2017
Today Tonight and Sunday. Seas 3 to 5 metres building to 5 to 7 Sunday morning then subsiding to 5 Sunday evening.

Extended Forecast

Issued 04:00 PM PDT 21 October 2017
Monday Wind southeast 30 to 40 knots increasing to southerly 40 to 50 in the morning then diminishing to westerly 15 to 25 late in the day.
Tuesday Wind easterly 15 to 25 knots increasing to southwest 25 to 35.
Wednesday Wind northwest 20 to 30 knots.

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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

Warnings (Ended)

Gale warning ended

West Coast Haida Gwaii - northern half

Issued 9:30 PM PDT 21 October 2017
Synopsis

Technical Marine Synopsis

Issued 9:30 PM PDT 21 October 2017 Tonight and Sunday At 9:30 p.m. PDT tonight low 974 mb located north of Bowie.
By 5:00 p.m. PDT Sunday weakening low 1002 mb located over the
Alaska panhandle.

At 9:30 p.m. PDT tonight frontal system located on a line
northeast-southwest over central Vancouver Island.
By 4:00 a.m. PDT Sunday departing frontal system located over
BC interior.

At 11:00 a.m. PDT Sunday building ridge located over the South
Coast.

Marine Weather Statement

Issued 9:18 PM PDT 21 October 2017 A frontal system over Central Vancouver Island this evening
Will move inland tonight, bringing strong to gale force
southeasterlies to the southern waters. Winds will shift to strong
southerly in its wake, with a large area of gale force
southwesterlies developing off the outer coast and over the offshore
waters tonight, due to a low pressure centre passing to the north
Of Bowie. Winds will rise further to local storm force
southwesterlies over the offshore waters overnight. Winds will
Ease to moderate to strong southerly Sunday afternoon as the low
weakens over the Alaska Panhandle and a ridge of high pressure
Builds over the South Coast.

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