West Coast Haida Gwaii - southern half

Forecast

Marine Forecast

Issued 10:30 AM PDT 23 October 2017

Today Tonight and Tuesday.

Storm warning in effect.

Wind southeast 35 to 45 knots becoming southwest 40 to 50 near noon then becoming southwest 40 late this afternoon. Wind diminishing to westerly 15 to 25 this evening and to light near midnight. Wind increasing to east 10 to 20 late overnight and to southwest 30 to 40 Tuesday morning. Wind diminishing to northwest 20 to 30 Tuesday evening.

Rain. Visibility 1 mile or less in rain.

Waves

Issued 04:00 AM PDT 23 October 2017
Today Tonight and Tuesday. Seas 4 metres building to 6 early this afternoon then subsiding to 5 Tuesday afternoon.

Extended Forecast

Issued 04:00 AM PDT 23 October 2017
Wednesday Wind northwest 15 to 25 knots diminishing to northwest 10 to 15 in the afternoon.
Thursday Wind south 10 to 20 knots increasing to south 25 to 35.
Friday Wind south 25 to 35 knots diminishing to north 10 to 20.

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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 (In effect)

Storm warning in effect

West Coast Haida Gwaii - southern half

Issued 10:30 AM PDT 23 October 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.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM PDT 23 October 2017 Today Tonight and Tuesday At 10:30 a.m. PDT today low 995 mb located over northern Bowie.
By 4:00 p.m. PDT today departing low 991 mb located over the
Alaska panhandle.

At 9:30 p.m. PDT tonight quasi-stationary frontal system located
on a line northeast-southwest over southern Hecate Strait.

At 10:30 a.m. PDT Tuesday low 1012 mb located off Bowie.
By 4:00 p.m. PDT Tuesday low 1009 mb located over southern Bowie.

Marine Weather Statement

Issued 10:19 AM PDT 23 October 2017 A deepening low over Bowie will move northeastward to reach the
Alaska Panhandle late this afternoon. Ahead of the low, gale to storm
force southerlies will continue over northern and central waters
today then shift to strong to gale force westerlies in its wake
tonight. The associated front will remain over Southern Hecate Strait
tonight with southerly gales persisting over the central waters.

On Tuesday, another low pressure system will move to lie over Bowie
in the afternoon. Southerly gales will redevelop over the northern
waters ahead of the low.

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