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West Coast Haida Gwaii - northern half

Forecast

Marine Forecast

Issued 04:00 PM PST 24 November 2020

Tonight and Wednesday.

Gale warning in effect.

Wind northwest 35 to 45 knots diminishing to northwest 25 to 35 this evening and to northwest 15 to 25 late overnight. Wind backing to southwest 15 to 25 Wednesday morning then increasing to south 30 to 40 Wednesday evening.

Rain ending overnight. Rain Wednesday evening.

Waves

Issued 04:00 PM PST 24 November 2020
Today Tonight and Wednesday. Seas 7 to 9 metres subsiding to 5 to 7 after midnight and to 3 to 5 early Wednesday morning. Seas subsiding to 3 to 4 early Wednesday afternoon.

Extended Forecast

Issued 04:00 PM PST 24 November 2020
Thursday Wind southwest 30 to 40 knots diminishing to northwest 15 to 25 in the morning then becoming east 10 to 20 late in the day.
Friday Wind east 15 to 25 knots increasing to westerly 30 to 40.
Saturday Wind westerly 30 to 40 knots backing to southerly 30 to 40.

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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 Bonilla Island Cathedral Point Cumshewa Island Grey Islet Holland Rock Lucy Islands Lightstation Prince Rupert Airport
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 24 November 2020

'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 24 November 2020 Tonight and Wednesday At 4:00 p.m. PST today low 993 mb located northwest of Haida Gwaii.
By 4:00 a.m. PST Wednesday low 1008 mb located over the Central
Coast.

At 4:00 p.m. PST Wednesday frontal system located west of Bowie.
By 4:00 p.m. PST Thursday frontal system located on a line
northeast-southwest over the Central Coast.

Marine Weather Statement

Issued 3:46 PM PST 24 November 2020 A low pressure system will cross Haida Gwaii tonight and reach the
Central Coast by Wednesday morning. The system will then gradually
dissipate on Wednesday afternoon as it moves to west of Tofino. Gale
to storm force westerly winds over northern and central offshore
waters tonight will spread to southern offshore waters on Wednesday
morning.

A frontal system will approach the northern offshore waters on
Wednesday afternoon. The system will move southward across northern
waters Wednesday night then the central waters on Thursday. Ahead of
the system, gale force southerly winds will develop over northern
waters Wednesday night. The winds will spread to central and southern
waters on Thursday.

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