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West Coast Haida Gwaii - northern half

Forecast

Marine Forecast

Issued 04:00 PM PST 23 November 2020

Tonight and Tuesday.

Gale warning in effect.

Wind southwest 25 to 35 knots veering to northwest 35 to 45 Tuesday afternoon then diminishing to northwest 25 to 35 Tuesday evening.

Rain.

Waves

Issued 04:00 PM PST 23 November 2020
Today Tonight and Tuesday. Seas 4 metres building to 6 to 8 this evening and to 10 late overnight. Seas subsiding to 9 Tuesday afternoon.

Extended Forecast

Issued 04:00 PM PST 23 November 2020
Wednesday Wind northwest 30 to 40 knots diminishing to variable 10 to 20 in the afternoon then increasing to southeast 25 to 35 late in the day.
Thursday Wind southeast 30 to 40 knots diminishing to north 15 to 25.
Friday Wind northwest 25 to 35 knots diminishing to northwest 15 to 25 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 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 23 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 23 November 2020 Tonight and Tuesday At 4:00 p.m. PST today departing warm front located on a line
north-south over Hecate Strait.

At 4:00 p.m. PST today cold front located over Langara extending
southwestward.
By 10:30 a.m. PST Tuesday departing cold front located on a line
northeast-southwest over central Vancouver Island.

At 4:00 p.m. PST today low 962 mb located over the Gulf of Alaska.
By 4:00 p.m. PST Tuesday low 993 mb located over Langara.

Marine Weather Statement

Issued 3:30 PM PST 23 November 2020 A warm front over Hecate Strait will move onto the North Coast this
evening. Gale to storm force southeasterlies ahead of the front will
shift to gale to storm force westerly in its wake.

The trailing cold front will track southwards across Vancouver Island
on Tuesday. Ahead of the front, gale force southeasterlies will
develop over South Coast waters Tuesday morning and shift to strong
to gale force westerly in its wake.

The associated low over the Gulf of Alaska will track southwards
across Haida Gwaii Tuesday evening. Storm force westerlies in its
wake will generate seas 10 to 13 metres over Bowie this evening then
spread to west coast Haida Gwaii and Dixon Entrance West overnight.
Seas will build to 8 to 10 metres over central waters on Tuesday and
to 6 to 8 metres over west coast Vancouver Island on Wednesday.

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