West Coast Haida Gwaii - northern half

Forecast

Marine Forecast

Issued 04:00 AM PDT 19 October 2018

Today Tonight and Saturday.

Gale warning in effect.

Wind southeast 40 to 45 knots diminishing to southwest 20 to 30 this morning and to southwest 10 to 20 Saturday morning.

Rain changing to showers near noon and ending Saturday afternoon with a risk of thunderstorms.

Waves

Issued 04:00 AM PDT 19 October 2018
Today Tonight and Saturday. Seas 4 metres building to 5 this afternoon then subsiding to 4 near noon Saturday. Seas subsiding to 3 Saturday evening.

Extended Forecast

Issued 04:00 AM PDT 19 October 2018
Sunday Wind south 15 to 25 knots increasing to south 25 to 35 in the afternoon.
Monday Wind southeast 25 to 35 knots increasing to southeast 35 to 45.
Tuesday Wind south 30 to 40 knots diminishing to south 25.

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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 04:00 AM PDT 19 October 2018

'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 AM PDT 19 October 2018 Today Tonight and Saturday At 4:00 a.m. PDT today quasi-stationary ridge located over BC
interior.

At 4:00 a.m. PDT today deepening low 970 mb located 300 miles west
of the Alaska panhandle.

At 5:00 a.m. PDT today cold front located on a line north-south
over Bowie.
By 11:00 p.m. PDT tonight dissipating cold front located on a line
north-south over Cape Scott.

At 5:00 a.m. PDT Saturday quasi-stationary ridge located on a line
northeast-southwest over Queen Charlotte Sound.

Marine Weather Statement

Issued 3:58 AM PDT 19 October 2018 A rapidly deepening low pressure system is moving northward towards
Alaska. The associated cold front will reach Haida Gwaii this
Morning and will dissipate as it reaches Cape Scott tonight. On
Saturday, a ridge of high pressure will lie over Queen Charlotte
Sound.

Gale force southeasterlies will prevail over most northern and
central waters today ahead of the cold front. Winds will shift
To moderate to strong west or southwest behind it, with gale to
Storm force southwesterlies forecast over the northern offshore
waters.

On Saturday, strong to gale force southerlies will persist over the
northern offshore waters. Light to moderate winds will prevail
elsewhere under the ridge.

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