West Coast Haida Gwaii - northern half


Marine Forecast

Issued 09:30 PM PDT 25 April 2017

Tonight and Wednesday

Gale warning in effect.

Wind southeast 30 to 40 knots veering to southwest 30 to 40 early Wednesday morning then diminishing to southwest 20 to 30 Wednesday evening.

Periods of rain.


Issued 04:00 PM PDT 25 April 2017
Today Tonight and Wednesday Seas 2 to 3 metres building to 3 to 4 early Wednesday morning.

Extended Forecast

Issued 04:00 PM PDT 25 April 2017
Thursday Wind west 15 to 25 knots diminishing to light in the afternoon.
Friday Wind light.
Saturday Wind southeast 25 to 35 knots veering to southwest 25 to 35 late in the day.

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Ice Conditions

There is no ice forecast issued for this area.


Warnings (In effect)

Gale warning in effect

West Coast Haida Gwaii - northern half

Issued 9:30 PM PDT 25 April 2017

'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.


Technical Marine Synopsis

Issued 9:30 PM PDT 25 April 2017 Tonight and Wednesday At 9:30 p.m. PDT tonight frontal system located from Vancouver
Island to Haida Gwaii.
By 5:00 a.m. PDT Wednesday departing frontal system located over
the Mainland Coast.

At 9:30 p.m. PDT tonight low 989 mb located 90 miles west of
Haida Gwaii.
By 5:00 p.m. PDT Wednesday departing low 998 mb located off the
Alaska panhandle.

Marine Weather Statement

Issued 9:29 PM PDT 25 April 2017 A Pacific front will move through the coast tonight. A 990 millibar
low over Southern Bowie will move slowly northeastward to lie over
the west coast of Haida Gwaii overnight tonight and then off the
Alaska Panhandle Wednesday afternoon.

Southeast gales are forecast ahead of the front tonight over most
central and northern waters while winds will remain below gale
Force over the inner South Coast. Winds will shift to moderate to
strong west or southwest behind the front. A large area of gale
force westerlies will follow the low centre off the west coast of
Haida Gwaii.

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