West Coast Haida Gwaii - southern half

Forecast

Marine Forecast

Issued 04:00 PM PDT 25 September 2016

Tonight and Monday

Gale warning in effect.

Wind south 25 to 35 knots increasing to south 40 early this evening then diminishing to southwest 25 to 30 near midnight. Wind diminishing to northwest 15 late overnight.

Periods of rain changing to chance of showers overnight and Monday.

Waves

Issued 04:00 PM PDT 25 September 2016
Today Tonight and Monday Seas 3 to 4 metres building to 5 late this afternoon then subsiding to 3 near midnight. Seas subsiding to 2 Monday evening.

Extended Forecast

Issued 04:00 PM PDT 25 September 2016
Tuesday Wind northwest 15 to 25 knots backing to southwest 10 to 20 in the morning then increasing to southerly 20 to 30 late in the day.
Wednesday Wind southerly 20 to 30 knots becoming southeast 20.
Thursday Wind easterly 5 to 15 knots becoming light late in the day.

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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 - southern half

Issued 4:00 PM PDT 25 September 2016

'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 PDT 25 September 2016 Tonight and Monday At 4:00 p.m. PDT today quasi-stationary ridge located on a line
northeast-southwest over southern Vancouver Island.

At 5:00 a.m. PDT Monday ridge located west of Bowie.
By 11:00 p.m. PDT Monday ridge located on a line northeast-southwest
over northern Explorer.

At 4:00 p.m. PDT today building low 1005 mb located over Bowie.
By 2:00 a.m. PDT Monday departing low 1002 mb located over the
southern Alaska panhandle.

Marine Weather Statement

Issued 3:45 PM PDT 25 September 2016 A low pressure system will move through Bowie this evening
And is forecast to pass to the northwest of Haida Gwaii tonight.

Gale to storm force south or southeast winds will develop ahead of
the frontal system as it moves through Bowie and into the central
waters. The cold front associated with this low will move
Down the coast to lie over Vancouver Island late Monday. Winds will
shift to moderate to strong northwesterlies once the cold front
passes.

Meanwhile, in the far south, winds will remain light to moderate
under a ridge of high pressure.

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