Hecate Strait

Forecast

Marine Forecast

Issued 09:30 PM PDT 27 April 2015

Tonight and Tuesday

Storm warning in effect.

Wind southeast 30 to 40 knots increasing to southeast 50 to 60 after midnight then diminishing to southwest 40 early Tuesday morning. Wind diminishing to southwest 30 near noon Tuesday and to southwest 20 Tuesday evening.

Periods of rain changing to chance of showers Tuesday.

Waves

Issued 04:00 PM PDT 27 April 2015

Hecate Strait - northern half

Today Tonight and Tuesday Seas 2 metres building to 3 near midnight and to 4 to 6 late overnight. Seas subsiding to 3 early Tuesday afternoon.

Hecate Strait - southern half

Today Tonight and Tuesday Seas 3 metres building to 4 this evening and to 5 to 7 late overnight. Seas subsiding to 4 Tuesday afternoon.

Extended Forecast

Issued 04:00 PM PDT 27 April 2015
Wednesday Wind southerly 15 to 25 knots increasing to south 25 to 35 late in the day.
Thursday Wind southwest 15 to 25 knots diminishing to southwest 10 to 15 late in the day.
Friday Wind south 20 to 30 knots diminishing to westerly 10 to 20 late in the day.

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Ice Conditions

There is no ice forecast issued for this area.

Warnings

Warnings (In effect)

Storm warning in effect

Hecate Strait

Issued 9:30 PM PDT 27 April 2015

'Storm' force winds of 48 to 63 knots are occurring or expected to occur in this marine area. 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 9:30 PM PDT 27 April 2015 Tonight and Tuesday At 9:30 p.m. PDT tonight deepening low 989 mb located over
northwestern Explorer.
By 8:00 a.m. PDT Tuesday departing low 978 mb located over the
southern Alaska panhandle.

At 11:00 p.m. PDT tonight cold front located on a line north-south
over central Explorer.
By noon PDT Tuesday departing cold front located over the Lower
Mainland.

At 11:00 a.m. PDT Tuesday building ridge located on a line
north-south over Vancouver Island.

Marine Weather Statement

Issued 9:31 PM PDT 27 April 2015 A low will deepen rapidly to about 980 millibars as it quickly moves
northward towards Haida Gwaii tonight and eventually up the Alaska
Panhandle by Tuesday morning. A cold front extending southward from
the low centre will sweep through the coast Tuesday.
Strong to gale force southeasterlies ahead of the low will reach
storm force tonight over most of the central and northern waters as
the low approaches. Winds will shift rapidly to gale to storm force
westerly in its wake by Tuesday morning with local hurricane force
winds expected over parts of Explorer and Queen Charlotte Sound.
Winds will remain mostly moderate to strong over the far south except
for local southeast gales over the northern portions of the Strait of
Georgia ahead of the cold front overnight and brief westerly gales
through Juan de Fuca Strait in the wake of the cold front Tuesday
morning.

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