Hecate Strait

Forecast

Marine Forecast

Issued 04:00 AM PDT 27 April 2015

Today Tonight and Tuesday

Storm warning in effect.

Wind southerly 10 to 20 knots except southeast 20 to 30 over northern sections. Wind becoming south 30 to 40 this afternoon then increasing to southeast 50 to 60 late overnight. Wind diminishing to southwest 40 Tuesday morning and to southwest 30 near noon Tuesday. Wind diminishing to southwest 20 Tuesday evening.

Periods of rain beginning this morning changing to chance of showers Tuesday.

Waves

Issued 04:00 AM PDT 27 April 2015

Hecate Strait - northern half

Today Tonight and Tuesday Seas 2 metres building to 3 late overnight and to 6 Tuesday morning. Seas subsiding to 4 Tuesday afternoon and to 3 Tuesday evening.

Hecate Strait - southern half

Today Tonight and Tuesday Seas 2 to 3 metres building to 4 this evening and to 7 overnight. Seas subsiding to 5 Tuesday afternoon.

Extended Forecast

Issued 04:00 AM PDT 27 April 2015
Wednesday Wind south 20 to 30 knots diminishing to south 15 to 20 in the afternoon then 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 04:00 AM 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 4:00 AM PDT 27 April 2015 Today Tonight and Tuesday At 4:00 a.m. PDT today quasi-stationary low 990 mb located over
the northern Gulf of Alaska.

At 11:00 p.m. PDT tonight deepening low 988 mb located over
northwestern Explorer.
By 11:00 a.m. PDT Tuesday departing low 980 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.

Marine Weather Statement

Issued 3:59 AM PDT 27 April 2015 A 990 millibar low in the Northern Gulf of Alaska will slowly weaken
today. A second low will deepen rapidly as it moves northward towards
Haida Gwaii tonight and will move rapidly up the Alaska Panhandle
Tuesday.
Strong to gale force southeasterlies ahead of the second low will
reach storm force tonight over most 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 moderate to strong over the far south.

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