Area Forecast Discussion
Issued by NWS Eureka, CA

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FXUS66 KEKA 272143

Area Forecast Discussion
National Weather Service Eureka CA
243 PM PDT FRI MAY 27 2016

.SYNOPSIS...Dry conditions and near normal temperatures will
prevail across the region through this weekend. Northerly winds
will be moderate and gusty today. Temperatures will increase early
next week with dry conditions as high pressure builds across the


.DISCUSSION...A weak upper level high pressure ridge will
maintain dry conditions and near normal temperatures across the
region through this weekend. The high pressure will also
contribute some upper level subisdence reducing instability
thus, with the exception of a few cumulus over the mountains
skies should remain sunny across the interior. There is a drier
northwesterly flow along the coast which will keep the marine
layer from deepening to strongly. Low clouds and pathcy fog are
still expected each night and morning due to the absense of any
significant offshore flow....but sun should mix through by the
late morning hours. The Northwesterly winds will gradually weaken
tonight and tomorrow but the afternoon period will still see a
decent breeze each day. The ridge of high pressure builds toward
early next week promoting higher inland temperatures across the
interior areas early next week with dry conditions continuing
across the region. The arrival of a dissipating frontal boundary
will produce a slight chance for showers moving across some areas
Thursday...along with cooler temperaturers and a little more cloud


.AVIATION...VFR ceilings are expected to prevail in most areas
tonight, with the exception of the Humboldt/Arcata Bay region and
adjacent coastal river valleys where some MVFR stratus may develop
after sunset. Gusty north winds will weaken and turn slightly
offshore along the immediate coast overnight, but will return by
tomorrow afternoon, perhaps a few knots weaker than what was
observed today. Lingering low stratus in the vicinity of ACV should
dissipate quickly tomorrow morning. VFR conditions are expected at


.MARINE...Strong sustained northerly winds with a few gale force
gusts continue to prevail throughought much of the waters today, and
as a result, steep northerly waves continue to dominate the sea
state. This pattern will remain mostly unchanged through the weekend
as offshore high pressure nudges up against an inland thermal
trough, maintaining a tight pressure gradient across our waters with
minor diurnal fluctuations. While it may be hardly noticeable for
most practical purposes, there will be a very gradual downward trend
in wind speeds through the weekend and early next week, which will
allow Gale Warnings to transition to small craft advisories. While
these warnings will be slowly downgraded to advisories, no
particularly meaningful improvement can be expected across at least
the outer waters until sometime early next week when an approaching
low pressure system begins to weaken the offshore pressure gradient.

Towards the middle and end of next week, while winds and seas are
expected to be more subdued overall, uncertainty in the track of an
approaching weak low pressure system is resulting in below average
confidence in both wind speed and direction. Meanwhile, model
guidance continues to hint at a moderate southerly long period swell
moving through the waters Wednesday, which could cause some minor
impacts along south and southwest facing beaches.


     Small Craft Advisory until 9 PM PDT Saturday FOR PZZ450.

     Gale Warning until 3 AM PDT Saturday FOR PZZ470.

     Small Craft Advisory until 9 PM PDT Saturday FOR PZZ455.

     Gale Warning until 9 PM PDT Saturday FOR PZZ475.



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