High Seas Forecast
Issued by NWS

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000
FZPN40 PHFO 230430
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC SAT AUG 23 2014

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS

SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT
OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE MORE THAN
TWICE THE SIGNIFICANT WAVE HEIGHT.

THIS HIGH SEAS FORECAST USES 1-MINUTE AVERAGE WINDS WHICH MAY BE
HIGHER THAN 10-MINUTE AVERAGE WINDS.

SECURITE

NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E

SYNOPSIS VALID 0000 UTC AUG 23 2014.
24 HOUR FORECAST VALID 0000 UTC AUG 24 2014.
48 HOUR FORECAST VALID 0000 UTC AUG 25 2014.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW NEAR 12N146W 1008 MB NEARLY STATIONARY. TROUGH FROM LOW TO
09N152W TO 09N159W. ISOLATED MODERATE TO STRONG TSTMS WITHIN 180 NM
OF LOW AND WITHIN 240 NM OF TROUGH.
.24 HOUR FORECAST LOW NEAR 13N145W 1007 MB. TROUGH FROM LOW TO
09N152W TO 09N159W.
.48 HOUR FORECAST DISSIPATING LOW NEAR 15N142W 1012 MB. TROUGH FROM
LOW TO 09N152W TO 09N159W. SECONDARY LOW DEVELOPING ALONG TROUGH
NEAR 09N159W 1010 MB.

.LOW NEAR 09N167W 1009 MB MOVING W 10 KT. SCATTERED MODERATE TO
STRONG TSTMS WITHIN 480 NM OF CENTER SE SEMICIRCLE AND WITHIN 240 NM
OF CENTER NW SEMICIRCLE.
.24 HOUR FORECAST LOW NEAR 09N172W 1009 MB.
.48 HOUR FORECAST LOW NEAR 09N176W 1009 MB.

.COLD FRONT RAPIDLY APPROACHING FORECAST AREA FROM N.
.24 HOUR FORECAST DISSIPATING FRONT FROM 30N172E TO 29N166E TO
29N162E.
.48 HOUR FORECAST REMNANT TROUGH FROM 30N174E TO 28N167E TO 27N163E.

.STATIONARY FRONT FROM 30N178W TO 27N173W TO 26N163E. ISOLATED
MODERATE TSTMS WITHIN 120 NM OF FRONT.
.12 HOUR FORECAST FRONT DISSIPATED.

.TROUGH FROM 05N173E TO 09N179E TO 09N176W. ISOLATED MODERATE TSTMS
WITHIN 240 NM OF TROUGH.
.24 HOUR FORECAST TROUGH FROM 05N167E TO 09N171E TO 10N177E.
.48 HOUR FORECAST TROUGH DISSIPATED.

.RIDGE FROM 30N168W TO 24N179W.
.24 HOUR FORECAST RIDGE FROM 30N170W TO 27N177E.
.48 HOUR FORECAST RIDGE MOVED N OF FORECAST AREA.

.WINDS INCREASING TO 20 TO 25 KT N OF 24N E OF 152W.
.24 HOUR FORECAST WINDS 20 TO 25 KT N OF 26N E OF 152W.
.48 HOUR FORECAST WINDS DIMINISHED TO 20 KT OR LESS.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.SEAS BUILDING TO 8 FT OR HIGHER.
.24 HOUR FORECAST SEAS 8 TO 9 FT N OF 24N E OF 150W.
.48 HOUR FORECAST SEAS 8 TO 9 FT N OF 24N E OF 155W.

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

.OTHERWISE ISOLATED MODERATE TSTMS S OF 20S W OF 173E.

$$

.FORECASTER A BEDAL. HONOLULU HI.





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