High Seas Forecast
Issued by NWS

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589
FZPN40 PHFO 242230
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 UTC WED AUG 24 2016

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC AUG 24 2016.
24 HOUR FORECAST VALID 1800 UTC AUG 25 2016.
48 HOUR FORECAST VALID 1800 UTC AUG 26 2016.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WEAK LOW 12N148W 1011 MB MOVING W 15 KT. WIDELY SCATTERED
MODERATE TSTMS WITHIN 240 NM NE QUADRANT OF LOW.
.24 HOUR FORECAST LOW 12N154W 1012 MB.
.48 HOUR FORECAST LOW 13N157W 1013 MB.

.TROUGH 30N170W TO 20N175W TO 13N178E MOVING W 15 KT AND ERODING
FROM THE S. WINDS 20 TO 25 KT N OF 28N BETWEEN TROUGH AND 163W.
SCATTERED MODERATE TO STRONG TSTMS WITHIN 180 NM E OF TROUGH
BETWEEN 14N AND 19N. ISOLATED MODERATE TSTMS N OF 22N BETWEEN 157W
AND 168W.
.24 HOUR FORECAST TROUGH 30N173W TO 23N180E. ASSOCIATED WINDS
DIMINISHED TO 20 KT OR LESS OVER FORECAST AREA.
.48 HOUR FORECAST TROUGH 30N172W TO 25N175W.

.RIDGE 27N152W TO 20N161W TO 16N170W NEARLY STATIONARY.

.RIDGE 27N162E TO 24N160E NEARLY STATIONARY AND WEAKENING.

.24 HOUR FORECAST SE WINDS 20 TO 25 KT N OF 28N W OF 161E.
.48 HOUR FORECAST S TO SE WINDS 20 TO 30 KT N OF 27N W OF 164E.

.WINDS 20 KT OR LESS OVER REMINDER OF FORECAST AREA.

.SEAS 8 FT OR LESS OVER ENTIRE FORECAST AREA.
.24 HOUR FORECAST SEAS 8 TO 11 FT N OF 26N W OF 161E.
.48 HOUR FORECAST SEAS 8 TO 11 FT N OF 26N W OF 163E.

.SEAS 8 FT OR LESS OVER REMAINDER OF FORECAST AREA.

.ITCZ 10N140W TO 07N160W TO 08N170W. ISOLATED MODERATE TSTMS
WITHIN 120 NM OF ITCZ.

.SCATTERED MODERATE TO STRONG TSTMS FROM 03N TO 09N BETWEEN 165E
AND 178E.

$$

.HONOLULU HI.



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