321
FZPS40 PHFO 301504
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1730 UTC SAT AUG 30 2025

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

SOUTH PACIFIC EQUATOR TO 25S BETWEEN 120W AND 160E

SYNOPSIS VALID 1200 UTC AUG 30 2025.
24 HOUR FORECAST VALID 1200 UTC AUG 31 2025.
48 HOUR FORECAST VALID 1200 UTC SEP 01 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 20S120W 18S130W 18S138W 19S144W NEARLY STATIONARY ELSEWHERE.
.24 HOUR FORECAST FRONT DISSIPATED.

.FRONT 25S157W 23S161W THENCE TROUGH 17S173E. FRONT MOVING E 25
KT AND TROUGH MOVING SW SLOWLY.
.24 HOUR FORECAST FRONT 25S139W 21S141W THENCE TROUGH 15S158W.
SECOND DETACHED TROUGH 17S179E 12S174E.
.48 HOUR FORECAST FRONT 25S127W 21S133W THENCE TROUGH 17S149W
16S162W. SECOND DETACHED TROUGH 18S174E 09S167E.

.TROUGH 25S166E 24S165E MOVING SE SLOWLY.
.24 HOUR FORECAST TROUGH MOVED S OF AREA.

.WINDS 20 KT OR LESS OVER ENTIRE FORECAST AREA.

.SEAS 2.5 TO 4.0 M S OF 04S E OF 139W.
.24 HOUR FORECAST SEAS 2.5 TO 3.0 M S OF 02S E OF 135W...AND S OF
LINE 21S160E 21S162E 25S172E.
.48 HOUR FORECAST SEAS 2.5 TO 3.0 M S OF LINE 25S164E 18S172E
25S170W...AND E OF LINE 01S120W 08S132W 20S120W.

.SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA.

.ISOLATED MODERATE TSTMS 13S TO 06S W OF 163E...AND FROM 10S TO
07S BETWEEN 172W AND 169W.


$$

.FORECASTER PIERCE. HONOLULU HI.