572
FZPS40 PHFO 310310
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0530 UTC SUN AUG 31 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC AUG 31 2025.
24 HOUR FORECAST VALID 0000 UTC SEP 01 2025.
48 HOUR FORECAST VALID 0000 UTC SEP 02 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 21S120W 20S130W 20S140W NEARLY STATIONARY.
.24 HOUR FORECAST FRONT DISSIPATED.

.TROUGH 25S152W 23S164W 15S177E MOVING E 30 KT.
.24 HOUR FORECAST TROUGH 25S134W 20S140W 15S150W.
.48 HOUR FORECAST TROUGH 25S123W 20S130W 12S142W.

.WINDS 20 KT OR LESS OVER ENTIRE FORECAST AREA.

.SEAS 2.5 TO 3 M E OF LINE 08S135W 15S135W 25S140W.
.24 HOUR FORECAST SEAS 2.5 TO 4 M S OF LINE 201S160E
25S180W. SEAS 2.5 TO 3 M ELSEWHERE E OF LINE 08S128W
25S125W.
.48 HOUR FORECAST SEAS 2.5 TO 4 M S OF LINE 25S165E 15S175E
25S160W.

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

.ISOLATED MODERATE TSTMS WITHIN 150 NM OF POINT 09S169W...AND
13S174E.

$$

.FORECASTER PECHACEK. HONOLULU HI.