182
FZPS40 PHFO 021524
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1730 UTC TUE SEP 02 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SEP 02 2025.
24 HOUR FORECAST VALID 1200 UTC SEP 03 2025.
48 HOUR FORECAST VALID 1200 UTC SEP 04 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 22S172E 12S163E MOVING W SLOWLY. ISOLATED
MODERATE TSTMS WITHIN 150 NM OF TROUGH.
.24 HOUR FORECAST TROUGH LITTLE CHANGE.
.48 HOUR FORECAST TROUGH MOVED W OF AREA.

.TROUGH 11S177E 08S174E MOVING W 15 KT. ISOLATED MODERATE
TSTMS WITHIN 210 NM OF TROUGH.
.24 HOUR FORECAST TROUGH 12S170E 08S169E.
.48 HOUR FORECAST TROUGH 12S162E 09S160E.

.TROUGH 10S167W 05S170W MOVING W 10 KT. ISOLATED MODERATE
TSTMS WITHIN 180 NM OF TROUGH.
.24 HOUR FORECAST TROUGH 13S171W 07S173W.
.48 HOUR FORECAST TROUGH 10S179E 05S178E.

.TROUGH 25S120W 24S125W NEARLY STATIONARY.
.24 HOUR FORECAST TROUGH DISSIPATED.

.48 HOUR FORECAST WINDS 20 TO 25 KT FROM 21S TO 08S BETWEEN
173W AND 172E.

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

.SEAS 4 TO 4.5 M S OF 23S BETWEEN 160W AND 165W. SEAS
2.5 TO 4 M ELSEWHERE S OF A LINE 25S154W 10S177E 25S168E.
.24 HOUR FORECAST SEAS 4 TO 4.5 M S OF 21S BETWEEN 140W
AND 154W. SEAS 2.5 TO 4.0 M ELSEWHERE S OF A LINE 25S136W
16S152W 12S162W 25S172W. SEAS 2.5 TO 3 M S OF 12S BETWEEN
179E AND 170E.
.48 HOUR FORECAST SEAS 4 TO 4.5 M S OF 23S BETWEEN 129W
AND 136W. SEAS 2.5 TO 4 M ELSEWHERE S OF A LINE 25S126W
16S136W 06S154W 14S170W 08S179W 10S171E 25S166E.

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

.ISOLATED MODERATE TSTMS WITHIN 150 NM OF LINE 13S167E
20S175E.

$$

.FORECASTER THOMAS. HONOLULU HI.