316
FZPS40 PHFO 290328
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0530 UTC FRI AUG 29 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 29 2025.
24 HOUR FORECAST VALID 0000 UTC AUG 30 2025.
48 HOUR FORECAST VALID 0000 UTC AUG 31 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 23S120W 19S128W 18S132W 17S143W 17S153W MOVING E 15 KT E
OF 136W AND NEARLY STATIONARY ELSEWHERE.
.24 HOUR FORECAST FRONT 20S120W 18S126W THENCE TROUGH 17S142W
17S154W 15S164W.
.48 HOUR FORECAST FRONT WEAKENED TO TROUGH 20S122W 18S136W
20S143W 14S163W.

.FRONT 25S167W 20S173W THENCE TROUGH 16S175W 12S176W 09S178W.
FRONT MOVING E SLOWLY AND TROUGH NEARLY STATIONARY. ISOLATED
MODERATE TSTMS FROM 14S TO 10S BETWEEN 177W AND 171W.
.24 HOUR FORECAST FRONT 25S162W 21S170W THENCE TROUGH 17S175W
05S179E.
.48 HOUR FORECAST FRONT 25S152W 21S162W. TROUGH DETACHED 16S178E
10S174E 05S164E.

.TROUGH 15S167E 11S167E 08S169E MOVING NW 10 KT.
.24 HOUR FORECAST TROUGH 13S165E 09S164E 04S160E.
.48 HOUR FORECAST TROUGH MERGED WITH TROUGH DESCRIBED ABOVE.

.FRONT 25S162E 24S160E MOVING ESE 15 KT.
.24 HOUR FORECAST FRONT MOVED S OF AREA.

.48 HOUR FORECAST NEW FRONT 25S170E 21S164E 20S160E.

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

.SEAS 2.5 TO 4 M S OF LINE 25S156W 19S156W 09S171W 10S161W
01S153W 02S135W 00S130W EXCEPT IN AREA BOUNDED BY 16S152W 07S144W
08S138W 17S132W 16S152W.
.24 HOUR FORECAST SEAS 2.5 TO 4 M S OF 05S E OF 148W. SEAS 2.5 TO
3 M FROM 14S TO 04S BETWEEN 162W AND 150W.
.48 HOUR FORECAST SEAS 2.5 TO 3 M S OF 04S E OF 140W.

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

$$

.FORECASTER TROTTER. HONOLULU HI.