513
FZPS40 PHFO 132312
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2330 UTC WED AUG 13 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC AUG 13 2025.
24 HOUR FORECAST VALID 1800 UTC AUG 14 2025.
48 HOUR FORECAST VALID 1800 UTC AUG 15 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 25S162W 20S166W...THENCE TROUGH 15S172W. FRONT MOVING E 15
KT AND TROUGH MOVING NE SLOWLY. WINDS 20 TO 30 KT S OF 21S
BETWEEN 156W AND 172W.
.24 HOUR FORECAST FRONT 25S152W 19S160W...THENCE TROUGH 12S170W.
WINDS 20 TO 30 KT S OF 22S BETWEEN 140W AND 161W.
.48 HOUR FORECAST FRONT 25S142W 19S149W...THENCE TROUGH 12S167W.
WINDS 20 TO 25 KT S OF 22S BETWEEN 130W AND 143W.

.FRONT 25S132W TO 21S138W...THENCE TROUGH 14S151W.
.24 HOUR FORECAST FRONT WEAKENING 20S120W TO 27S128W. TROUGH
DISSIPATED.
.48 HOUR FORECAST FRONT DISSIPATED.

.24 HOUR FORECAST NEW TROUGH 20S169E 08S164E. WINDS 20 TO 25 KT
FROM 20S TO 14S W OF 172E.
.48 HOUR FORECAST TROUGH 24S177E 16S175E 08S163E. WINDS 20 TO 30
KT S OF 16S BETWEEN 173W AND 173E.

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

.SEAS 2.5 TO 3 M S OF A LINE FROM 25S130W TO 20S140W TO 21S172W
TO 25S173W.
.24 HOUR FORECAST SEAS 2.5 TO 4 M S OF 21S E OF 166W.
.48 HOUR FORECAST SEAS 2.5 TO 4 M S OF LINE 25S140W 20S153W
25S160W. SEAS 2.5 TO 3 M S OF A LINE FROM 25S174W 17S172E.

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

.ISOLATED MODERATE TSTMS FROM 15S TO 05S W OF 180E.

$$

.FORECASTER FOSTER. HONOLULU HI.