597
FZPS40 PHFO 311528
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1730 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC AUG 31 2025.
24 HOUR FORECAST VALID 1200 UTC SEP 01 2025.
48 HOUR FORECAST VALID 1200 UTC SEP 02 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 24S144W 21S151W MOVING E 15 KT.
.24 HOUR FORECAST FRONT 25S129W 20S138W THENCE TROUGH 16S162W.
.48 HOUR FORECAST FRONT 25S120W 20S136W THENCE TROUGH 16S151W.

.FRONT 24S173E 25S179E MOVING E 30 KT.
.24 HOUR FORECAST FRONT 25S170E 22S174W.
.48 HOUR FORECAST FRONT MOVED S OF AREA.

.TROUGH 25S138W 17S155W 16S165W MOVING E 15 KT.
.24 HOUR FORECAST TROUGH MERGED WITH FIRST FRONT ABOVE.

.WINDS 20 KT OR LESS OVER ENTIRE FORECAST AREA.

.SEAS 2.5 TO 3 M E OF LINE 03S153W 25S134W.
.24 HOUR FORECAST SEAS 2.5 TO 4 M S OF 20S AND W OF 180E. SEAS
2.5 TO 3 M E OF LINE 25S125W 00S38W.
.48 HOUR FORECAST SEAS 2.5 TO 4 M S OF LINE 25S130W 20S170W
14S175E 25S165E. SEAS 2.5 TO 3 M E OF 130W N OF 15S.

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

.ISOLATED MODERATE TSTMS WITHIN 150 NM OF POINT 08S173W.

$$

.FORECASTER M BALLARD. HONOLULU HI.