478
FZPS40 PHFO 281523
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1730 UTC SAT JUN 28 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 JUN 28 2025.
24 HOUR FORECAST VALID 1200 UTC JUN 29 2025.
48 HOUR FORECAST VALID 1200 UTC JUN 30 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 25S120W 22S138W THENCE TROUGH 20S146W 16S155W. FRONT
NEARLY STATIONARY TROUGH MOVING S SLOWLY. WINDS 20 TO 30 KT S OF
LINE 21S133W 19S147W 16S160W 20S170W 25S175W.
.24 HOUR FORECAST STATIONARY FRONT 25S120W 21S141W THENCE TROUGH
22S147W 15S157W. WINDS 20 TO 30 KT S OF LINE 22S135W 16S153W.
.48 HOUR FORECAST WEAK FRONT 25S120W 21S138W. TROUGH DETACHED
15S157W 21S153W 25S155W. WINDS 20 TO 30 KT S OF LINE 25S125W
23S130W 22S140W 23S155W.

.FRONT 25S177W 21S178W THENCE TROUGH 15S179W 08S174E 06S170E
06S160E. FRONT MOVING E 10 KT. TROUGH NEARLY STATIONARY.
SCATTERED STRONG TO MODERATE TSTMS FROM 13S TO 08S BETWEEN 178W
AND 171E. ISOLATED MODERATE TSTMS ELSEWHERE WITHIN 180 NM N OF
TROUGH.
.24 HOUR FORECAST FRONT 25S172W 20S172W THENCE TROUGH 10S174E
08S172E.
.48 HOUR FORECAST FRONT 25S167W 23S167W THENCE TROUGH 18S171W
16S176E 10S169E.

.WINDS 20 KT OR LESS REMAINDER OF FORECAST AREA.

.SEAS 4 TO 5.5 M S OF LINE 23S120W 19S130W 16S160W 25S176E. SEAS
2.5 TO 4 M ELSEWHERE S OF LINE 21S120W 16S130W 10S160W 18S170E
14S160E.
.24 HOUR FORECAST SEAS 4 TO 5 M S OF LINE 13S120W 15S130W 20S140W
15S160W 24S173W 21S170E. SEAS 2.5 TO 4 M ELSEWHERE S OF LINE
05S120W 10S140W 17S142W 10S160W 18S180W 12S160W.
.48 HOUR FORECAST SEAS 2.5 TO 4 M S OF LINE 01S120W 10S138W
18S140W 16S170W 13S180W 13S160E.

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

.ISOLATED MODERATE TSTMS WITHIN 120 NM OF POINT 11S164W...AND
POINT 02S174W.



$$

.FORECASTER ALMANZA. HONOLULU HI.