748
FZPS40 PHFO 241527
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1730 UTC SUN AUG 24 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 24 2025.
24 HOUR FORECAST VALID 1200 UTC AUG 25 2025.
48 HOUR FORECAST VALID 1200 UTC AUG 26 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 25S164E 22S165E 17S163E NEARLY STATIONARY. ISOLATED
MODERATE TSTMS WITHIN 180 NM OF FRONT.
.24 HOUR FORECAST FRONT 25S173E 16S166E.
.48 HOUR FORECAST FRONT 25S179E 18S172E.

.TROUGH 25S168W 21S160W MOVING E 15 KT. ISOLATED MODERATE TSTMS
WITHIN 180 NM OF TROUGH.
.24 HOUR FORECAST TROUGH MOVED S OF AREA.

.TROUGH 21S160W 19S160W MOVING E 10 KT.
.24 HOUR FORECAST TROUGH DISSIPATED.

.FRONT 29S120W 25S127W NEARLY STATIONARY.
.24 HOUR FORECAST FRONT WEAKENS TO TROUGH 25S120W 22S126W.
.48 HOUR FORECAST TROUGH DISSIPATED.

.WINDS 20 TO 30 KT S OF 20S BETWEEN 174E AND 167E. WIND 20 TO 25
KT FROM 21S TO 18S BETWEEN 164W AND 169W.
.24 HOUR FORECAST WINDS 20 TO 30 KT S OF 22S BETWEEN 176W AND
175E.
.48 HOUR FORECAST WINDS 20 TO 25 KT S OF 19S BETWEEN 178E AND
174E.

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

.SEAS 2.5 TO 3.5 M S OF A LINE FROM 25S136W 09S153W
16S174W 23S179E 15S172E 25S165E. SEAS 2.5 TO 3.5 M FROM
17S TO 04S E OF 131W.
.24 HOUR FORECAST SEAS 2.5 TO 4 M S OF A LINE 03S120W 05S139W
10S143W 03S160W 10S165W 18S170W 21S160E.
.48 HOUR FORECAST SEAS 2.5 TO 4 M S OF A LINE 03S120W 05S166W
25S175W. SEAS 2.5 TO 4 M S OF A LINE 25S169E 19S160E.

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

.ISOLATED MODERATE TSTMS N OF 10S W OF 175E.

$$

.FORECASTER THOMAS. HONOLULU HI.