408
FZPS40 PHFO 292308
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1730 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC AUG 29 2025.
24 HOUR FORECAST VALID 1200 UTC AUG 30 2025.
48 HOUR FORECAST VALID 1200 UTC AUG 31 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 21S120W 19S127W 17S136W 19S147W MOVING E 15 KT S OF 19S
AND NEARLY STATIONARY ELSEWHERE.
.24 HOUR FORECAST FRONT 19S120W 17S127W THENCE TROUGH 18S139W
20S147W.
.48 HOUR FORECAST FRONT AND TROUGH DISSIPATED.

.FRONT 25S162W 21S169W THENCE TROUGH 17S175W 12S179W 07S179W.
FRONT AND TROUGH S OF 15S MOVING E 10 KT. TROUGH MOVING W 10 KT
ELSEWHERE. SCATTERED MODERATE TSTMS FROM 10S TO 14S BETWEEN 176W
AND 176E.
.24 HOUR FORECAST FRONT 25S155W 21S164W THENCE TROUGH 15S167W.
SECOND DETACHED TROUGH 15S176E 08S171E.
.48 HOUR FORECAST FRONT 25S137W 19S143W THENCE TROUGH 15S156W
14S164W. SECOND DETACHED TROUGH DISSIPATED W OF AREA.

.24 HOUR FORECAST NEW FRONT NEAR 25S160E.
.48 HOUR FORECAST FRONT 25S169E 21S160E.

.WINDS 20 KT OR LESS OVER ENTIRE FORECAST AREA.

.SEAS MAINLY 2.5 TO 4.0 M E OF LINE 25S146W 17S166W 02S157W.
.24 HOUR FORECAST SEAS 2.5 TO 3.0 M S OF 05S E OF 140W.
.48 HOUR FORECAST SEAS 2.5 TO 4.0 M S OF LINE 22S180E 20S160E.
SEAS MAINLY 2.5 TO 3.0 M S OF 03S E OF 135W.

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

.ISOLATED MODERATE TSTMS FROM W OF LINE 08S160E 00S173E.

$$

.FORECASTER AHUE. HONOLULU HI.