278
FZPS40 PHFO 222304
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2330 UTC FRI AUG 22 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 22 2025.
24 HOUR FORECAST VALID 1800 UTC AUG 23 2025.
48 HOUR FORECAST VALID 1800 UTC AUG 24 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 25S155W 23S162W 11S180E 08S172E 06S160E MOVING W 10 KT S
OF 23S...AND NEARLY STATIONARY ELSEWHERE. WINDS 20 TO 30 KT S OF
TROUGH W OF 170W. SCATTERED MODERATE TO STRONG TSTMS WITHIN 180 NM
OF TROUGH W OF 170W.
.24 HOUR FORECAST TROUGH 25S167W 13S180E 06S160E. WINDS 20 TO
25 KT S OF TROUGH.
.48 HOUR FORECAST TROUGH 25S169W 18S172W. WINDS 20 TO 30 KT FROM
21S TO 18S BETWEEN 164W AND 172E. WINDS 20 TO 25 KT S OF 12S
BETWEEN 140W AND 164W.

.24 HOUR FORECAST NEW TROUGH 25S130W 19S133W.
.48 HOUR FORECAST TROUGH 25S126W 18S131W.

.48 HOUR FORECAST NEW FRONT 25S167E 18S163E 15S160E. WINDS 20 TO
30 KT S OF 20S BETWEEN FRONT AND 180E.

.48 HOUR FORECAST NEW TROUGH 12S164E 05S162E.

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

.SEAS 2.5 TO 4.0 M S OF LINE 25S157W 05S175E 04S160E. SEAS 2.5 TO
3.0 M E OF LINE 25S130W 08S152W 02S120W.
.24 HOUR FORECAST SEAS 2.5 TO 3.0 M S OF LINE 25S147W 07S160W
05S160E...AND E OF LINE 25S120W 08S135W 02S120W.
.48 HOUR FORECAST SEAS MAINLY 2.5 TO 4.0 M S OF 02S E OF 170W.
SEAS 2.5 TO 3.0 M S OF LINE 25S175W 14S175E 25S164E.

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

$$

.FORECASTER AHUE. HONOLULU HI.