600
FZPS40 PHFO 221526
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1730 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC AUG 22 2025.
24 HOUR FORECAST VALID 1200 UTC AUG 23 2025.
48 HOUR FORECAST VALID 1200 UTC AUG 24 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 25S155W 11S180W 06S160E NEARLY STATIONARY. WINDS 20 TO 30
KT S OF TROUGH W OF 170W. SCATTERED STRONG TO MODERATE TSTMS
WITHIN 120 NM OF TROUGH W OF 175W.
.24 HOUR FORECAST TROUGH 25S160W 13S180W 06S160E. WINDS 20 TO 25
KT S OF TROUGH.
.48 HOUR FORECAST TROUGH 25S168W 18S172W. WINDS 20 TO 30 KT
WITHIN 240 NM E OF TROUGH S OF 19S. WINDS 20 TO 25 KT ELSEWHERE S
OF 17S BETWEEN 140W AND 170W.

.TROUGH 13S150W 19S146W 20S145W NEARLY STATIONARY.
.24 HOUR FORECAST TROUGH DISSIPATED.

.24 HOUR FORECAST NEW TROUGH 25S128W 19S133W.
.48 HOUR FORECAST TROUGH 25S126W 18S131W.

.48 HOUR FORECAST NEW FRONT 25S163E 18S163E 14S160E. WINDS 20 TO
25 KT S OF 20S BETWEEN 180W AND FRONT.

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

.SEAS 2.5 TO 4 M S OF LINE 25S157W 05S175E 04S160E. SEAS 2.5 TO 3
M S OF 05S E OF 132W.
.24 HOUR FORECAST SEAS 2.5 TO 3 M S OF LINE 25S147W 07S160W
05S160E.
.48 HOUR FORECAST SEAS 2.5 TO 4 M S OF LINE 25S131W 06S150W
07S170W 25S171W. SEAS 2.5 TO 3 M S OF 17S BETWEEN 180W AND
163E...AND FROM 16S TO 04S E OF 130W.

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

.ISOLATED MODERATE TSTMS WITHIN 90 NM OF A POINT 21S125W.

$$

.FORECASTER ALMANZA. HONOLULU HI.