292
FZPS40 PHFO 200342
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0530 UTC THU NOV 20 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC NOV 20 2025.
24 HOUR FORECAST VALID 0000 UTC NOV 21 2025.
48 HOUR FORECAST VALID 0000 UTC NOV 22 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW NEAR 24S128W 1009 MB MOVING SE SLOWLY. TROUGH FROM 25S126W
TO LOW TO 16S139W TO 11S152W NEARLY STATIONARY. WINDS 20 TO 30 KT
S OF 22S E OF 130W. SCATTERED MODERATE TSTMS S OF 21S WITHIN 270
NM E OF LOW AND TROUGH.
.24 HOUR FORECAST LOW MOVED S OF AREA. NEW FRONT 25S124W 22S127W
THENCE TROUGH 17S135W 13S153W 13S164W. WINDS EASED TO 20 KT OR
LESS.
.48 HOUR FORECAST FRONT MOVED S OF AREA. TROUGH 15S133W 11S147W.

.TROUGH 17S176W 14S170W 08S167W NEARLY STATIONARY. ISOLATED
MODERATE TSTMS FROM 18S TO 06S BETWEEN 172W AND 159W.
.24 HOUR FORECAST NEW LOW NEAR 14S178W 1007 MB. TROUGH FROM 14S170W
TO 10S179E.
.48 HOUR FORECAST LOW NEAR 15S179W 1006 MB. TROUGH FROM 16S162W
TO LOW TO 13S178E.

.TROUGH 25S176E 21S174E MOVING W 10 KT. ISOLATED MODERATE TSTMS S
OF 20S BETWEEN 175E AND 179E.
.24 HOUR FORECAST TROUGH 25S172E 17S169E.
.48 HOUR FORECAST TROUGH MERGES WITH TROUGH DESCRIBED BELOW.

.TROUGH 13S172E 09S168E 06S163E NEARLY STATIONARY. ISOLATED
MODERATE TSTMS FROM 12S TO 04S BETWEEN 163E AND 175E.
.24 HOUR FORECAST TROUGH 13S171E 05S160E.
.48 HOUR FORECAST TROUGH 25S172E 19S171E 12S160E.

.24 HOUR FORECAST NEW TROUGH 25S135W 21S135W.
.48 HOUR FORECAST TROUGH 25S130W 22S130W.

.WINDS 20 TO 30 KT S OF 15S BETWEEN 176W AND 145W.
.24 HOUR FORECAST WINDS 20 TO 25 KT S OF 15S BETWEEN 179W AND
150W.
.48 HOUR FORECAST WINDS 20 TO 25 KT S OF 14S BETWEEN 179E AND
151W.

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

.SEAS 2.5 TO 4 M S OF LINE 25S179W 15S174W 13S159W 25S140W. SEAS
2.5 TO 3 M S OF 20S E OF 132W.
.24 HOUR FORECAST SEAS 2.5 TO 4 M S OF LINE 25S173E 19S179E
14S179W 14S156W 20S144W 22S143W 22S124W 25S120W.
.48 HOUR FORECAST SEAS 2.5 TO 4 M S OF LINE 25S170E 19S174E
19S178W 15S179W 17S146W 22S137W 20S125W 22S120W.

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

.SCATTERED MODERATE TSTMS FROM 21S TO 11S W OF 165E. ISOLATED
MODERATE TSTMS FROM 18S TO 15S BETWEEN 176E AND 179E.

$$

.FORECASTER TROTTER. HONOLULU HI.