273
FZPS40 PHFO 191536
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1730 UTC WED NOV 19 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 NOV 19 2025.
24 HOUR FORECAST VALID 1200 UTC NOV 20 2025.
48 HOUR FORECAST VALID 1200 UTC NOV 21 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW 21S130W 1007 MB MOVING SE SLOWLY. TROUGH FROM 25S123W TO
LOW TO 18S135W. WINDS 20 TO 30 KT WITHIN 90 NM OF LOW AND TROUGH.
ISOLATED MODERATE TSTMS WITHIN 180 NM OF LOW AND TROUGH.
.24 HOUR FORECAST LOW 25S126W 1011 MB. TROUGH 22S127W TO LOW
TO 25S126W. WINDS 20 TO 30 KT WITHIN 180 NM OF LOW AND TROUGH.
.48 HOUR FORECAST LOW AND TROUGH MOVED S OF AREA.

.TROUGH 18S172W 12S165W NEARLY STATIONARY. ISOLATED MODERATE
TSTMS WITHIN 270 NM OF TROUGH.
.24 HOUR FORECAST TROUGH 17S174W 14S168W 13S161W.
.48 HOUR FORECAST TROUGH 15S171W 15S143W.

.TROUGH 12S173E 10S169E MOVING E SLOWLY. ISOLATED MODERATE
TSTMS WITHIN 180 NM OF TROUGH.
.24 HOUR FORECAST TROUGH DISSIPATED.

.24 HOUR FORECAST NEW TROUGH 21S161E 13S160E.
.48 HOUR FORECAST TROUGH 21S161E 15S160E.

.WINDS 20 TO 30 KT S OF 15S BETWEEN 149W AND 172W.
.24 HOUR FORECAST WINDS 20 TO 30 KT S OF 16S BETWEEN 155W AND
175W.
.48 HOUR FORECAST WINDS 20 TO 30 KT S OF 15S BETWEEN 158W AND
177W.

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

.SEAS 2.5 TO 4 M S OF LINE 25S123W 21S129W 21S147W 13S155W
189S173W 25S177W.
.24 HOUR FORECAST SEAS 2.5 TO 4 M S OF LINE 23S120W 22S126W
24S137W 15S155W 15S170W 25S179E.
.48 HOUR FORECAST SEAS 4 TO 4.5 M FROM 21S TO 19S BETWEEN
169W AND 174W. SEAS 2.5 TO 4.5 M ELSEWHERE S OF 16S
BETWEEN 149W AND 178E.

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



$$

.FORECASTER . HONOLULU HI.