764
FZPS40 PHFO 211011
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1130 UTC FRI NOV 21 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC NOV 21 2025.
24 HOUR FORECAST VALID 0600 UTC NOV 22 2025.
48 HOUR FORECAST VALID 0600 UTC NOV 23 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 25S123W 19S140W 17S159W 15S168W 13S175W MOVING
SE SLOWLY S OF 20S...AND NEARLY STATIONARY ELSEWHERE. SCATTERED
MODERATE TSTMS WITHIN 300 NM OF TROUGH WE OF 140W...AND WITHIN 210
NM ELSEWHERE.
.24 HOUR TROUGH STRENGTHENED TO FRONT 25S120W 21S128W THENCE
TROUGH 14S140W 18S154W 14S176W.
.48 HOUR FORECAST FRONT MOVED S OF AREA. TROUGH 22S120W 17S135W
18S161W 16S170W.

.TROUGH 25S176E 12S173E 06S160E MOVING SW SLOWLY. ISOLATED
MODERATE TSTMS WITHIN 300 NM OF TROUGH.
.24 HOUR FORECAST TROUGH 25S177E 16S173E 09S160E.
.48 HOUR FORECAST NEW LOW 22S177E 1002 MB. TROUGH 25S178E TO LOW
TO 16S175E 07S160E.

.WINDS 20 TO 30 KT S OF 15S BETWEEN 179W AND 146W.
.24 HOUR FORECAST WINDS 20 TO 30 KT S OF 17S BETWEEN 177W AND
146W.
.48 HOUR FORECAST WINDS 20 TO 30 KT S OF 17S BETWEEN 176E AND
140W.

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

.SEAS 2.5 TO 4.0 M S OF LINE 25S170W 15S179W 18S146W 24S134W
25S120W.
.24 HOUR FORECAST SEAS 2.5 TO 4.0 M S OF LINE 25S169E 16S179W
16S162W 17S146W 22S137W 22S120W.
.48 HOUR FORECAST SEAS 2.5 TO 4.0 M S OF LINE 25S165E 15S174W
17S147W 25S156W.

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


$$

.FORECASTER PIERCE. HONOLULU HI.