453
FZPS40 PHFO 041129
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1130 UTC THU SEP 04 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SEP 04 2025.
24 HOUR FORECAST VALID 0600 UTC SEP 05 2025.
48 HOUR FORECAST VALID 0600 UTC SEP 06 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 15S166E 21S168E 25S167E NEARLY STATIONARY. ISOLATED
MODERATE TSTMS WITHIN 120 NM OF TROUGH.
.24 HOUR FORECAST TROUGH 19S166E 25S166W.
.48 HOUR FORECAST TROUGH STRENGTHENED TO FRONT 20S168E
25S173E.

.TROUGH 06S170W 11S167W 16S162W MOVING W 15 KT. ISOLATED
MODERATE TSTMS WITHIN 180 NM OF TROUGH.
.24 HOUR FORECAST TROUGH 08S176E 17S170W.
.48 HOUR FORECAST TROUGH 07S172E 15S179E.

.WINDS 20 TO 25 KT FROM 07S TO 17S BETWEEN 174W AND 171E.
.24 HOUR FORECAST WINDS 20 TO 25 KT BOUNDED BY AREA 18S163W
09S176E 07S162E 23S175W 21S163W 18S163W.
.48 HOUR FORECAST WINDS 20 TO 25 KT S OF 16S BETWEEN 161W
AND 173W. WINDS 20 TO 25 KT S OF A LINE 25S171E 18S168E
14S160E.

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

.SEAS 4 TO 4.5 M S OF A LINE 25S130W 21S136W 25S139W. SEAS 2.5 TO
4 M ELSEWHERE S OF A LINE 25S127W 17S138W 08S155W 08S174E 25S167E.
.24 HOUR FORECAST SEAS 2.5 TO 4 M BOUNDED BY AREA 20S120W 09S128W
11S136W 23S134W 04S169E 12S161E 25S177E 25S120W 20S120W.
.48 HOUR FORECAST SEAS 2.5 TO 4 M BOUNDED BY AREA 06S120W 06S125W
19S134W 06S157W 05S160E 25S160E 25S120W 06S120W.

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

$$

.FORECASTER THOMAS. HONOLULU HI.