150
FZPS40 PHFO 020323
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0530 UTC TUE SEP 02 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SEP 02 2025.
24 HOUR FORECAST VALID 0000 UTC SEP 03 2025.
48 HOUR FORECAST VALID 0000 UTC SEP 04 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 25S124W 22S129W THENCE TROUGH 19S140W 17S144W. FRONT
AND TROUGH MOVING SE 25 KT S OF 20S AND ELSEWHERE NEARLY
STATIONARY.
.24 HOUR FORECAST TROUGH 25S120W 22S130W 18S140W.
.48 HOUR FORECAST TROUGH 25S120W 21S130W 20S135W.

.TROUGH 25S155W 22S170W 22S174W MOVING E 30 KT.
.24 HOUR FORECAST TROUGH 25S140W 22S150W.
.48 HOUR FORECAST TROUGH MERGES WITH TROUGH MENTIONED ABOVE.

.TROUGH 16S174E 12S160E NEARLY STATIONARY.
.24 HOUR FORECAST TROUGH 16S169E 15S167E 12S160E.
.48 HOUR FORECAST TROUGH 20S169E 16S168E.

.48 HOUR FORECAST WINDS INCREASING TO 20 TO 25 KT FROM 20S
TO 10S BETWEEN 170E AND 175W.

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

.SEAS 2.5 TO 4 M S OF LINE 25S170E 15S175E 25S155W.
.24 HOUR FORECAST SEAS 2.5 TO 4 M S OF LINE 25S180W
15S170W 22S145W 22S135W 22S120W.
.48 HOUR FORECAST SEAS 2.5 TO 3 M S OF 10S BETWEEN 178W
AND 170E. SEAS 2.5 TO 4 M ELSEWHERE S OF LINE 25S170W
08S163W 25S130W.

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

.CONVERGENCE ZONE 13S154W 10S170W 08S180W 07S167E. ISOLATED
TSTMS WITHIN 150 NM OF CONVERGENCE ZONE W OF 175W.

.ISOLATED MODERATE TSTMS WITHIN 150 NM OF LINE 13S167E
20S175E.

$$

.FORECASTER PECHACEK. HONOLULU HI.