482
FZPS40 PHFO 301507
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1730 UTC WED JUL 30 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 JUL 30 2025.
24 HOUR FORECAST VALID 1200 UTC JUL 31 2025.
48 HOUR FORECAST VALID 1200 UTC AUG 01 2025.

.WARNINGS.

...GALE WARNING...

.LOW NEAR 21S175W 1001 MB MOVING ESE 10 KT. FRONT 25S176W TO LOW
TO 17S175W 15S178W THENCE TROUGH 10S170E 05S160E MOVING SE 20 KT.
WINDS 35 TO 40 KT S OF 20S BETWEEN FRONT AND 170W. WINDS 20 TO 30
KT S ELSEWHERE OF LINE 25S161W 18S146W 15S164W 19S178E 24S179W
25S176W. ISOLATED MODERATE TSTMS S OF 11S BETWEEN FRONT AND 164W.
.24 HOUR FORECAST LOW NEAR 23S171W 1006 MB. FRONT 25S171W TO LOW
TO 17S170W THENCE TROUGH 10S175E 03S160E. WINDS 30 TO 35 KT FROM
24S TO 22S BETWEEN 166W AND 162W. WINDS 20 TO 30 KT ELSEWHERE S OF
LINE 25S160W 17S157W 25S170W...AND FROM 23S TO 20S BETWEEN 174W
AND 169W.
.48 HOUR FORECAST LOW AND FRONT MOVE S OF AREA. TROUGH 25S158W
19S160W 11S178E 09S160E. WINDS 20 TO 30 KT S OF LINE 25S152W
20S154W 25S160W.

.SYNOPSIS AND FORECAST.

.FRONT 25S131W 20S139W THENCE TROUGH 15S158W 15S164W MOVING E
SLOWLY.
.24 HOUR FORECAST FRONT 25S128W 18S136W THENCE TROUGH 15S150W
17S160W. WINDS 20 TO 25 KT S OF LINE 25S122W 20S133W 20S139W
25S142W.
.48 HOUR FORECAST FRONT 25S121W 17S129W THENCE TROUGH 15S141W
15S151W. WINDS EASED 20 KT OR LESS.

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

.SEAS 4 TO 5 M S OF 19S BETWEEN 177W AND 170W. SEAS 2.5 TO 4 M
ELSEWHERE S OF LINE 25S127W 13S162W 14S174W 25S173E.
.24 HOUR FORECAST SEAS 4 TO 5.5 M S OF 21S BETWEEN 172W AND
162W...AND S OF 21S BETWEEN 155W AND 126W. SEAS 2.5 TO 4 M
ELSEWHERE S OF LINE 25S120W 14S153W 19S175W 25S179E.
.48 HOUR FORECAST SEAS 4 TO 5 M S OF LINE 22S120W 19S130W 21S141W
25S145W. SEAS 2.5 TO 4 M ELSEWHERE S OF LINE 17S120W 15S140W
13S157W 23S176W 21S173E 25S172E.

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


$$

.FORECASTER PIERCE. HONOLULU HI.