184
FZPS40 PHFO 101534
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1730 UTC SUN AUG 10 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 AUG 10 2025.
24 HOUR FORECAST VALID 1200 UTC AUG 11 2025.
48 HOUR FORECAST VALID 1200 UTC AUG 12 2025.

.WARNINGS.

...GALE WARNING...
.LOW 25S168E 1009 MB MOVING E 10 KT. TROUGH FROM LOW TO 22S166E
TO 19S162E. WINDS 30 TO 35 KT WITHIN 120 NM W OF LOW. WINDS 20
TO 30 KT ELSEWHERE S OF TROUGH.
.24 HOUR FORECAST LOW 25S172E 1010 MB. TROUGH FROM LOW TO 20S164E.
WINDS WINDS 20 TO 30 KT S OF 23S BETWEEN 169E AND 167E.
.48 HOUR FORECAST LOW MOVED S OF AREA. TROUGH 25S179W 23S175E.
WINDS 20 TO 25 KT S OF 22S BETWEEN 175W AND 179W.

.SYNOPSIS AND FORECAST.

.FRONT 25S146W 17S160W 14S167W MOVING E SLOWLY 10 KT S OF 17S AND
NEARLY STATIONARY ELSEWHERE.
.24 HOUR FORECAST FRONT 25S144W 21S151W.
.48 HOUR FORECAST FRONT 25S143W 20S149W.

.TROUGH 13S166E 10S160E NEARLY STATIONARY. ISOLATED MODERATE TSTMS
WITHIN 180 NM OF TROUGH.
.24 HOUR FORECAST TROUGH DISSIPATED.

.FRONT 25S171W 23S174W MOVING E 15 KT.
.24 HOUR FORECAST FRONT 25S166W 22S170W.
.48 HOUR FORECAST FRONT DISSIPATED.

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

.SEAS 4 TO 5 M S OF A LINE 25S 166E 21S160E. SEAS 2.5M TO
4 M ELSEWHERE N OF A LINE 25S177E 23S174E 24S167E 20S160E.
.24 HOUR FORECAST SEAS 4 TO 5 M S OF 23S BETWEEN 25S170E
25S165E. SEAS 2.5 M TO 4 M ELSEWHERE S OF A LINE 25S168W
23S175W 22S174E 22S167E 18S160E.
.48 HOUR FORECAST SEAS 2.5 TO 3 M S OF A LINE 25S154W
19S165W 25S166W. SEAS 2.5 TO 3M S OF 21S BETWEEN 25S176W
25S170E.

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

.SCATTERED MODERATE TSTMS N OF 11S BETWEEN 171W AND 178W.


$$

.FORECASTER THOMAS. HONOLULU HI.