410
FZPS40 PHFO 171534
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1730 UTC THU JUL 17 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 17 2025.
24 HOUR FORECAST VALID 1200 UTC JUL 18 2025.
48 HOUR FORECAST VALID 1200 UTC JUL 19 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 25S177E 23S165E MOVING E 10 KT.
.24 HOUR FORECAST FRONT 25S175W 21S168E.
.48 HOUR FORECAST FRONT 25S164W 19S176W.

.FRONT 23S120W 18S136W 16S149W MOVING E SLOWLY.
.24 HOUR FORECAST FRONT 23S120W 18S135W THENCE TROUGH 13S157W.
.48 HOUR FORECAST FRONT 23S120W 18S133W THENCE TROUGH 15S153W.

.TROUGH 17S162W 08S176W 05S167E MOVING SW SLOWLY. ISOLATED
MODERATE TSTMS WITHIN 180 NM OF TROUGH N OF 13S.
.24 HOUR FORECAST TROUGH 17S164W 09S179W 06S166E.
.48 HOUR FORECAST TROUGH 17S170W 12S175W 06S164E.

.FRONT 25S150W 25S158W MOVING E 10 KT.
.24 HOUR FORECAST FRONT 25S143W 23S150W.
.48 HOUR FORECAST FRONT MOVED S OF AREA.

.WINDS 20 KT OR LESS OVER ENTIRE FORECAST AREA.

.SEAS 2.5 TO 3 M N OF 11S E OF 130W...AND N OF 05S BETWEEN
161W TO 135W.
.24 HOUR FORECAST SEAS 2.5 TO 3 M S OF 04S EAST OF 132W... AND
N OF 08S BETWEEN 159W AND 150W.
.48 HOUR FORECAST SEAS 2.5 TO 3 M E OF LINE 25S120W 04S141W...
AND S OF 22S BETWEEN 168W 175E.

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

$$

.FORECASTER M BALLARD. HONOLULU HI.