676
FZPS40 PHFO 132319
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2330 UTC SUN JUL 13 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC JUL 13 2025.
24 HOUR FORECAST VALID 1800 UTC JUL 14 2025.
48 HOUR FORECAST VALID 1800 UTC JUL 15 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 25S177W 21S178W 17S177E THENCE TROUGH TO 08S164E 07S160E.
FRONT AND TROUGH MOVING E 10 KT E OF 164E. TROUGH MOVING W SLOWLY
ELSEWHERE. WINDS 20 TO 30 KT S OF 22S BETWEEN FRONT AND 170W.
SCATTERED MODERATE TSTMS WITHIN 300 NM OF FRONT...AND WITHIN
180 NM OF TROUGH.
.24 HOUR FORECAST FRONT 25S170W 19S176W THENCE TROUGH TO 08S179E
03S174E. WINDS EASED TO 20 KT OR LESS.
.48 HOUR FORECAST FRONT 25S165W 21S171W THENCE TROUGH TO 11S171E
04S164E.

.TROUGH 10S170W 07S177W 04S177E MOVING W 10 KT. SCATTERED MODERATE
TSTMS WITHIN 210 NM OF TROUGH.
.24 HOUR FORECAST TROUGH MERGED WITH FRONT AND TROUGH DESCRIBED
IMMEDIATELY ABOVE.

.FRONT 25S141W 21S147W THENCE TROUGH TO 19S151W 16S157W. FRONT AND
TROUGH MOVING E 15 KT. SCATTERED MODERATE TSTMS S OF 22S BETWEEN
FRONT AND 133W.
.24 HOUR FORECAST FRONT 25S134W 19S140W THENCE TROUGH TO 16S146W.
.48 HOUR FORECAST FRONT 25S127W 17S137W. TROUGH DISSIPATED.

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

.SEAS 2.5 TO 4.0 M S OF LINE 25S170W 10S160E...N OF 18S BETWEEN
140W AND 177W...AND E OF 140W.
.24 HOUR FORECAST SEAS 2.5 TO 4.0 M S OF LINE 25S170W 14S176E
10S160E...AND N OF 10S E OF 140W.
.48 HOUR FORECAST SEAS MAINLY 2.5 TO 3.5 M S OF 10S BETWEEN 169W
AND 169E...AND N OF 10S E OF 135W.

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

$$

.FORECASTER AHUE. HONOLULU HI.