970
FZPS40 PHFO 190245
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0530 UTC SAT JUL 19 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 JUL 19 2025.
24 HOUR FORECAST VALID 0000 UTC JUL 20 2025.
48 HOUR FORECAST VALID 0000 UTC JUL 21 2025.

.WARNINGS.


.NONE.

.SYNOPSIS AND FORECAST.
.FRONT 25S162E 23S161E 21S160E MOVING E 20 KT. ISOLATED MODERATE
TSTMS WITHIN 120 NM E OF FRONT.
.24 HOUR FORECAST FRONT 25S169E 20S164E 15S160E.
.48 HOUR FORECAST FRONT 25S175E 20S169E 19S160E.

.FRONT 25S168W 21S172W 17S178W MOVING E 15 KT.
.24 HOUR FORECAST FRONT 25S151W 21S156W.
.48 HOUR FORECAST FRONT DISSIPATED.

.TROUGH 25S125W 23S126W 18S132W 18S138W 16S145W 16S148W 14S152W
NEARLY STATIONARY.
.24 HOUR FORECAST TROUGH 25S122W 18S128W 18S141W 14S146W.
.48 HOUR FORECAST TROUGH 22S120W 17S130W 19S140W 06S168W.

.TROUGH 08S160E 09S168E 13S179W MOVING W 10 KT E OF 165E AND NEARLY
STATIONARY AND DISSIPATING ELSEWHERE. ISOLATED MODERATE TSTMS
WITHIN 180 NM OF TROUGH W OF 169E.
.24 HOUR FORECAST TROUGH 06S160E 10S164E.
.48 HOUR FORECAST TROUGH 13S160E 15S172E.

.TROUGH 13S160E 15S161E 16S164E MOVING W SLOWLY. ISOLATED MODERATE
TSTMS WITHIN 150 NM E OF TROUGH.
.24 HOUR FORECAST TROUGH MOVED W OF AREA.

.24 HOUR FORECAST TROUGH 17S162W 12S171W.
.48 HOUR FORECAST TROUGH 18S162W 14S175W.

.24 HOUR FORECAST WINDS 20 TO 25 KT N OF 10S BETWEEN 131W AND 162W.
.48 HOUR FORECAST WINDS DECREASED TO 20 KT OR LESS.

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


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


$$


.FORECASTER TSAMOUS. HONOLULU HI.