272
FZPN40 PHFO 280255
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC THU AUG 28 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E

SYNOPSIS VALID 0000 UTC AUG 28 2025.
24 HOUR FORECAST VALID 0000 UTC AUG 29 2025.
48 HOUR FORECAST VALID 0000 UTC AUG 30 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW NEAR 10N145W 1009 MB MOVING NW 10 KT. WINDS 20 TO 25 KT AND
SEAS 2.5 TO 3 M WITHING 90 NM N SEMICIRCLE. ISOLATED MODERATE
TSTMS WITHIN 90 NM OF LOW.
.24 HOUR FORECAST LOW 12N148W 1010 MB. WINDS 20 TO 25 KT AND SEAS
2.5 TO 3 M WITHIN 90 NM N SEMICIRCLE OF LOW.
.48 HOUR FORECAST LOW 13N152W 1010 MB. WINDS 20 TO 25 KT AND SEAS
2.5 TO 3 M WITHIN 90 NM N SEMICIRCLE OF LOW.

.LOW NEAR 11N158W 1010 MB. TROUGH 14N157W TO LOW. LOW AND TROUGH
MOVING W 15 KT. NE WINDS 20 TO 25 KT AND SEAS 2.5 TO 3 M WITHIN
210 NM N AND W OF LOW AND TROUGH. ISOLATED MODERATE TO STRONG
TSTMS WITHIN 120 NM NW OF LOW.
.24 HOUR FORECAST LOW NEAR 13N164W 1011 MB. TROUGH 14N160W TO LOW
TO 12N164W. WINDS 20 TO 25 KT AND SEAS 2.5 TO 3.5 M FROM 10N TO
15N BETWEEN 160W AND 165W.
.48 HOUR FORECAST 14N168W 1010 MB. TROUGH 15N166W 11N167W. WINDS
EASED TO 20 KT OR LESS AND SEAS EASED TO 2.5 M OR LESS.

.LOW 12N171W 1011 MB. TROUGH 14N168W TO LOW TO 10N171W MOVING W 15
KT AND DISSIPATING.
.24 HOUR TROUGH AND LOW DISSIPATED.

.TROUGH 28N173E 24N172E MOVING W 10 KT AND DISSIPTING.
.24 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH 30N158W 28N162W 26N164W NEARLY STATIONARY.
.24 HOUR FORECAST TROUGH 30N162W 26N163W.
.48 HOUR FORECAST TROUGH 30N157W 28N161W 24N163W.

.WINDS 20 KT OR LESS REMAINDER OF FORECAST AREA.

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

.MONSOON TROUGH 11N140W 11N145W. ITCZ 09N158W 07N162W 10N176E 06N160E.
NUMEROUS MODERATE TO STRONG TSTMS FROM 01N TO 10N W OF 172E.
SCATTERED MODERATE TSTMS WITHIN 120 NM OF ITCZ BETWEN 180W AND
172E. ISOLATED MODERATE TSTMS ELSEWHERE WITHIN 150 NM OF ITCZ.


$$

.FORECASTER ALMANZA. HONOLULU HI.