770
FZPN40 PHFO 091005
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1100 UTC THU OCT 09 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC OCT 09 2025.
24 HOUR FORECAST VALID 0600 UTC OCT 10 2025.
48 HOUR FORECAST VALID 0600 UTC OCT 11 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 30N153W 25N154W 22N158W NEARLY STATIONARY. ISOLATED MODERATE
TSTMS WITHIN 150 NM OF TROUGH.
.24 HOUR FORECAST TROUGH 30N152W 25N155W 22N157W.
.48 HOUR FORECAST TROUGH 30N149W 28N152W 25N156W.

.TROUGH 28N176W 24N175W 21N172W MOVING W SLOWLY. ISOLATED MODERATE
TSTMS WITHIN 180 NM OF TROUGH.
.24 HOUR FORECAST TROUGH 27N176W 25N176W 24N176W.
.48 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH 12N163W 10N170W 07N179W NEARLY STATIONARY. ISOLATED MODERATE
TSTMS WITHIN 240 NM OF TROUGH.
.24 HOUR FORECAST TROUGH 12N164W 10N167W 07N173W.
.48 HOUR FORECAST TROUGH WEAKENING 12N167W 10N170W.

.LOW NEAR 13N162W 1009 MB MOVING W SLOWLY. ISOLATED MODERATE TSTMS
WITHIN 150 NM OF LOW.
.24 HOUR FORECAST LOW NEAR 13N163W.
.48 HOUR FORECAST LOW WEAKENED TO A TROUGH NEAR 15N166W.

.48 HOUR FORECAST WINDS 20 TO 25 KT N OF 28N W OF 175E.

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

.48 HOUR FORECAST SEAS 4 TO 5.5 M N OF A LINE 27N160E TO 30N170E.
SEAS 2.5 TO 4 M ELSEWHERE N OF A LINE 25N160E TO 30N173E.

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

.ITCZ 12N160W 10N140W. SCATTERED MODERATE TSTMS WITHIN 240 NM N OF ITCZ.

$$

.FORECASTER BOHLIN/THOMAS. HONOLULU HI.