491
FZPN40 PHFO 292259
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 UTC MON SEP 29 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC SEP 29 2025.
24 HOUR FORECAST VALID 1800 UTC SEP 30 2025.
48 HOUR FORECAST VALID 1800 UTC OCT 01 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 25N140W 25N150W 30N165W NEARLY STATIONARY.
.24 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH 15N143W 10N142W MOVING W 10 KT.
.24 HOUR FORECAST TROUGH 15N145W 10N145W.
.48 HOUR FORECAST TROUGH 16N143W 10N142W.

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

.SEAS 2.5 TO 3 M WITHIN 150 NM OF POINT 25N176W...AND N OF 25N
E OF 145W.
.24 HOUR FORECAST SEAS SUBSIDING TO LESS THAN 2.5 M.
.48 HOUR FORECAST SEAS 2.5 TO 3 M N OF 27N E OF 145W.

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

.ITCZ 12N145W 12N155W 07N170W 07N175E 11N170E 08N160E. SCATTERED
MODERATE TSTMS WITHIN 150 NM OF ITCZ.

.SCATTERED MODERATE TSTMS WITHIN 180 NM OF LINE 28N163W 20N169W
10N169W...AND FROM 15N TO 25N W OF 180W.

$$

.FORECASTER PECHACEK. HONOLULU HI.