681
FZPN40 PHFO 040320
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC SAT OCT 04 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 OCT 04 2025.
24 HOUR FORECAST VALID 0000 UTC OCT 05 2025.
48 HOUR FORECAST VALID 0000 UTC OCT 06 2025.

.WARNINGS.


.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 30N158W 26N166W 26N176E 28N173E MOVING SE SLOWLY. ISOLATED
MODERATE TSTMS 150 NM E OF FRONT N OF 27N. SEAS 2.5 TO 3 M N OF A
LINE FROM 30N163W 27N172W 28N178W.
.24 HOUR FORECAST FRONT 30N156W 26N168W 25N175E. SEAS 2.5 TO 3 M
N OF A LINE FROM 30N153W 23N165W.
.48 HOUR FORECAST FRONT WEAKENED TO TROUGH 30N153W 27N155W
24N165W. SEAS FALLEN TO 2.5 M OR BELOW.

.TROUGH 30N152W 26N151W 23N149W MOVING W 10 KT.
.18 HOUR FORECAST WEAK TROUGH MERGING WITH FRONT ABOVE.

.24 HOUR FORECAST NEW TROUGH 26N140W 20N142W MOVING W 10 KT.
.48 HOUR FORECAST TROUGH 25N144W 19N145W.

.WINDS 20 KT OR LESS OVER ENTIRE FORECAST AREA.

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

.ITCZ 09N140W 11N156W 05N178E. SCATTERED MODERATE TSTMS WITHIN
120 NM OF ITCZ W OF 162W.

.SCATTERED MODERATE TSTMS FROM 06N TO 21N W OF 176E.


$$

.FORECASTER BLOOD. HONOLULU HI.