534
FZPN40 PHFO 031518
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC FRI OCT 03 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC OCT 03 2025.
24 HOUR FORECAST VALID 1200 UTC OCT 04 2025.
48 HOUR FORECAST VALID 1200 UTC OCT 05 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 30N163W 28N174W 28N176E MOVING SE 10 KT.
.24 HOUR FORECAST FRONT 30N158W 26N173W 26N177E.
.48 HOUR FORECAST FRONT BECAME TROUGH 30N153W 26N169W 26N179E.

.TROUGH 30N159W 28N160W 27N161W NEARLY STATIONARY. ISOLATED
MODERATE TSTMS N OF 27N BETWEEN TROUGH AND 158W.
.24 HOUR FORECAST TROUGH MERGED WITH FRONT DESCRIBED ABOVE.

.WINDS 20 KT OR LESS OVER ENTIRE FORECAST AREA.

.SEAS 2.5 TO 3 M N OF LINE 30N179W 27N175W 30N169W.
.24 HOUR FORECAST SEAS 2.5 TO 3 M N OF LINE 30N175W 27N173W
26N167W 30N156W.
.48 HOUR FORECAST SEAS LOWERED 2.5 M OR LESS.

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

.MONSOON TROUGH 09N140W 09N143W 10N150W THENCE ITCZ 11N162W 07N177W
10N167E 08N160E. SCATTERED MODERATE TSTMS WITHIN 240 NM
OF ITCZ W OF 172E...AND E OF 171W.

.SCATTERED MODERATE TSTMS FROM 23N TO 14N W OF 178E.


$$

.FORECASTER PIERCE. HONOLULU HI.