544
FZPN40 PHFO 031518
HSFNP

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW 29N166W 1015 MB MOVING W SLOWLY. ISOLATED MODERATE
TSTMS WITHIN WITHIN 180 NM S SEMICIRCLE OF LOW.
.24 HOUR FORECAST LOW 29N167W 1016 MB.
.48 HOUR FORECAST LOW DISSIPATED.

.FRONT 30N174E 25N160E NEARLY STATIONARY. ISOLATED MODERATE
TSTMS WITHIN 210 NM OF FRONT.
.24 HOUR FORECAST FRONT 30N173E 24N160E.
.48 HOUR FORECAST FRONT 30N174E 25N160E.

.FRONT 30N147W 25N154W MOVING E SLOWLY.
.24 HOUR FORECAST FRONT 30N144W 28N148W.
.48 HOUR FORECAST FRONT WEAKENED TO TROUGH
30N140W 28N143W.

.48 HOUR FORECAST NEW TROUGH 29N151W 27N150W.

.TROUGH 15N160E 11N160E MOVING W 10 KT. ISOLATED MODERATE
TSTMS WITHIN 180 NM OF TROUGH.
.24 HOUR FORECAST TROUGH MOVED W OF AREA.

.TROUGH 12N151W 06N157W MOVING W 10 KT. ISOLATED MODERATE
TSTMS WITHIN 90 NM OF TROUGH.
.24 HOUR FORECAST TROUGH 13N152W 09N157W.
.48 HOUR FORECAST TROUGH 12N154W 11N161W.

.WINDS 20 KT OR LESS AND SEAS 2.5 M OR LOWER OVER ENTIRE
FORECAST AREA.

.MONSOON TROUGH 10N140W 11N149W. ISOLATED MODERATE TSTMS
WITHIN 180 NM OF TROUGH.

.ISOLATED MODERATE TSTMS S OF 07S BETWEEN 171E AND
161E.

$$

.FORECASTER THOMAS. HONOLULU HI.