198
FZPN40 PHFO 031051
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1100 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC SEP 03 2025.
24 HOUR FORECAST VALID 0600 UTC SEP 04 2025.
48 HOUR FORECAST VALID 0600 UTC SEP 05 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 30N173E 26N160E NEARLY STATIONARY. ISOLATED MODERATE
TSTMS WITHIN 210 NM OF FRONT.
.24 HOUR FORECAST FRONT 30N171E 27N160E.
.48 HOUR FORECAST FRONT 30N174E 26N164E.

.FRONT 30N147W 26N152W MOVING E SLOWLY.
.24 HOUR FORECAST FRONT 30N146W 27N1524W.
.48 HOUR FORECAST FRONT WEAKENED TO TROUGH
30N141W 27N152W.

.WEAK FRONT 30N142W 26N144W MOVING E SLOWLY.
.24 HOUR FORECAST FRONT DISSIPATED.

.TROUGH 15N161E 11N160E MOVING W 10 KT. ISOLATED MODERATE
TSTMS WITHIN 180 NM OF TROUGH.
.24 HOUR FORECAST TROUGH MOVED W OF AREA.

.TROUGH 13N169E 08N169E MOVING W 10 KT. ISOLATED MODERATE
TSTMS WITHIN 120 NM OF TROUGH.
.24 HOUR FORECAST TROUGH 12N165E 05N163E.
.48 HOUR FORECAST TROUGH MOVED W OF AREA.

.TROUGH 12N150W 06N158W MOVING W 10 KT. ISOLATED MODERATE
TSTMS WITHIN 90 NM OF TROUGH.
.24 HOUR FORECAST TROUGH 13N152W 07N161W.
.48 HOUR FORECAST TROUGH 12N155W 06N167W.

.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 FROM 25N TO 22N BETWEEN 173W AND
177W.

$$

.FORECASTER THOMAS. HONOLULU HI.