763
FZPN40 PHFO 172215
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 UTC MON NOV 17 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 NOV 17 2025.
24 HOUR FORECAST VALID 1800 UTC NOV 18 2025.
48 HOUR FORECAST VALID 1800 UTC NOV 19 2025.

.WARNINGS.


...GALE WARNING...
.FRONT 30N170W 26N177W 23N172E THENCE TROUGH 21N160E MOVING E 25 KT.
WINDS 20 TO 30 KT AND SEAS 2.5 TO 3 M N OF FRONT. ISOLATED MODERATE
TSTMS WITHIN 60 NM OF FRONT AND TROUGH.
.12 HOUR FORECAST FRONT 30N163W 26N169W 22N180E THENCE TROUGH TO
22N160E. NE WINDS 25 TO 35 KT N OF FRONT E OF 180E. WINDS 20 TO 30
KT ELSEWHERE AND SEAS 3 TO 4.5 M N OF FRONT AND TROUGH.
.24 HOUR FORECAST FRONT 30N156W 23N163W 22N177W THENCE TROUGH
22N160E. WINDS 20 TO 30 KT AND SEAS 3 TO 4.5 M N OF FRONT AND
TROUGH.
.48 HOUR FORECAST FRONT 30N143W 27N156W THENCE TROUGH 19N173W.
WINDS 20 TO 30 KT N OF 17N BETWEEN 153W AND 177E. SEAS 3 TO 4.5 M
N OF A LINE 30N151W 18N173W 18N173E.

.SYNOPSIS AND FORECAST.

.TROUGH 13N175E 04N171W MOVING W 10 KT. ISOLATED MODERATE TSTMS
FROM 08N TO 13N BETWEEN 177E AND 168E.
.24 HOUR FORECAST TROUGH DISSIPATED.

.48 HOUR FORECAST NEW FRONT 30N169E 27N164E 26N160E.

.24 HOUR FORECAST NEW TROUGH 20N155W 11N155W.
.48 HOUR FORECAST TROUGH 21N154W 17N156W 12N160W.

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

.ITCZ 08N140W 08N180E...AND 05N167E 04N160E. ISOLATED MODERATE
TSTMS WITHIN 150 NM OF ITCZ.


$$

.FORECASTER TSAMOUS. HONOLULU HI.