833
FZPN40 PHFO 042140
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 UTC TUE NOV 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC NOV 04 2025.
24 HOUR FORECAST VALID 1800 UTC NOV 05 2025.
48 HOUR FORECAST VALID 1800 UTC NOV 06 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 30N149W 29N155W 30N162W MOVING ESE 15 KT. WINDS 20 TO 25 KT
N OF LINE 30N150W 28N140W.
.24 HOUR FORECAST DISSIPATING FRONT 28N140W 27N150W 27N160W. WINDS
EASED TO 20 KT OR LESS.
.48 HOUR FORECAST FRONT DISSIPATED.

.TROUGH 28N140W 25N150W 26N157W MOVING ESE SLOWLY.
.24 HOUR FORECAST TROUGH 26N140W 24N150W.
.48 HOUR FORECAST DISSIPATING TROUGH 27N140W 25N150W.

.TROUGH 23N175W 16N177W MOVING W 20 KT. SCATTERED MODERATE TSTMS
FROM 17N TO 23N BETWEEN 168W AND 174W. ISOLATED MODERATE TSTMS
WITHIN 90 NM OF LINE 15N172W 17N164W 22N165W.
.24 HOUR FORECAST TROUGH 23N178E 17N177E.
.36 HOUR FORECAST TROUGH 21N172E 17N167E.

.TROUGH 11N177W 05N174E MOVING W 13 KT. SCATTERED MODERATE TSTMS
FROM 03N TO 10N BETWEEN 177W AND 172E.
.24 HOUR FORECAST TROUGH 13N175E 06N165E.
.48 HOUR FORECAST TROUGH DISSIPATED.

.WINDS 20 TO 30 KT FROM 19N TO 27N BETWEEN 170W TO 172E. WINDS 20
TO 25 KT FROM 12N TO 22N W OF 172E.
.24 HOUR FORECAST WINDS 20 TO 25 KT FROM 10N TO 14N BETWEEN 155W
AND 167W.
.48 HOUR FORECAST WINDS 20 TO 25 KT FROM 10N TO 15N E OF 160W.

.OTHERWISE...WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.

.SEAS 2.5 TO 4 M IN AREA BOUNDED BY 30N160E 26N165W 07N165W
13N160E 30N160E. SEAS 2.5 TO 3 M N OF 28N E OF 160W.
.24 HOUR FORECAST SEAS 2.5 TO 4.5 M N OF LINE 30N163W 22N157W
25N140W. SEAS 2.5 TO 3.5 M IN AREA BOUNDED BY 26N160E 27N180W
04N175W 12N160E 26N160E.
.48 HOUR FORECAST SEAS 2.5 TO 3.5 M N OF 06N E OF 155W. SEAS 2.5
TO 3 M N OF 20N W OF 165E.

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

.ITCZ 08N140W 08N150W 07N157W...AND 04N171E 05N162E. ISOLATED
MODERATE TSTMS WITHIN 90 NM N OF ITCZ E OF 150W...AND S OF 10N W
OF 172E.

.ISOLATED MODERATE TSTMS WITHIN 90 NM OF LINE 13N172E 16N165E
20N160E.

$$

.FORECASTER WROE. HONOLULU HI.