999
FZPN40 PHFO 170246
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC NOV 17 2025.
24 HOUR FORECAST VALID 0000 UTC NOV 18 2025.
48 HOUR FORECAST VALID 0000 UTC NOV 19 2025.

.WARNINGS.

...GALE WARNING...
.FRONT 30N175W 25N168E THENCE TROUGH 22N160E MOVING NE 30 KT.
WINDS 20 TO 25 KT WITHIN 120 NM N OF FRONT. SEAS 2.5 TO 3 M
N OF FRONT. ISOLATED MODERATE TSTMS WITHIN 90 NM OF FRONT.
.24 HOUR FORECAST FRONT 30N170W 25N180W 23N170E THENCE TROUGH
20N160E. WINDS 20 TO 30 KT AND SEAS 2.5 TO 3 M N OF FRONT.
.48 HOUR FORECAST FRONT 30N158W 25N163W 20N172E.
WINDS 30 TO 35 KT AND SEAS 4 TO 4.5 M N OF FRONT BETWEEN 158W
AND 175W. WINDS 20 TO 30 KT ELSEWHERE N OF FRONT BETWEEN 175W
AND 172E. SEAS 2.5 TO 4 M ELSEWHERE N OF LINE 30N158W 20N180W
15N170E 15N160E.

.SYNOPSIS AND FORECAST.

.TROUGH 10N177E 07N175E 05N175E MOVING W 10 KT.
.24 HOUR FORECAST TROUGH 10N174E 05N173E.
.48 HOUR FORECAST TROUGH DISSIPATED.

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

.ITCZ 08N140W 10N145W 08N158W 10N167W 09N175W. ISOLATED
MODERATE TSTMS WITHIN 150 NM OF ITCZ.

.ISOLATED MODERATE TSTMS FROM 05N TO 13N BETWEEN 175W AND
178E.

$$

.FORECASTER PECHACEK. HONOLULU HI.