422
FZPN40 PHFO 161505
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC SUN NOV 16 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 NOV 16 2025.
24 HOUR FORECAST VALID 1200 UTC NOV 17 2025.
48 HOUR FORECAST VALID 1200 UTC NOV 18 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 30N179E 25N170E 23N160E MOVING E 20 KT. WINDS 20 TO 25 KT
N OF FRONT. SEAS 2.5 TO 3 M NW OF FRONT. ISOLATED MODERATE TSTMS
WITHIN 90 NM E OF FRONT N OF 28N.
.24 HOUR FORECAST FRONT 30N172W 23N170E 21N160E. WINDS 20 TO 30
KT N OF FRONT. SEAS 2.5 TO 4 M NW OF FRONT.
.48 HOUR FORECAST FRONT 30N160W 24N170W 22N180E THENCE TROUGH 21N170E
23N160E. WINDS 20 TO 30 KT N OF FRONT. SEAS 4 TO 5 M N OF 25N BETWEEN
164E AND 165W. SEAS 2.5 TO 4 M ELSEWHERE NW OF FRONT.

.TROUGH 11N178W 04N178E MOVING W 10 KT. ISOLATED MODERATE TSTMS
WITHIN 210 NM OF TROUGH N OF 08N.
.24 HOUR FORECAST TROUGH 10N176E 04N175E.
.48 HOUR FORECAST TROUGH DISSIPATED.

.48 HOUR FORECAST TROUGH 24N162W 21N162W.

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

.SEAS 2.5 TO 3 M FROM 10N TO 20N BETWEEN 180W AND 170W.
.24 HOUR FORECAST SEAS 2.5 TO 3 M FROM 10N TO 14N BETWEEN 173E AND
178W.
.48 HOUR FORECAST SEAS 2.5 TO 4 M FROM 15N TO 20N W OF 173E.

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

.ITCZ 07N140W 08N160W 08N170W. ISOLATED MODERATE TSTMS WITHIN 180
NM OF ITCZ E OF 170W.

$$

.FORECASTER SHIGESATO. HONOLULU HI.