426
FZPN40 PHFO 201512
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC THU NOV 20 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 20 2025.
24 HOUR FORECAST VALID 1200 UTC NOV 21 2025.
48 HOUR FORECAST VALID 1200 UTC NOV 22 2025.

.WARNINGS.


.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 30N177E 27N170E 26N166E 27N160E MOVING E 10 KT.
.24 HOUR FORECAST FRONT 30N173W 29N179E 29N176E.
.48 HOUR FORECAST FRONT DISSIPATED.

.TROUGH 30N176W 26N178E 19N179W NEARLY STATIONARY.
.24 HOUR FORECAST TROUGH DISSIPATED.

.24 HOUR FORECAST NEW FRONT 30N165E 28N162E.
.48 HOUR FORECAST FRONT 30N171E 28N168E.

.WINDS 20 TO 30 KT IN AREA BOUNDED BY 19N160E 23N171E 24N176W
14N173E 08N160E 19N160E. WINDS 20 TO 25 KT FROM 26N TO 09N E OF
163W.
.24 HOUR FORECAST WINDS 20 TO 25 KT FROM 24N TO 11N W OF
174W...AND FROM 23N TO 08N E OF 162W.
.48 HOUR FORECAST WINDS 20 TO 25 KT FROM 17N TO 11N W OF 173W.

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

.SEAS 2.5 TO 4 M N OF 08N...EXCEPT N OF 25N E OF 147W.
.24 HOUR FORECAST SEAS 2.5 TO 4 M N OF 06N...EXCEPT N OF 22N
BETWEEN 175W AND 165W.
.48 HOUR FORECAST SEAS 2.5 TO 4 M N OF LINE 11N160E 11N170E
07N172E 10N171W 00N154W 04N140W...EXCEPT N OF 25N W OF 177E.

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

.ITCZ 07N140W 07N151W 10N168W 09N179E 09N160E. SCATTERED MODERATE
TSTMS WITHIN 150 NM OF ITCZ E OF 160W...AND W OF 177E.

.SCATTERED MODERATE TSTMS FROM 21N TO 11N BETWEEN 177E AND 152W.

$$

.FORECASTER PIERCE. HONOLULU HI.