298
FZPN40 PHFO 210303
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC FRI NOV 21 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 21 2025.
24 HOUR FORECAST VALID 0000 UTC NOV 22 2025.
48 HOUR FORECAST VALID 0000 UTC NOV 23 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 30N179E 27N172E 27N167E 30N162E MOVING NE 20 KT.
SCATTERED MODERATE TSTMS N OF FRONT W OF 164E.
.24 HOUR FORECAST FRONT 30N170W 29N179W 30N174E. WINDS
20 TO 25 KT N OF FRONT.
.48 HOUR FORECAST FRONT MOVED N OF AREA. ASSOCIATED WINDS
DIMINISHED TO 20 KT OR LESS.

.TROUGH 30N167W 26N168W MOVING NE 10 KT.
.24 HOUR FORECAST TROUGH ABSORBED BY FRONT DESCRIBED ABOVE.

.24 HOUR FORECAST NEW FRONT 30N167E 26N160E.
.48 HOUR FORECAST FRONT 30N175E 27N160E.

.WINDS 20 TO 25 KT W OF LINE 23N180E 09N169E...AND FROM
09N TO 25N OF 164W.
.24 HOUR FORECAST WINDS 20 TO 25 KT FROM 08N TO 25N W OF
175W...AND 08N TO 18N E OF 160W.
.48 HOUR FORECAST WINDS 20 TO 25 KT FROM 10N TO 20N W OF 175W.

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

.SEAS MAINLY 2.5 TO 4.0 M N OF 10N.
.24 HOUR FORECAST SEAS MAINLY 2.5 TO 4.0 M N OF 06N...EXCEPT
SEAS 2.5 M OR LOWER NW OF LINE 30N172E 25N160E.
.48 HOUR FORECAST SEAS MAINLY 2.5 TO 4.0 M N OF LINE 05N140W
00N156W 09N164W 07N160E...EXCEPT SEAS 2.5 M OR LOWER N OF 22N
W OF 174W.

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

.ITCZ 07N140W 05N148W 08N169W 07N178E 03N169E. ISOLATED MODERATE
TSTMS WITHIN 180 NM OF ITCZ.

.ISOLATED MODERATE TSTMS FROM 12N TO 16N BETWEEN 164W AND 178E.

$$

.FORECASTER AHUE. HONOLULU HI.