658
FZPN40 PHFO 192241
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 UTC WED NOV 19 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 19 2025.
24 HOUR FORECAST VALID 1800 UTC NOV 20 2025.
48 HOUR FORECAST VALID 1800 UTC NOV 21 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 30N150W 29N157W NEARLY STATIONARY.
.24 HOUR FORECAST FRONT WEAKENED TO TROUGH 30N167W 24N168W.
.48 HOUR FORECAST TROUGH 28N164W 25N165W.

.FRONT 30N168E 26N160E MOVING E 10 KT N OF 27N AND NEARLY
STATIONARY ELSEWHERE.
.24 HOUR FORECAST FRONT 30N177E 28N168E 30N161E.
.48 HOUR FORECAST FRONT 30N172W 29N179W 30N176E.

.FRONT 30N162E 29N160E MOVING NE 15 KT.
.24 HOUR FORECAST FRONT MOVED N OF AREA.

.TROUGH 24N170W 20N173W 15N175W MOVING W 15 KT. SCATTERED
MODERATE TSTMS FROM 23N TO 14N BETWEEN 178W AND 170W.
.24 HOUR FORECAST TROUGH 23N175E 14N175E.
.48 HOUR FORECAST TROUGH 21N164E 13N164E.

.TROUGH 17N159W 12N162W MOVING NW 10 KT.
.24 HOUR FORECAST TROUGH 20N164W 14N167W 10N176W.
.48 HOUR FORECAST TROUGH 21N169W 11N175W.

.WINDS 20 TO 25 KT N OF LINE 30N167W 23N173E 16N176E 22N165W
17N153W 30N150W...AND FROM 19N TO 06N W OF 170E.
.24 HOUR FORECAST WINDS 20 TO 25 KT FROM 26N TO 07N E OF
160W...AND FROM 24N TO 07N W OF 177W.
.48 HOUR FORECAST WINDS EASED TO 20 KT OR LESS.

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

.SEAS 2.5 TO 4.5 M N OF LINE 30N173E 20N160E 07N160E 04N175E
11N177W 22N160W 30N151W. SEAS 2.5 TO 3 M E OF LINE 15N140W 19N146W
13N146W 16N160W 09N162W 10N140W...AND N OF LINE 30N167E 28N160E.
.24 HOUR FORECAST SEAS 2.5 TO 4 M N OF 07N EXCEPT N OF 26N
BETWEEN 179E AND 170W.
.48 HOUR FORECAST SEAS 2.5 TO 4 M N OF LINE 06N160E 05N164E
11N165E 10N170E 05N172E 05N140W.

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

.ITCZ 07N140W 08N157W 08N166W 07N160E. ISOLATED MODERATE TSTMS
WITHIN 180 NM OF ITCZ W OF 170E AND E OF 170W.

$$

.FORECASTER TROTTER. HONOLULU HI.