618
FZPN40 PHFO 090343
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC TUE DEC 09 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 DEC 09 2025.
24 HOUR FORECAST VALID 0000 UTC DEC 10 2025.
48 HOUR FORECAST VALID 0000 UTC DEC 11 2025.

.WARNINGS.

...GALE WARNING...
.LOW JUST W OF AREA. FRONT 30N166W 25N173W 25N179W 24N170E
26N161E 25N160E. FRONT MOVING SE 10 KT E OF 177W AND NEARLY
STATIONARY ELSEWHERE. WINDS 30 TO 35 KT WITHIN 210 NM N OF FRONT W
OF 176E. WINDS 20 TO 30 KT ELSEWHERE N OF FRONT.
.24 HOUR FORECAST LOW NEAR 30N162E 1003 MB. FRONT FROM 30N160W TO
24N168W TO 22N178E TO 26N170E TO 30N164E...AND FROM LOW TO
24N160E. WINDS 30 TO 35 KT N OF LINE 30N165E 25N172E 30N172E.
WINDS 20 TO 30 KT ELSEWHERE N OF LINE 30N178E 25N172W 22N173W
20N179E 25N160E.
.48 HOUR FORECAST LOW MOVED N OF AREA. FRONT 30N153W 25N157W
20N166W...AND 28N176E 30N174E 26N174E 22N166E 20N160E. WINDS 30 TO
35 KT N OF LINE 30N174E 27N177E 28N179E 30N177E. WINDS 20 TO 30
KT ELSEWHERE N OF 25N W OF 179E.

.SYNOPSIS AND FORECAST.

.TROUGH 22N171E 20N164E 16N162E 12N160E MOVING W 10 KT.
.24 HOUR FORECAST TROUGH MOVED W OF AREA.

.TROUGH 02N163E 02N160E NEARLY STATIONARY. ISOLATED MODERATE TO
STRONG TSTMS S OF 04N W OF 170E.
.24 HOUR FORECAST TROUGH 02N163E 03N160E.
.48 HOUR FORECAST TROUGH MOVED W OF AREA.

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

.SEAS 2.5 TO 4.5 M N OF LINE 30N164W 23N175E 20N160E. SEAS 2.5 TO
3 M S OF 16N BETWEEN 174E AND 153W.
.24 HOUR FORECAST SEAS 4 TO 6 M N OF LINE 30N158W 22N178W
30N161E. SEAS 2.5 TO 4 M ELSEWHERE N OF LINE 30N150W 19N174W
18N177E 25N160E.
.48 HOUR FORECAST SEAS 4 TO 5 M N OF LINE 30N178E 27N178E 29N164E
28N160E. SEAS 2.5 TO 4 M ELSEWHERE N OF LINE 25N140W 21N142W
19N152W 22N162W 11N165W 09N178E 23N174E 24N160E.

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

.ITCZ 07N140W 07N172W 07N164E. ISOLATED MODERATE TSTMS FROM 09N
TO 05N BETWEEN 148W AND 142W.

$$

.FORECASTER TROTTER. HONOLULU HI.