224
FZPN40 PHFO 111005
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1100 UTC SAT OCT 11 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC OCT 11 2025.
24 HOUR FORECAST VALID 0600 UTC OCT 12 2025.
48 HOUR FORECAST VALID 0600 UTC OCT 13 2025.

.WARNINGS.


.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 30N169E 25N160E MOVING E 10 KT. SEAS 4 TO 5 M N OF LINE
30N169E 27N163E 27N160E. SEAS 2.5 TO 4 M ELSEWHERE N OF LINE
30N175E 23N160E. ISOLATED MODERATE TSTMS WITHIN 90 NM OF FRONT.
.24 HOUR FORECAST FRONT 30N173E 26N160E. WINDS 20 TO 25 KT N OF
28N BETWEEN 161E AND 171E. SEAS 4 TO 5 M N OF LINE 30N179E 27N175E
29N168E 30N170E. SEAS 2.5 TO 4 M ELSEWHERE N OF LINE 30N170W
18N169E 18N160E.
.48 HOUR FORECAST FRONT 30N176E 28N174E 30N160E. WINDS EASED 20
KT OR LESS. SEAS 2.5 TO 4.5 M N OF LINE 30N159W 12N177W 11N171E
19N160E.

.TROUGH 30N153W 28N156W 24N162W NEARLY STATIONARY. ISOLATED
MODERATE TSTMS WITHIN 150 NM OF TROUGH N OF 25N.
.24 HOUR FORECAST TROUGH 30N152W 24N158W 23N163W.
.48 HOUR FORECAST TROUGH 30N150W 26N156W 23N162W.

.TROUGH 15N167W 08N179W 06N175E MOVING W SLOWLY. ISOLATED
MODERATE TSTMS WITHIN 270 NM OF TROUGH.
.24 HOUR FORECAST TROUGH 14N172W 09N179E 07N173E.
.48 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH 14N169E 05N160E MOVING W 10 KT. ISOLATED MODERATE TSTMS
WITHIN 270 NM OF TROUGH.
.24 HOUR FORECAST TROUGH MOVED W OF AREA.

.WINDS 20 KT OR LESS AND SEAS 2.5 M OR LOWER OVER REMAINDER OF
FORECAST AREA.

.MONSOON TROUGH 09N140W 10N152W THENCE ITCZ 10N160W 09N170W.
ISOLATED MODERATE TSTMS WITHIN 210 NM S OF ITCZ W OF 157W.


$$

.FORECASTER PIERCE. HONOLULU HI.