070
FZPN40 PHFO 082200
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 UTC WED OCT 08 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 OCT 08 2025.
24 HOUR FORECAST VALID 1800 UTC OCT 09 2025.
48 HOUR FORECAST VALID 1800 UTC OCT 10 2025.

.WARNINGS.


.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 29N155W 24N159W 20N165W MOVING W SLOWLY. ISOLATED MODERATE
TSTMS WITHIN 210 NM E OF TROUGH N OF 28N.
.24 HOUR FORECAST TROUGH 30N154W 25N160W 21N166W.
.48 HOUR FORECAST TROUGH 30N153W 25N160W 21N167W.

.TROUGH 14N160W 09N168W 07N176W MOVING W 10 KT. SCATTERED MODERATE
TSTMS WITHIN 240 NM S OF TROUGH.
.24 HOUR FORECAST TROUGH 16N161W 12N163W 08N174W.
.48 HOUR FORECAST TROUGH 17N163W 12N165W 08N176W.

.LOW NEAR 12N154W 1012 MB MOVING W SLOWLY. ISOLATED MODERATE TSTMS
WITHIN 120 NM OF TROUGH.
.24 HOUR FORECAST LOW DISSIPATED.

.LOW NEAR 10N148W 1012 MB NEARLY STATIONARY. SCATTERED MODERATE
TSTMS WITHIN 210 NM OF LOW.
.24 HOUR FORECAST LOW NEAR 10N149W.
.48 HOUR FORECAST LOW WEAKENED TO A TROUGH 14N150W 10N153W.

.24 HOUR FORECAST NEW TROUGH 27N175W 20N173W.
.48 HOUR FORECAST TROUGH 26N175W 23N180W.

.48 HOUR FORECAST NEW FRONT 30N162E 28N160E. WINDS 20 TO 25 KT AND
SEAS 2.5 TO 4.5 M N OF 27N W OF 170E.

.WINDS 20 KT OR LESS OVER ENTIRE FORECAST AREA.

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

.ITCZ 08N140W 09N147W...AND 07N178W 07N175E 05N165E 05N160E.
SCATTERED MODERATE TSTMS WITHIN 210 NM N OF ITCZ E OF 167E... AND
WITHIN 60 NM S OF ITCZ BETWEEN 177W AND 176E.



$$

.FORECASTER TSAMOUS. HONOLULU HI.