284
FZPN40 PHFO 130257
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC MON OCT 13 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 OCT 13 2025.
24 HOUR FORECAST VALID 0000 UTC OCT 14 2025.
48 HOUR FORECAST VALID 0000 UTC OCT 15 2025.

.WARNINGS.


.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 30N178E 27N170E 26N164E MOVING NE 10 KT.
.24 HOUR FORECAST TROUGH 30N1722 27N180W 27N170E.
.48 HOUR FORECAST TROUGH DISSIPATED.

.LOW 30N160W 1015 MB MOVING E 10 KT. TROUGH FROM LOW TO
27N169W.
.24 HOUR FORECAST LOW 30N161W 1018 MB. TROUGH FROM LOW TO
24N170W.
.48 HOUR FORECAST LOW WEAKENS TO TROUGH 28N163W 25N165W 22N170W.

.TROUGH 30N150W 25N158W MOVING NW SLOWLY.
.24 HOUR FORECAST TROUGH 28N151W 25N155W.
.48 HOUR FORECAST TROUGH DISSIPATED.

.LOW 12N164W 1010 MB MOVING W 10 KT. TROUGH FROM LOW TO 13N162W.
.24 HOUR FORECAST TROUGH 15N169W 09N168W.
.48 HOUR FORECAST TROUGH 12N170W 08N173W.

.TROUGH 10N165E 01N173E MOVING W 15 KT.
.24 HOUR FORECAST TROUGH 09N165E 05N165E.
.48 HOUR FORECAST TROUGH 10N163E 04N164E.

.WINDS 20 KT OR LESS OVER ENTIRE AREA.

.SEAS 2.5 TO 4 M N OF LINE 15N160E 15N180W 25N165W.
.24 HOUR FORECAST SEAS 2.5 TO 4 M N OF LINE 15N160E 10N170E 10N165W
25N155W.
.48 HOUR FORECAST SEAS 2.5 TO 4 M N OF LINE 30N170E 10N170E 10N170W
30N150W.

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

.ITCZ 08N140W 08N150W 09N156W...AND 09N168W 08N175W. SCATTERED
MODERATE TSTMS FROM 05N TO 13N BETWEEN 158W AND 178W.

.SCATTERED MODERATE TSTMS FROM 10N TO 20N W OF 165E. ISOLATED
MODERATE TSTMS FROM 00N TO 06N BETWEEN 175E AND 170E.


$$

.FORECASTER PECHACEK. HONOLULU HI.