833
FZPN40 PHFO 060319
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC MON OCT 06 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 06 2025.
24 HOUR FORECAST VALID 0000 UTC OCT 07 2025.
48 HOUR FORECAST VALID 0000 UTC OCT 08 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 30N150W 25N160W 25N166W MOVING SW 10 KT.
.24 HOUR FORECAST TROUGH 25N155W 24N160W 24N165W.
.48 HOUR FORECAST TROUGH 23N153W 20N165W.

.TROUGH 26N143W 22N145W 18N144W MOVING NW SLOWLY.
.24 HOUR FORECAST TROUGH 26N144W 20N148W 18N150W.
.48 HOUR FORECAST TROUGH 26N147W 20N150W.

.LOW 09N144W 1012 MB. TROUGH FROM LOW TO 08N145W. LOW AND TROUGH
MOVING W 10 KT.
.24 HOUR FORECAST LOW 10N145W 1011 MB. TROUGH FROM LOW TO 08N143W.
.48 HOUR FORECAST LOW WEAKENS TO TROUGH. TROUGH 11N143W 08N144W.

.WINDS 20 KT OR LESS OVER ENTIRE FORECAST AREA.

.24 HOUR FORECAST SEAS 2.5 TO 3 M N OF 25N BETWEEN 155W AND 165W.
.48 HOUR FORECAST SEAS 2.5 TO 3 M N OF 25N BETWEEN 158W AND 170W.

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

.ITCZ 09N140W 09N145W. MONSOON TROUGH 08N148W 08N158W THENCE ITCZ
08N161W 10N169W 10N175E. ISOLATED TSTMS WITHIN 150 NM OF ITCZ AND
TROUGH.

.SCATTERED MODERATE TSTMS 12N TO 30N BETWEEN 180W AND 170E...AND
WITHIN 120 NM OF POINT 09N144W.

$$

.FORECASTER PECHACEK. HONOLULU HI.