195
FZPN40 PHFO 301432
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC THU JUL 30 2026

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 180W

SYNOPSIS VALID 1200 UTC JUL 30 2026.
24 HOUR FORECAST VALID 1200 UTC JUL 31 2026.
48 HOUR FORECAST VALID 1200 UTC AUG 01 2026.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW 24N159W 1012 MB MOVING W 10 KT. TROUGH 27N158W TO LOW TO
20N161W. WINDS 20 TO 25 KT AND SEAS 2.5 TO 3 M WITHIN 90 NM OF
N SEMICIRCLE. SCATTERED MODERATE TSTMS WITHIN 120 NM OF TROUGH
N OF 25N.
.24 HOUR FORECAST LOW 26N163W 1014 MB. TROUGH 28N163W TO LOW TO
22N161W. WINDS 20 TO 25 KT WITHIN 60 NM OF N SEMICIRCLE.
.48 HOUR FORECAST LOW WEAKENING TO TROUGH 30N173W 25N172W. WINDS
DECREASING TO 20 KT OR LESS.

.LOW 06N149W 1008 MB NEARLY STATIONARY.
.24 HOUR FORECAST LOW DISSIPATED.

.48 HOUR FORECAST WINDS 20 TO 30 KT FROM 15N TO 25N BETWEEN 161W
AND 148W...AND FROM 24N TO 28N E OF 148W.

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

.SEAS 2.5 TO 3 M FROM 15N OT 25N E OF 147W.
.24 HOUR FORECAST SEAS 2.5 TO 3 M FROM 15N TO 25N E OF 153W.
.48 HOUR FORECAST SEAS 2.5 TO 3 M SUBSIDING TO 2.5 M OR LESS.

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

.MONSOON TROUGH 07N179W 05N170W 06N153W 07N145W 07N140W.
SCATTERED MODERATE TSTMS WITHIN 120 NM OF TROUGH BETWEEN 178W
AND 153W...AND FROM 00N TO 08N E OF 153W.

.ISOLATED MODERATE TSTMS FROM 20N TO 25N W OF 170W..

$$

.FORECASTER PECHACEK. HONOLULU HI.