676
FZPN40 PHFO 220928
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1100 UTC TUE JUL 22 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 JUL 22 2025.
24 HOUR FORECAST VALID 0600 UTC JUL 23 2025.
48 HOUR FORECAST VALID 0600 UTC JUL 24 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 30N168W 23N168W NEARLY STATIONARY. ISOLATED MODERATE TSTMS
N OF 26N BETWEEN 170W AND 165W... AND N OF 28N BETWEEN 180W AND
175W.
.24 HOUR FORECAST TROUGH 30N168W 24N165W.
.48 HOUR FORECAST TROUGH 30N167W 24N169W.

.24 HOUR FORECAST NEW TROUGH 15N143W 10N143W. WINDS 20 TO 25 KT
WITHIN 60 NM OF TROUGH.
.48 HOUR FORECAST TROUGH 17N143W 13N147W. WINDS 20 TO 25 KT FROM
14N TO 18N BETWEEN 152W AND 146W.

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

.SEAS 2.5 TO 3 M FROM 10N TO 15N E OF 160W.
.24 HOUR FORECAST SEAS 2.5 TO 3 M FROM 12N TO 20N E OF 150W.
.48 HOUR FORECAST SEAS 2.5 TO 3 M FROM 12N TO 20N E OF 150W.

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

.ITCZ 09N142W 09N147W 06N170W 03N180E. ISOLATED MODERATE TSTMS
WITHIN 180 NM S OF ITCZ.

$$

.FORECASTER SHIGESATO. HONOLULU HI.