375
FZPS40 PHFO 072119
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2330 UTC MON APR 07 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

SOUTH PACIFIC EQUATOR TO 25S BETWEEN 120W AND 160E

SYNOPSIS VALID 1800 UTC APR 07 2025.
24 HOUR FORECAST VALID 1800 UTC APR 08 2025.
48 HOUR FORECAST VALID 1800 UTC APR 09 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 25S151W 21S156W NEARLY STATIONARY. ISOLATED MODERATE
TSTMS WITHIN 120 NM E OF TROUGH N OF 24S.
.24 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH 25S174E 22S170E 20S160E. TROUGH NEARLY STATIONARY. SEAS 8
TO 9 FEET S OF TROUGH. ISOLATED MODERATE TSTMS WITHIN 60 NM N OF
TROUGH BETWEEN 165E AND 169E.
.24 HOUR FORECAST TROUGH 25S174E 23S170E 19S160E. SE WINDS 20 TO
25 KT S OF TROUGH. SEAS 8 TO 10 FT S OF TROUGH.
.48 HOUR FORECAST TROUGH 25S173E 23S170E 17S160E. SE WINDS 20 TO
30 KT S OF TROUGH.

.TROUGH 12S173E 15S163E 12S160E MOVING W 15 KT. SCATTERED MODERATE
TSTMS FROM 20S TO TROUGH W OF 173E.
.24 HOUR FORECAST TROUGH MOVED W OF AREA.

.TROUGH 21S162W 18S173W 14S175W MOVING W SLOWLY. ISOLATED MODERATE
TSTMS WITHIN 90 NM OF TROUGH BETWEEN 177W AND 173W... AND FROM 22S
TO 20S BETWEEN 167W AND 163W.
.24 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH 25S120W 21S125W 20S130W MOVING W SLOWLY. SE WINDS 20 TO 25
KT S OF LINE 25S123W 21S127W 21S133W 25S133W. ISOLATED MODERATE
TSTMS S OF 20S E OF 125W.
.24 HOUR FORECAST TROUGH 15S134W 22S128W 25S122W.
.48 HOUR FORECAST TROUGH 17S133W 25S125W.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.SEAS 12 TO 14 FT S OF 20S BETWEEN 132W AND 125W. SEAS 8 TO 10 FT
ELSEWHERE S OF 10S E OF 142W.
.24 HOUR FORECAST SEAS 8 TO 10 FT E OF 137W. SEAS 8 TO 9 FT N OF
05S BETWEEN 165W AND 140W.
.48 HOUR FORECAST SEAS 8 TO 11 FT S OF 12S E OF 140W. SEAS 8 TO
10 FT S OF 20S W OF 175W.

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

.ITCZ 06S125W 08S140W 05S158W 05S171W 04S180W 07S173E. NUMEROUS
STRONG TSTMS WITHIN 90 NM S OF ITCZ BETWEEN 145W AND 135W. SCATTERED
MODERATE TSTMS WITHIN 270 NM OF ITCZ W OF 150W.

$$

.FORECASTER SHIGESATO. HONOLULU HI.