FZPS40 PHFO 241523
HSFSP 

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1730 UTC MON MAR 24 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC MAR 24 2025.
24 HOUR FORECAST VALID 1200 UTC MAR 25 2025.
48 HOUR FORECAST VALID 1200 UTC MAR 26 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW NEAR 13S161E 1006 MB NEARLY STATIONARY. TROUGH FROM 25S180W 
TO 20S170E TO LOW TO 13S160E. ISOLATED MODERATE TSTMS WITHIN 210 
NM NE OF TROUGH.
.24 HOUR FORECAST LOW DISSIPATED. NEW FRONT FROM 25S175W TO 22S178E
THENCE TROUGH TO LOW TO 14S160E.
.48 HOUR FORECAST FRONT 25S172W 21S178E THENCE TROUGH 20S166E 17S160E.

.TROUGH 25S128W 20S137W 16S140W NEARLY STATIONARY. ISOLATED MODERATE
TSTMS S OF TROUGH BETWEEN 137W AND 130W.
.24 HOUR FORECAST TROUGH 25S129W 20S135W 18S140W.
.48 HOUR FORECAST NEW FRONT 25S127W 22S133W THENCE TROUGH TO 22S140W.

.TROUGH 13S176E 08S172E 03S171E NEARLY STATIONARY. SCATTERED MODERATE
TSTMS FROM 14S TO 09S BETWEEN 174E AND 180W.
.24 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH 04S120W 02S130W 01S136W MOVING SW SLOWLY. ISOLATED MODERATE
TSTMS WITHIN 60 NM OF TROUGH. 
.24 HOUR FORECAST TROUGH 02S137W 06S130W. 
.48 HOUR FORECAST TROUGH DISSIPATED.

.24 HOUR FORECAST NEW TROUGH 06S170W 08S156W 09S148W. 
.48 HOUR FORECAST TROUGH 10S180W 14S160W 15S148W.

.WINDS 20 TO 25 KT S OF LINE 25S130W 16S150W 19S160W.
.24 HOUR FORECAST WINDS 20 TO 25 KT FROM 21S TO 18S BETWEEN 160W 
AND 150W.
.48 HOUR FORECAST WINDS DIMINISHED TO 20 KT OR LESS.

.WINDS 20 KT OR LESS REMAINDER OF FORECAST AREA. 

.SEAS 12 TO 14 FT S OF LINE 20S150W 20S139W 25S128W. SEAS 8 TO 12
FT ELSEWHERE S OF LINE 25S122W 15S150W 14S160W 25S165W.
.24 HOUR FORECAST SEAS 8 TO 12 FT S OF LINE 20S166W 14S160W 13S150W
17S142W 11S137W 15S120W.
.48 HOUR FORECAST SEAS 8 TO 9 FT S OF LINE 16S160W 20S130W 25S120W...
AND FROM 23S TO 06S E OF 128W. 

.SEAS 8 FT OR LOWER REMAINDER OF FORECAST AREA.

.SCATTERED MODERATE TSTMS FROM 15S TO 11S BETWEEN 172W AND 168W...
AND FROM 10S TO 02S BETWEEN 178W AND 171W. 

$$

.FORECASTER SHIGESATO. HONOLULU HI.