Expires:No;;719450
FZPS40 PHFO 301511
HSFSP 

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1730 UTC WED APR 30 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 APR 30 2025.
24 HOUR FORECAST VALID 1200 UTC MAY 01 2025.
48 HOUR FORECAST VALID 1200 UTC MAY 02 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 25S139W 14S160W 10S170W 03S175E MOVING E SLOWLY. WINDS 20
TO 25 KT FROM 20S TO TROUGH BETWEEN 160W AND 150W. ISOLATED
MODERATE TSTMS WITHIN 90 NM W OF TROUGH... AND WITHIN 210 NM E OF
TROUGH.
.24 HOUR FORECAST TROUGH 25S130W 14S160W 10S170W 05S176E. WINDS 
20 TO 25 KT S OF LINE 25S145W 18S160W.
.48 HOUR FORECAST TROUGH 25S128W 17S150W 14S163W 07S165W 07S175W.
WINDS 20 TO 25 KT S OF 20S BETWEEN 145W AND 135W. 

.TROUGH 25S171W 20S176W 15S177E NEARLY STATIONARY. ISOLATED MODERATE
TSTMS S OF 22S BETWEEN TROUGH AND 166W.
.24 HOUR FORECAST TROUGH 25S173W 18S178E. 
.48 HOUR FORECAST TROUGH 25S172W 18S180W.

.TROUGH 08S160E 14S170E MOVING W 10 KT. 
.24 HOUR FORECAST TROUGH MOVED W OF FORECAST AREA. 

.48 HOUR FORECAST WINDS 20 TO 25 KT S OF 15S W OF 165E.

.SEAS 8 TO 9 FT S OF LINE 06S120W 03S135W 20S141W 10S160W
12S172W... AND N OF 07S BETWEEN 155W AND 146W. 
.24 HOUR FORECAST SEAS 8 TO 9 FT S OF LINE 06S120W 06S133W 
18S140W 15S160W.
.48 HOUR FORECAST SEAS 8 TO 10 FT S OF 20S BETWEEN 160W AND 
127W... AND FROM 16S TO 07S E OF 130W... AND S OF 23S W OF 167E. 

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS 8 FT OR LESS.

.SCATTERED MODERATE TSTMS FROM 08S TO 02S BETWEEN 170W AND 160W.
ISOLATED MODERATE TSTMS FROM 20S TO 15S BETWEEN 172W AND 168W. 

$$

.FORECASTER SHIGESATO. HONOLULU HI.