646 
FZPS40 PHFO 160338
HSFSP 

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0530 UTC THU MAY 16 2024

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC MAY 16 2024.
24 HOUR FORECAST VALID 0000 UTC MAY 17 2024.
48 HOUR FORECAST VALID 0000 UTC MAY 18 2024.

.WARNINGS.

.NONE. 

.SYNOPSIS AND FORECAST.

.TROUGH 25S179W 17S179E 03S164E NEARLY STATIONARY. ISOLATED 
MODERATE TSTMS WITHIN 600 NM NE OF TROUGH.
.24 HOUR FORECAST TROUGH LITTLE CHANGE. 
.48 HOUR FORECAST TROUGH 25S176E 10S167E 06S160E. 

.TROUGH 13S132W 13S140W 11S143W MOVING W 10 KT. 
.24 HOUR FORECAST TROUGH MERGED WITH FRONT DESCRIBED BELOW. 

.LOW 24S141W 1017 MB MOVING SE 10 KT. TROUGH FROM LOW TO 18S142W 
MOVING E SLOWLY. 
.24 HOUR FORECAST LOW MOVED S OF AREA. TROUGH DEVELOPED INTO 
FRONT 25S136W 30S137W 14S141W 12S146W.
.48 HOUR FORECAST FRONT 25S130W 16S133W 12S142W. WINDS 20 TO 30 
KT S OF 22S BETWEEN 122W AND 142W. 

.E TO SE WINDS 20 TO 30 KT S 16S BETWEEN 150W AND 179W. SE WINDS 
20 TO 25 KT FROM 20S TO 10S W OF 170E. 
.24 HOUR FORECAST E WINDS 20 TO 30 KT S OF 12S BETWEEN 150W AND 
178W. SE WINDS 20 TO 25 KT FROM 20S TO 10S W OF 170E. 
.48 HOUR FORECAST WINDS 20 TO 30 KT S OF 15S BETWEEN 150W AND 
170W. 

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

.SEAS 8 TO 12 FT S OF A LINE 14S120W 09S154W 10S170W 20S178E.
.24 HOUR FORECAST SEAS 8 TO 12 FT S OF A LINE 12S120W 08S170W 
21S180W. 
.48 HOUR FORECAST SEAS 8 TO 12 FT S OF LINE 25S130W 08S154W 
09S164W 24S170W. SEAS 8 TO 9 FT S OF 22S BETWEEN 175E AND 165E. 

.OTHERWISE...SEAS 8 FT OR UNDER OVER REMAINDER OF FORECAST AREA. 

.SCATTERED MODERATE TSTMS WITHIN 90 NM OF A LINE 12S155W 06S166W 
10S170W.


$$

.FORECASTER PIERCE/ALMANZA. HONOLULU HI.