656  
FZPS40 PHFO 251124  
HSFSP  
 
HIGH SEAS FORECAST  
NATIONAL WEATHER SERVICE HONOLULU HI  
1130 UTC SAT OCT 25 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS  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 0600 UTC OCT 25 2025.  
24 HOUR FORECAST VALID 0600 UTC OCT 26 2025.  
48 HOUR FORECAST VALID 0600 UTC OCT 27 2025.  
 
.WARNINGS.  
 
.NONE.  
 
.SYNOPSIS AND FORECAST.  
 
.TROUGH 23S123W 16S145W 16S165W 14S171W NEARLY STATIONARY  
ELSEWHERE. ISOLATED MODERATE TSTMS WITHIN 180 NM OF TROUGH.  
.24 HOUR FORECAST TROUGH DISSIPATED.  
 
.TROUGH 18S178E 11S175E 06S164E MOVING W 10 KT. ISOLATED  
MODERATE TSTMS WITHIN 180 NM OF TROUGH.  
.24 HOUR FORECAST TROUGH 18S175E 09S167E.  
.48 HOUR FORECAST TROUGH 18S167E 15S168E 10S169E.  
 
.WINDS 20 KT OR LESS OVER ENTIRE FORECAST AREA.  
 
.24 HOUR FORECAST SEAS 2.5 TO 3.5 M S OF A LINE 25S130W  
18S141W 19S152W 25S158W.  
.48 HOUR FORECAST SEAS 2.5 TO 4 M W OF A LINE 13S120W  
13S134W 19S140W 15S147W 18S155W 25S152W.  
 
.SEAS 2.5 M OR LOWER OVER REMAINDER FORECAST AREA.  
 
.SCATTERED MODERATE TSTMS FROM 20S TO 15S BETWEEN 150W  
AND 155W...AND FROM 15S TO 12S BETWEEN 160W AND 168W.  
 
.ISOLATED MODERATE TSTMS FROM 15S TO 10S BETWEEN 180W  
AND 168E...AND FROM 10S TO 05S BETWEEN 168E AND 160E.  
 

 
 
.FORECASTER THOMAS. HONOLULU HI.  
 
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