548  
FZPS40 PHFO 290334  
HSFSP  
 
HIGH SEAS FORECAST  
NATIONAL WEATHER SERVICE HONOLULU HI  
0530 UTC SUN JUN 29 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS  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 0000 UTC JUN 29 2025.  
24 HOUR FORECAST VALID 0000 UTC JUN 30 2025.  
48 HOUR FORECAST VALID 0000 UTC JUL 01 2025.  
 
.WARNINGS.  
 
.NONE.  
 
.SYNOPSIS AND FORECAST.  
 
.STATIONARY FRONT 25S120W 22S133W THENCE TROUGH 18S149W 10S162W.  
TROUGH MOVING SW SLOWLY W OF 144W AND NEARLY STATIONARY ELSEWHERE.  
WINDS 20 TO 30 KT S OF LINE 25S166W 16S156W 21S129W 25S136W.  
.24 HOUR FORECAST STATIONARY FRONT 25S125W 23S135W THENCE TROUGH  
22S135W 20S149W 12S160W. WINDS 20 TO 30 KT S OF 21S BETWEEN 155W  
AND 129W.  
.48 HOUR FORECAST FRONT DISSIPATED. TROUGH 25S155W 17S157W  
12S161W. WINDS DIMINISHED TO 20 KT OR LESS.  
 
.FRONT 25S174W 21S176W THENCE TROUGH 14S178W 04S160E. FRONT  
MOVING E 10 KT AND TROUGH MOVING S SLOWLY.  
.24 HOUR FORECAST FRONT 25S169W 18S170W. TROUGH DETACHED 13S176E  
08S160E.  
.48 HOUR FORECAST FRONT 25S163W 20S169W 19S174W. TROUGH 12S169E  
08S160E.  
 
.48 HOUR FORECAST WINDS 20 TO 30 KT S OF 21S W OF 175E.  
 
.WINDS 20 KT OR LESS REMAINDER OF FORECAST AREA.  
 
.SEAS 4 TO 5 M S OF LINE 25S170W 19S169W 15S158W 21S135W 16S127W  
17S120W. SEAS 2.5 TO 4 M ELSEWHERE S OF LINE 13S160E 14S164E  
18S165E 20S169E 16S170E 21S175W 08S170W 09S146W 15S148W 18S141W  
10S139W 04S120W.  
.24 HOUR FORECAST SEAS 2.5 TO 4 M S OF LINE 12S160E 08S163E  
13S179E 19S177E 19S178W 09S161W 18S141W 08S139W 01S120W.  
.48 HOUR FORECAST SEAS 2.5 TO 4 M S OF LINE 20S160E 22S166E  
11S167E 09S179E 18S169W 19S140W 04S140W 00S131W.  
 
.SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA.  
 
.ISOLATED MODERATE TSTMS FROM 10S TO 06S BETWEEN 170W AND 168W.  
 

 
 
.FORECASTER TROTTER. HONOLULU HI.  
 
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