292   
FZPS40 PHFO 042238  
HSFSP   
  
HIGH SEAS FORECAST  
NATIONAL WEATHER SERVICE HONOLULU HI  
2330 UTC SAT JAN 04 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS  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 1800 UTC JAN 04 2025.  
24 HOUR FORECAST VALID 1800 UTC JAN 05 2025.  
48 HOUR FORECAST VALID 1800 UTC JAN 06 2025.  
  
.WARNINGS.  
  
.NONE.  
  
.SYNOPSIS AND FORECAST.  
  
.LOW NEAR 16S164W 1008 MB MOVING SE 15 KT. TROUGH 25S172W 19S180W  
TO LOW TO 13S160E. TROUGH MOVING SE SLOWLY.  
.24 HOUR FORECAST LOW NEAR 15S177W 1007 MB. TROUGH 25S167W   
21S170W TO LOW TO 15S160E. NW WINDS 20 TO 25 KT WITHIN 150 NM  
NE QUADRANT OF LOW. SE WINDS 20 TO 25 KT S OF 19S W OF 170E.  
.48 HOUR FORECAST LOW NEAR 20S171W 1004 MB. TROUGH 25S169W   
TO LOW TO 12S173E 11S160E. WINDS 20 TO 30 KT IN AREA   
BOUNDED BY 10S176E 14S166W 25S165W 11S175E 10S176E.  
  
.TROUGH FROM 25S160W TO 22S163W MOVING SW SLOWLY. ISOLATED  
MODERATE TSTMS WITHIN 150 NM OF TROUGH.  
.24 HOUR FORECAST TROUGH FROM 25S164W TO 23S168W.  
.48 HOUR FORECAST TROUGH MERGED WITH LOW AND TROUGH DESCRIBED  
ABOVE.  
  
.TROUGH FROM 25S148W TO 14S160W MOVING S 10 KT. ISOLATED  
MODERATE TSTMS WITHIN 150 NM OF TROUGH.  
.24 HOUR FORECAST TROUGH FROM 25S150W TO 19S156W.  
.48 HOUR FORECAST TROUGH DISSIPATED.  
  
.TROUGH FROM 25S131W TO 22S132W NEARLY STATIONARY. ISOLATED  
MODERATE TSTMS WITHIN 150 NM OF TROUGH.  
.24 HOUR FORECAST TROUGH FROM 25S131W TO 22S131W  
.48 HOUR FORECAST TROUGH FROM 25S131W TO 22S133W  
  
.48 HOUR SEAS 8 TO 11 FT FROM 20S TO 12S BETWEEN 166W AND 175W.  
SEAS 8 TO 9 FT N OF LINE 00S164W 04S170W 00S173W.   
  
.WINDS 20 KT OR LESS AND SEAS 8 FT OR LOWER OVER REMAINDER OF   
FORECAST AREA.  
  
.SCATTERED MODERATE TO STRONG TSTMS FROM 20S TO 07S BETWEEN  
160W AND 175E.  
  
  
  
.FORECASTER FOSTER. HONOLULU HI.  
 
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