FZPS40 PHFO 071507

HSFSP 



HIGH SEAS FORECAST

NATIONAL WEATHER SERVICE HONOLULU HI

1730 UTC MON APR 07 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 07 2025.

24 HOUR FORECAST VALID 1200 UTC APR 08 2025.

48 HOUR FORECAST VALID 1200 UTC APR 09 2025.



.WARNINGS.



.NONE.



.SYNOPSIS AND FORECAST.



.TROUGH 25S152W 22S157W NEARLY STATIONARY. ISOLATED MODERATE 

TSTMS WITHIN 120 NM E OF TROUGH N OF 24S. 

.24 HOUR FORECAST TROUGH DISSIPATED.



.TROUGH 25S174E 23S170E 20S160E. TROUGH NEARLY STATIONARY. 

ISOLATED MODERATE TSTMS WITHIN 60 NM N OF TROUGH BETWEEN 165E AND

169E.

.24 HOUR FORECAST TROUGH 25S173E 23S170E 20S160E. SE WINDS 20 TO 

25 KT S OF TROUGH. 

.48 HOUR FORECAST TROUGH 25S173E 23S170E 23S167E 20S160E. SE 

WINDS 20 TO 30 KT S OF TROUGH.



.TROUGH 14S175E 16S172E 17S165E 14S160E. SCATTERED MODERATE TSTMS

WITHIN 150 NM S AND 60 NM N OF TROUGH. 

.24 HOUR FORECAST TROUGH MOVED W OF AREA.



.TROUGH 21S162W 20S170W 18S173W 14S173W MOVING W SLOWLY. 

SCATTERED MODERATE TSTMS FROM 13S TO 21S BETWEEN 173W AND 162W.

.24 HOUR FORECAST TROUGH DISSIPATED.



.TROUGH 25S120W 21S125W 20S130W MOVING W SLOWLY. ISOLATED 

MODERATE TSTMS WITHIN 60 NM OF TROUGH. SE WINDS 20 TO 25 KT S OF 

LINE 25S123W 21S127W 21S133W 25S133W. 

.24 HOUR FORECAST TROUGH 15S134W 22S128W 25S122W. .48 HOUR 

FORECAST TROUGH 17S133W 25S125W. 

.48 HOUR FORECAST TROUGH 17S133W 25S126W.



.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.



.SEAS 12 TO 14 FT S OF LINE 25S137W 20S130W 17S120W. SEAS 8 TO 12

FT ELSEWHERE S OF LINE 25S146W 20S146W 10S140W 07S130W 10S120W. 

SEAS 8 TO 9 FT S OF 24S BETWEEN 163E AND 170E. 

.24 HOUR FORECAST SEAS 8 TO 11 FT E OF LINE 00S135W 15S135W 

25S140W. SEAS 8 TO 9 FT N OF 03S BETWEEN 170W AND 135W...AND 

25S161E 22S163E 25S175E.

.48 HOUR FORECAST SEAS 8 TO 12 FT S OF LINE 20S160E 22S165E 

22S168E 18S175E 20S180W 25S180W. SEAS 8 TO 10 FT N OF LINE 00S145W

10S135W 10S120W. SEAS 8 TO 9 FT S OF LINE 25S125W 20S120W.



.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA. 



.ITCZ 03S120W 07S127W 07S130W 04S135W 08S145W 08S154W 05S160W

05S170W 04S176W 03S175E. SCATTERED MODERATE TSTMS WITHIN 270 NM 

OF ITCZ. ISOLATED TO SCATTERED MODERATE TSTMS ELSEWHERE N OF 12S 

E OF 180W.



.SCATTERED MODERATE TSTMS FROM 04S TO 07S BETWEEN 167E AND 173E. 

ISOLATED MODERATE TSTMS ELSEWHERE N OF 19S W OF 180W.



$$



.FORECASTER JELSEMA. HONOLULU HI.