FZPS40 PHFO 070919

HSFSP 



HIGH SEAS FORECAST

NATIONAL WEATHER SERVICE HONOLULU HI

1130 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC APR 07 2025.

24 HOUR FORECAST VALID 0600 UTC APR 08 2025.

48 HOUR FORECAST VALID 0600 UTC APR 09 2025.



.WARNINGS.



.NONE.



.SYNOPSIS AND FORECAST.



.FRONT 25S152W 24S153W MOVING E SLOWLY. ISOLATED MODERATE TSTMS

WITHIN 120 NM E OF FRONT.

.24 HOUR FORECAST FRONT DISSIPATED. 



.TROUGH 25S172E 21S163E. TROUGH NEARLY STATIONARY. ISOLATED

MODERATE TSTMS WITHIN 60 NM N OF TROUGH W OF 168E.

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

25 KT S OF TROUGH.

.48 HOUR FORECAST TROUGH 25S174E 23S170E 23S167E 20S160E. SE WINDS

20 TO 25 KT S OF TROUGH.



.TROUGH 18S175E 16S173E 17S167E 14S160E MOVING W SLOWLY. 

SCATTERED MODERATE TSTMS WITHIN 120 NM OF TROUGH. ISOLATED 

MODERATE TSTMS N OF 18S W OF 180W.

.24 HOUR FORECAST TROUGH MOVED W OF AREA.



.TROUGH 21S164W 18S171W 15S172W MOVING W SLOWLY. SCATTERED

MODERATE TSTMS FROM 14S TO 21S BETWEEN 173W AND 162W.

.24 HOUR FORECAST TROUGH DISSIPATED.



.TROUGH 22S120W 17S127W MOVING W SLOWLY. ISOLATED MODERATE TSTMS 

S OF 22S E OF 125W. SE WINDS 20 TO 25 KT S OF LINE 25S122W 20S130W

25S138W.

.24 HOUR FORECAST TROUGH 15S132W 21S128W 25S120W. 

.48 HOUR FORECAST TROUGH 17S133W 25S125W. 



.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.



.SEAS 12 TO 15 FT S OF LINE 25S137W 19S132W 18S120W. SEAS 8 TO 12

FT ELSEWHERE S OF LINE 25S150W 12S142W 08S130W 12S120W. SEAS 8 TO

9 FT S OF 24S BETWEEN 162E AND 167E.

.24 HOUR FORECAST SEAS 8 TO 12 FT E OF LINE 03S120W 04S135W

25S140W. SEAS 8 TO 9 FT N OF 02S BETWEEN 175W AND 140W.

.48 HOUR FORECAST SEAS 8 TO 12 FT S OF LINE 20S160E 22S166E

22S177E 25S180W. SEAS 8 TO 19 FT S OF LINE 00S160W 15S120W. SEAS 8

TO 9 FT S OF LINE 25S133W 20S120W.



.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA. 



.ITCZ 03S120W 06S127W 03S133W 07S145W 07S153W 06S157W 06S169W

04S175W 02S174E. SCATTERED MODERATE TSTMS WITHIN 270 NM OF ITCZ.

ISOLATED TO SCATTERED MODERATE TSTMS ELSEWHERE N OF 12S E OF 167E.



$$



.FORECASTER JELSEMA. HONOLULU HI.