FZPS40 PHFO 070318

HSFSP 



HIGH SEAS FORECAST

NATIONAL WEATHER SERVICE HONOLULU HI

0530 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC APR 07 2025.

24 HOUR FORECAST VALID 0000 UTC APR 08 2025.

48 HOUR FORECAST VALID 0000 UTC APR 09 2025.



.WARNINGS.



.NONE.



.SYNOPSIS AND FORECAST.



.FRONT 25S151W 20S155W MOVING SE SLOWLY. ISOLATED MODERATE TSTMS

FROM WITHIN 180 NM OF FRONT.

.24 HOUR FORECAST FRONT WEAKENED TO TROUGH 25S149W 22S151W.

.48 HOUR FORECAST TROUGH DISSIPATED.



.TROUGH 25S172E 22S167E 20S165E. TROUGH MOVING E SLOWLY. 

.24 HOUR FORECAST TROUGH 25S176E 20S168E.

.48 HOUR FORECAST TROUGH DISSIPATED.



.TROUGH 20S120W 14S128W MOVING W SLOWLY. 

.24 HOUR FORECAST TROUGH 23S120W 15S128W. 

.48 HOUR FORECAST TROUGH 25S121W 14S133W.



.TROUGH 19S165W 17S170W 11S174W MOVING W SLOWLY. SCATTERED MODERATE

TSTMS FROM 21S TO 12S BETWEEN 173W AND 158W.

.24 HOUR FORECAST TROUGH 18S175W 12S175W.

.48 HOUR FORECAST TROUGH DISSIPATED.



.TROUGH 16S171E 14S163E 12S160E MOVING SW SLOWLY. ISOLATED MODERATE 

TSTMS WITHIN 150 NM OF TROUGH.

.24 HOUR FORECAST TROUGH 17S166E 14S160E.

.48 HOUR FORECAST TROUGH 17S163E 15S160E.



.24 HOUR FORECAST NEW TROUGH 08S138W 06S156W 04S176W.

.48 HOUR FORECAST TROUGH 10S138W 07S161W 08S176E 05S169E.



.24 HOUR FORECAST NEW TROUGH 05S122W 03S132W.

.48 HOUR FORECAST TROUGH 06S126W 03S131W.



.WINDS 20 TO 25 KT S OF 20S BETWEEN 140W AND 124W. 

.24 HOUR FORECAST WINDS EASED TO 20 KT OR LESS.



.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.



.SEAS 12 TO 14 FT S OF 21S E OF 135W. SEAS 8 TO 12 FT 

ELSEWHERE S OF LINE 25S148W 10S137W 10S124W 17S120W.

.24 HOUR FORECAST SEAS 8 TO 11 FT S OF 05S E OF 140W.

.48 HOUR FORECAST SEAS 8 TO 10 FT N OF LINE 18S120W 07S134W 

00S168W.



.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA. 



.ITCZ 03S120W 04S125W 03S136W 05S150W 04S165W. SCATTERED MODERATE

TSTMS WITHIN 270 NM OF ITCZ.



.ISOLATED MODERATE TSTMS FROM 11S TO 02S BETWEEN 171E AND 177W...

AND FROM 16S TO 11S BETWEEN 164W AND 157W.



$$



.FORECASTER TROTTER. HONOLULU HI.