FZPS40 PHFO 092305

HSFSP 



HIGH SEAS FORECAST

NATIONAL WEATHER SERVICE HONOLULU HI

2330 UTC FRI MAY 09 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 MAY 09 2025.

24 HOUR FORECAST VALID 1800 UTC MAY 10 2025.

48 HOUR FORECAST VALID 1800 UTC MAY 11 2025.



.WARNINGS.



...GALE WARNING...

.LOW NEAR 15S170E 1005 MB MOVING E 10 KT. TROUGH FROM 25S150W TO

14S154W TO 10S165W TO LOW TO 11S160E NEARLY STATIONARY. WINDS 20

TO 30 KT S OF A LINE FROM 12S163W TO 18S169W TO 13S160E.

SCATTERED MODERATE TSTMS WITHIN 300 NM OF LOW AND TROUGH.

.24 HOUR FORECAST LOW NEAR 17S173E 1004 MB. SECOND LOW NEAR 

17S178W 1004 MB. TROUGH FROM 25S137W TO 14S153W TO SECOND LOW TO

FIRST LOW TO 11S160E. WINDS 30 TO 35 KT FROM 19S TO 16S BETWEEN

174W TO 179W. WINDS 20 TO 30 KT ELSEWHERE S OF LINE FROM 15S166W 

TO 13S177W TO 18S176E TO 16S160E. 

.48 HOUR FORECAST FIRST LOW NEAR 18S1778E 1004 MB. SECOND LOW 

NEAR 19S174W 1000 MB. WINDS 30 TO 35 KT FROM 22S TO 16S BETWEEN

168W TO 178W. WINDS 20 TO 30 KT ELSEWHERE S OF 13S W OF 165W. 



.SYNOPSIS AND FORECAST.



.E WINDS 20 TO 25 KT E OF 140W.

.24 HOUR FORECAST WINDS DECREASED TO 20 KT OR BELOW.



.WINDS 20 KT OR LESS REMAINDER OF FORECAST AREA.



.SEAS 8 TO 12 FT S OF A LINE FROM 17S127W TO 22S139W TO 09S168W

TO 21S160E.

.24 HOUR FORECAST SEAS 8 TO 12 FT S OF A LINE FROM 25S131W TO 

14S177W TO 20S165E TO 16S160E.

.48 HOUR FORECAST SEAS 12 TO 17 FT FROM 22S TO 17S BETWEEN 170W

AND 174E. SEAS 8 TO 12 FT ELSEWHERE S OF 14S W OF 168W. SEAS 8 TO

11 FT S OF A LINE FROM 22S120W TO 19S131W TO 25S140W.



.SEAS 8 FT OR LOWER REMAINDER OF FORECAST AREA.



$$



.FORECASTER FOSTER. HONOLULU HI.