FZPS40 PHFO 121514

HSFSP 



HIGH SEAS FORECAST

NATIONAL WEATHER SERVICE HONOLULU HI

1730 UTC FRI DEC 12 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 DEC 12 2025.

24 HOUR FORECAST VALID 1200 UTC DEC 13 2025.

48 HOUR FORECAST VALID 1200 UTC DEC 14 2025.



.WARNINGS.



...GALE WARNING...

.LOW NEAR 10S167E 1003 MB MOVING SE SLOWLY. TROUGH FROM 25S174W 

TO 15S174E TO LOW TO 07S160E NEARLY STATIONARY. WINDS 30 TO 35 KT 

WITHIN 60 NM E SEMICIRCLE OF LOW. WINDS 20 TO 30 KT ELSEWHERE WITHIN

150 NM NE OF LOW AND TROUGH. SCATTERED MODERATE TSTMS FROM TROUGH

TO 10S W OF 168E. ISOLATED MODERATE TSTMS ELSEWHERE FROM TROUGH TO

05S BETWEEN 167E AND 178E... AND WITHIN 150 NM SW OF TROUGH BETWEEN

170E AND 178E.

.24 HOUR FORECAST LOW NEAR 13S169E 997 MB. TROUGH FROM 25S175W TO 18S174E

TO LOW TO 08S160E. WINDS 30 TO 35 KT WITHIN 90 NM OF LOW. WINDS 20

TO 30 KT ELSEWHERE WITHIN 150 NM NE OF TROUGH AND LOW W OF 175E. 

SEAS 2.5 TO 4 M WITHIN 60 NM OF LOW.

.48 HOUR FORECAST LOW NEAR 16S172E 994 MB. TROUGH FROM 25S176W 19S178W

TO LOW TO 08S160E. WINDS 30 TO 40 KT WITHIN 120 NM OF LOW. WINDS 

20 TO 30 KT ELSEWHERE WITHIN 210 NM NE OF TROUGH BETWEEN 167E AND 

175E. SEAS 2.5 TO 4 M WITHIN 90 NM OF LOW.



.SYNOPSIS AND FORECAST.



.TROUGH 25S134W 20S144W 17S153W MOVING SE SLOWLY. ISOLATED MODERATE

TSTMS WITHIN 90 NM OF TROUGH.

.24 HOUR FORECAST TROUGH 25S134W 21S145W 19S152W.

.48 HOUR FORECAST TROUGH 25S130W 22S145W 23S148W 20S153W.



.TROUGH 19S135W 12S140W 10S150W MOVING SW SLOWLY. ISOLATED MODERATE

TSTMS WITHIN 60 NM OF TROUGH S OF 18S. 

.24 HOUR FORECAST TROUGH DISSIPATED.



.TROUGH 11S166W 08S174W 05S180W MOVING SW SLOWLY. ISOLATED MODERATE

TSTMS WITHIN 60 NM OF TROUGH BETWEEN 177W AND 173W. 

.24 HOUR FORECAST TROUGH DISSIPATED.



.WINDS 20 KT OR LESS AND SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST

AREA.



$$



.FORECASTER SHIGESATO. HONOLULU HI.