FZPN40 PHFO 110241

HSFNP 



HIGH SEAS FORECAST

NATIONAL WEATHER SERVICE HONOLULU HI

0500 UTC THU DEC 11 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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



NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E



SYNOPSIS VALID 0000 UTC DEC 11 2025.

24 HOUR FORECAST VALID 0000 UTC DEC 12 2025.

48 HOUR FORECAST VALID 0000 UTC DEC 13 2025.



.WARNINGS.



...GALE WARNING...



.FRONT 30N172E 27N172E 21N163E THENCE TROUGH 19N160E MOVING 

E 20 KT. WINDS 30 TO 35 KT N OF 27N BETWEEN 178E AND 172E. 

WINDS 20 TO 30 KT ELSEWHERE N OF 26N BETWEEN 180W AND 160E. 

.24 HOUR FORECAST FRONT 30N180W 25N177E 21N175E THENCE TROUGH

19N174E. 20 TO 30 KT WITHIN 120 NM OF FRONT AND TROUGH. 

.48 HOUR FORECAST FRONT 30N173W 25N175W 20N178W THENCE TROUGH

17N178W. WINDS 30 TO 35 KT N OF LINE 30N175W 25N170W 30N165W. 

WINDS 20 TO 30 KT ELSEWHERE N OF LINE 30N175E 20N170E 20N175W

30N165W. 



.SYNOPSIS AND FORECAST.



.FRONT 30N154W 25N160W 23N162W THENCE TROUGH 20N173W MOVING 

W 20 KT. 

.24 HOUR FORECAST FRONT 30N148W 25N155W 20N160W THENCE TROUGH 

18N162W. 

.48 HOUR FORECAST FRONT 30N143W 25N150W THENCE TROUGH 20N156W. 



.TROUGH 18N164E 15N163E 12N164E MOVING W 15 KT. 

.24 HOUR FORECAST TROUGH MOVED W OF AREA. 



.LOW 01N164E 1006 MB. TROUGH FROM LOW TO 03N160E. 

.24 HOUR FORECAST LOW AND TROUGH DISSIPATED. 



.WINDS 20 TO 30 KT N OF 27N BETWEEN 143W AND 158W. 

.24 HOUR FORECAST WINDS 20 TO 30 KT N OF 27N BETWEEN 145W AND

140W.

.48 HOUR FORECAST WINDS DECREASING TO LESS THAN 20 KT.



.SEAS 2.5 TO 4 M N OF LINE 25N160E 12N180W 20N160W 20N150W 30N140W.

.24 HOUR FORECAST SEAS 2.5 TO 4 M N OF LINE 18N160E 22N170E 25N180W

30N178W AND 30N170W 18N160W 15N140W. 

.48 HOUR FORECAST SEAS 2.5 TO 4 M N OF LINE 15N160E 23N180W 25N175W 

30N173W AND 30N165W 22N150W 30N140W. 



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

OF THE FORECAST AREA.



.ITCZ 08N140W 07N160W 06N170W 09N178W 05N175E. ISOLATED MODERATE

TSTMS WITHIN 120 NM OF ITCZ E OF 152W AND W OF 175W. 



.ISOLATED MODERATE TSTMS WITHIN 120 NM OF POINT 10N180W...AND

WITHIN 90 NM OF LINE 30N154W 25N154W...AND N OF 22N BETWEEN 180W

AND 175E. 



$$



.FORECASTER PECHACEK. HONOLULU HI.