FZPN40 PHFO 122218

HSFNP 



HIGH SEAS FORECAST

NATIONAL WEATHER SERVICE HONOLULU HI

2300 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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



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



SYNOPSIS VALID 1800 UTC DEC 12 2025.

24 HOUR FORECAST VALID 1800 UTC DEC 13 2025.

48 HOUR FORECAST VALID 1800 UTC DEC 14 2025.



.WARNINGS.



...GALE WARNING...

.FRONT 30N173W 22N176W 24N180E 15N160E MOVING E 25 KT. WINDS 20 

TO 30 KT WITHIN 420 NM NW OF FRONT... AND WITHIN 90 NM E OF FRONT 

N OF 22N. 

.24 HOUR FORECAST FRONT 30N159W 20N167W 18N170E. WINDS 30

TO 35 KT N OF 24N BETWEEN 156W AND 169W. WINDS 20 TO 30 KT ELSEWHERE

N OF 21N BETWEEN 152W.

.48 HOUR FORECAST FRONT 30N148W 19N161W THENCE TROUGH 14N176W.

WINDS 20 TO 30 KT N OF 28N BETWEEN 147W AND 154W. 



.SYNOPSIS AND FORECAST.



.FRONT 30N144W 24N152W THENCE TROUGH 18N161W MOVING NE 10 KT E OF 

160W AND NEARLY STATIONARY ELSEWHERE. WINDS 20 TO 

30 KT N OF 26N BETWEEN FRONT AND 140W.

.24 HOUR FORECAST FRONT WEAKENED TO TROUGH 30N143W 22N153W 18N163W.

WINDS EASED TO 20 KT OR LESS.

.48 HOUR FORECAST FRONT MOVED N OF AREA.



.24 HOUR FORECAST NEW FRONT 30N169E 25N160E. WINDS 20 TO 25 KT NW

OF FRONT. 

.48 HOUR FORECAST FRONT 30N180E 25N173E 25N164E. WINDS 20 TO 25 KT

NW OF FRONT. 



.48 HOUR FORECAST WINDS 20 TO 25 KT FROM 15N TO 20N W OF 175E. 



.SEAS 4 TO 5 M N OF LINE 30N180E 21N170E 21N162E. SEAS 2.5 TO 4 M

ELSEWHERE N OF LINE 30N175W 18N172E 16N160E. SEAS 2.5 TO 4 M N OF

24N BETWEEN 167W AND 143W. 

.24 HOUR FORECAST SEAS 4 TO 6 M N OF A LINE 30N170W 20N178W 18N170E.

SEAS 2.5 TO 4 M ELSEWHERE N OF A LINE 30N163W 20N178W 14N170E 

13N160E. 

.48 HOUR FORECAST SEAS 4 TO 7 M N OF LINE 30N150W 20N170W 23N180W.

SEAS 2.5 TO 4 M ELSEWHERE N OF LINE 30N145W 17N170W 10N170E

10N160E... EXCEPT FROM 28N TO 24N BETWEEN 164E AND 175E.



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

OF THE FORECAST AREA.



.ITCZ 07N140W 09N160W 06N171W 07N179E 05N163E. ISOLATED MODERATE 

TSTMS WITHIN 30 NM OF ITCZ BETWEEN 160W AND 150W. 





$$



.FORECASTER FOSTER. HONOLULU HI.