FZPN40 PHFO 120955

HSFNP 



HIGH SEAS FORECAST

NATIONAL WEATHER SERVICE HONOLULU HI

1100 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC DEC 12 2025.

24 HOUR FORECAST VALID 0600 UTC DEC 13 2025.

48 HOUR FORECAST VALID 0600 UTC DEC 14 2025.



.WARNINGS.



...GALE WARNING...

.FRONT 30N177W 24N180E 20N173E 16N160E MOVING E 25 KT. WINDS 20 

TO 30 KT N OF LINE 30N173W 18N170E 21N173E 25N177W 30N175W. 

.24 HOUR FORECAST FRONT 30N167W 20N173W 17N180E 16N170E. WINDS 30

TO 25 KT N OF 27N BETWEEN 175W AND 165W. WINDS 20 TO 30 KT ELSEWHERE

N OF LINE 30N161W 20N170W 17N173E.

.48 HOUR FORECAST FRONT 30N153W 20N165W THENCE TROUGH 14N180W. WINDS

20 TO 30 KT N OF 25N BETWEEN 162W AND 148W. 



.SYNOPSIS AND FORECAST.



.FRONT 30N146W 20N155W 18N161W THENCE TROUGH 17N171W 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 30N142W 20N153W 18N160W.

WINDS EASED TO 20 KT OR LESS.

.48 HOUR FORECAST FRONT MOVED N OF AREA.



.TROUGH 30N150W 26N155W 25N162W MOVING NE 10 KT. 

.24 HOUR FORECAST TROUGH DISSIPATED.



.24 HOUR FORECAST NEW FRONT 30N164E 27N160E. WINDS 20 TO 25 KT NW

OF FRONT. 

.48 HOUR FORECAST FRONT 30N176E 25N170E 23N160E. WINDS 20 TO 25 KT

NW OF FRONT. 



.48 HOUR FORECAST NEW TROUGH 30N161W 25N168W. WINDS 20 TO 30 KT WITHIN

210 NM OF TROUGH.



.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 08N140W 07N160W 06N171W 08N175E 04N164E. ISOLATED MODERATE 

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



$$



.FORECASTER SHIGESATO. HONOLULU HI.