FZPN40 PHFO 252123

HSFNP 



HIGH SEAS FORECAST

NATIONAL WEATHER SERVICE HONOLULU HI

2300 UTC SAT APR 25 2026



SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 180W



SYNOPSIS VALID 1800 UTC APR 25 2026.

24 HOUR FORECAST VALID 1800 UTC APR 26 2026.

48 HOUR FORECAST VALID 1800 UTC APR 27 2026.



.WARNINGS.



.NONE.

   

.SYNOPSIS AND FORECAST.



.TROUGH 27N154W 22N153W MOVING W 15 KT. 

.24 HOUR FORECAST TROUGH 27N160W 23N158W. 

.48 HOUR FORECAST TROUGH 30N160W 23N163W.



.TROUGH FROM 22N140W 14N146W MOVING W 10 KT.  

.24 HOUR FORECAST TROUGH DISSIPATED. 



.TROUGH 30N165W 28N167W MOVING W SLOWLY.

.24 HOUR FORECAST TROUGH 30N166W 27N167W.

.48 HOUR FORECAST TROUGH 30N165W 28N167W.



.24 HOUR FORECAST NEW TROUGH 30N176W 27N180W.

.48 HOUR FORECAST TROUGH 30N170W 27N174W 25N180W. WINDS 20 TO 25 

KT N OF TROUGH.



.WINDS 20 TO 25 KT FROM 13N TO 10N W OF 165W.

.24 HOUR FORECAST WINDS 20 TO 25 KT FROM 20N TO 10N W OF 167W.

.48 HOUR FORECAST WINDS 20 TO 25 KT FROM 20N TO 10N W OF 170W.



.WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.



.SEAS 2.5 TO 3 M FROM 13N TO 09N W OF 170W.

.24 HOUR FORECAST SEAS 2.5 TO 3 M FROM 16N TO 09N W OF 168W.

.48 HOUR FORECAST SEAS 2.5 TO 3 M FROM 18N TO 10N W OF 172W.



.SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA.



.ITCZ 06N140W 05N163W 04N180W. SCATTERED MODERATE TSTMS WITHIN 150 

NM OF ITCZ E OF 162W. ISOLATED MODERATE TSTMS FROM 10N TO 03N W OF 

162W. 



$$



.FORECASTER WROE. HONOLULU HI.