FZPN40 PHFO 220332

HSFNP 



HIGH SEAS FORECAST

NATIONAL WEATHER SERVICE HONOLULU HI

0500 UTC SUN MAR 22 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC MAR 22 2026.

24 HOUR FORECAST VALID 0000 UTC MAR 23 2026.

48 HOUR FORECAST VALID 0000 UTC MAR 24 2026.



.WARNINGS.



.NONE.



.SYNOPSIS AND FORECAST.



.LOW NEAR 26N156W 1007 MB MOVING NE 15 KT. WARM FRONT FROM LOW TO

30N152W. TROUGH FROM LOW TO 21N163W TO 17N170W. SECOND TROUGH 

25N164W 20N159W 15N163W. FIRST TROUGH MOVING ENE SLOWLY AND SECOND

TROUGH NEARLY STATIONARY. WARM FRONT MOVING NE 15 KT. WINDS 20 TO

30 KT N OF LINE 30N164W 25N167W 25N161W 29N152W 28N147W 30N145W. 

SCATTERED MODERATE TSTMS WITHIN 150 NM OF LOW...WARM FRONT...AND 

SECOND TROUGH.

.24 HOUR FORECAST LOW MOVED N OF AREA. NEW COLD FRONT 30N150W 

26N152W THENCE TROUGH 20N159W 15N164W. SECOND TROUGH MERGED WITH 

FIRST TROUGH. WINDS EASED TO 20 KT OR LESS.

.48 HOUR FORECAST COLD FRONT 30N142W 26N145W THENCE TROUGH 

22N152W.



.TROUGH 30N170W 24N169W MOVING WSW 10 KT. 

.24 HOUR FORECAST TROUGH 27N173W 21N174W.

.48 HOUR FORECAST TROUGH MOVED W OF AREA.



.24 HOUR FORECAST NEW TROUGH 18N153W 12N158W. 

.48 HOUR FORECAST TROUGH 21N147W 14N151W 10N154W.



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



.SEAS 2.5 TO 4.5 M NW OF LINE 30N146W 15N164W 08N180W.

.24 HOUR FORECAST SEAS 2.5 TO 3 M N OF LINE 30N147W 27N153W 

20N161W 09N167W 11N180W.

.48 HOUR FORECAST SEAS 2.5 TO 3 M N OF LINE 30N162W 24N176W 

17N178W 19N163W 30N149W.



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



.ITCZ 03N140W 06N154W 08N169W 08N180W. ISOLATED MODERATE TSTMS 

FROM 08N TO 03N E OF 144W...11N TO 05N BETWEEN 165W AND 154W... 

AND FROM 11N TO 03N W OF 168W.



$$



.FORECASTER TROTTER. HONOLULU HI.