FZPN40 PHFO 042250

HSFNP 



HIGH SEAS FORECAST

NATIONAL WEATHER SERVICE HONOLULU HI

2300 UTC MON MAY 04 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 MAY 04 2026.

24 HOUR FORECAST VALID 1800 UTC MAY 05 2026.

48 HOUR FORECAST VALID 1800 UTC MAY 06 2026.



.WARNINGS.



.NONE.

   

.SYNOPSIS AND FORECAST.



.FRONT 30N151W 25N160W 22N170W NEARLY STATIONARY.

.24 HOUR FORECAST FRONT WEAKENING TO TROUGH 30N155W 26N160W. 

.48 HOUR FORECAST TROUGH MERGED WITH FRONT NEAR 30N155W.



.TROUGH 25N146W 20N145W MOVING W 10 KT. 

.24 HOUR FORECAST TROUGH 26N148W 24N150W.

.48 HOUR FORECAST TROUGH DISSIPATED. 



.24 HOUR FORECAST FRONT 30N174W 29N175W 30N176W. 

.48 HOUR FORECAST FRONT 30N157W 28N165W 30N170W.



.24 HOUR FORECAST NEW FRONT 30N156W 25N165W 24N170W.

.48 HOUR FORECAST FRONT 30N155W 25N157W 24N160W. WINDS 20 TO 30 KT

N OF 27N BETWEEN FRONT AND 145W. 



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



.SEAS 2.5 TO 3.5 M FROM 10N TO 25N W OF 170W...AND FROM 10N TO 15N

E OF 150W. 

.24 HOUR FORECAST SEAS 2.5 TO 3 M FROM 09N TO 15N.

.48 HOUR FORECAST SEAS 2.5 TO 4 M N OF LINE 30N155W 26N165W 

30N175W...AND FROM 08N TO 15N W OF 170W AND E OF 150W. 



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



.ITCZ 03N165W 10N146W 08N140W. SCATTERED MODERATE TSTMS WITHIN 90

NM OF ITCZ. 



.ISOLATED MODERATE TSTMS WITHIN 90 NM OF POINT 27N175W.



$$



.FORECASTER PECHACEK. HONOLULU HI.