FZPN40 PHFO 040958

HSFNP 



HIGH SEAS FORECAST

NATIONAL WEATHER SERVICE HONOLULU HI

1100 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC MAY 04 2026.

24 HOUR FORECAST VALID 0600 UTC MAY 05 2026.

48 HOUR FORECAST VALID 0600 UTC MAY 06 2026.



.WARNINGS.



.NONE.

   

.SYNOPSIS AND FORECAST.



.FRONT 30N153W 25N160W 22N173W NEARLY STATIONARY. 

.24 HOUR FORECAST FRONT WEAKENED TO TROUGH 30N152W 28N154W 

21N170W.

.48 HOUR FORECAST TROUGH MERGED WITH NEW FRONT MENTIONED BELOW. 



.TROUGH 26N143W 23N143W MOVING W 10 KT.

.24 HOUR FORECAST TROUGH 25N147W 23N147W.

.48 HOUR FORECAST TROUGH DISSIPATED.



.48 HOUR FORECAST NEW FRONT 30N155W 25N160W 22N167W. NW WINDS 20 

TO 25 KT N OF 29N BETWEEN 170W AND 160W. 



.NE TO E WINDS 20 TO 25 KT IN AREA BOUNDED BY 24N180W 27N160W 

25N160W 20N173W 15N150W 11N150W 06N180W 24N180W.

.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT IN AREA BOUNDED BY 

19N150W 19N140W 10N140W 10N145W 12N150W 09N160W 10N167W 16N167W 

19N150W. 

.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT IN AREA BOUNDED BY

24N180W 21N173W 14N173W 14N162W 11N162W 08N170W 07N180W

24N180W...AND FROM 10N TO 18N E OF 148W. 



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



.SEAS 2.5 TO 3.5 M IN AREA BOUNDED BY 25N180W 30N167W 30N157W

25N160W 15N180W 25N180W. SEAS 2.5 TO 3 M FROM 08N TO 15N W OF

175W...AND FROM 08N TO 16N W OF 160W.

.24 HOUR FORECAST SEAS 2.5 TO 3 M FROM 07N TO 23N W OF 170W...AND

FROM 09N TO 16N E OF 166W.

.48 HOUR FORECAST SEAS 2.5 TO 3 M N OF 29N BETWEEN 175W AND

162W...W OF LINE 17N180W 15N160W 10N160W 06N180W...AND FROM 09N TO

18N E OF 148W.



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



.ITCZ 07N140W 10N147W 07N157W 04N161W 04N170W. ISOLATED MODERATE

TSTMS WITHIN 270 NM N AND 90 NM S OF ITCZ. 



.ISOLATED MODERATE TSTMS S OF 10N W OF 180W.



$$



.FORECASTER JELSEMA. HONOLULU HI.