FZPN40 PHFO 211048

HSFNP 



HIGH SEAS FORECAST

NATIONAL WEATHER SERVICE HONOLULU HI

1100 UTC SUN JUN 21 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 JUN 21 2026.

24 HOUR FORECAST VALID 0600 UTC JUN 22 2026.

48 HOUR FORECAST VALID 0600 UTC JUN 23 2026.



.WARNINGS.



.NONE.

   

.SYNOPSIS AND FORECAST.



.TROUGH 30N157W 25N161W 21N170W MOVING E SLOWLY. 

.24 HOUR FORECAST TROUGH 30N156W 24N158W.

.48 HOUR FORECAST TROUGH 30N159W 25N162W.



.TROUGH 22N143W 14N145W  MOVING W SLOWLY.

.24 HOUR FORECAST TROUGH 21N148W 16N148W 12N150W. 

.48 HOUR FORECAST TROUGH 21N152W 16N152W 13N153W. 



.ITCZ 06N140W 05N160W 03N180W...SCATTERED MODERATE TSTMS WITHIN 

300 NM OF ITCZ.



.WINDS 20 KT OR LESS AND SEAS 2.5 M OR LOWER OVER ENTIRE FORECAST

AREA.



$$



.FORECASTER VAUGHAN. HONOLULU HI.