529
FZPN40 PHFO 221059
HSFNP
HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1100 UTC WED APR 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC APR 22 2026.
24 HOUR FORECAST VALID 0600 UTC APR 23 2026.
48 HOUR FORECAST VALID 0600 UTC APR 24 2026.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.FRONT 30N176W 28N180W MOVING E 15 KT.
.24 HOUR FORECAST FRONT 30N170W 26N180W.
.48 HOUR FORECAST FRONT 30N165W 25N180W.
.TROUGH 28N167W 25N164W 22N164W MOVING N 10 KT.
.24 HOUR FORECAST TROUGH DISSIPATED.
.LOW N OF AREA. FRONT 30N152W 27N152W 24N155W AND 30N151W 27N149W.
.24 HOUR FORECAST LOW 28N148W 1017 MB. FRONT FROM LOW TO 28N146W
27N146W 23N148W AND 28N146W 27N142W.
.48 HOUR LOW DISSIPATED. FRONT WEAKENED TO TROUGH 27N142W 24N142W
20N143W.
.WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.
SEAS 2.5 TO 3 M N OF LINE 26N180W 30N177W
AND N OF 27N BETWEEN 160W
AND 150W...AND FROM 18N TO 27N E OF 149W.
24 HOUR FORECAST SEAS 2.5 TO 3 M N OF LINE 27N180W 30N179W
AND
FROM 11N TO 16N E OF 147W.
.48 HOUR FORECAST SEAS LOWERED BELOW 2.5 M.
.SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA.
.ITCZ 02N140W 03N160W 04N173W 04N180W. ISOLATED MODERATE TSTMS
WITHIN 300 NM N OF ITCZ...AND 210 NM S OF ITCZ.
.ISOLATED MODERATE TSTMS WITHIN 90 NM OF POINT 16N147W.
.FORECASTER M BALLARD. HONOLULU HI.
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