545
FZPN40 PHFO 241521
HSFNP
HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC SAT OCT 24 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC OCT 24 2026.
24 HOUR FORECAST VALID 1200 UTC OCT 25 2026.
48 HOUR FORECAST VALID 1200 UTC OCT 26 2026.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.FRONT FROM 30N147W TO 27N150W TO 24N156W MOVING SE 15 KT.
ISOLATED MODERATE TSTMS WITHIN 120 NM E OF FRONT N OF 28N.
WINDS 20 TO 30 KT WITHIN 120 NM E OF FRONT N OF 29N.
.24 HOUR FORECAST FRONT FROM 30N143W TO 24N149W. WINDS 20 TO
25 KT N OF 28N WITHIN 150 NM E OF FRONT.
.48 HOUR FORECAST FRONT FROM 30N142W TO 23N147W. WINDS 20 TO
25 KT N OF 28N WITHIN 120 NM E FRONT.
.24 HOUR FORECAST NEW LOW 14N180W 1007 MB.
.48 HOUR FORECAST 13N176W 1005 MB. WINDS 20 TO 30 KT FROM
15N TO 21N W OF 172W. WINDS 20 TO 25 KT 180 NM N SEMICIRCLE
OF LOW.
.TROUGH FROM 22N152W TO 14N154W MOVING SE SLOWLY.
.24 HOUR FORECAST TROUGH FROM 20N152W TO 15N152W.
.48 HOUR FORECAST TROUGH FROM 19N150W TO 14N159W.
.SEAS 2.5 TO 3.5 M N OF A LINE FROM 30N152W TO 26N161W TO
30N164W.
.24 HOUR FORECAST SEAS 2.5 TO 3.5 M N OF A LINE FROM 30N141W
TO 26N144W TO 30N158W. SEAS 2.5 TO 3 M FROM 21N TO 16N W OF 171W.
.48 HOUR FORECAST SEAS 2.5 TO 3 M N OF 25N E OF 167W. SEAS 2.5
TO 3 M FROM 25N TO 16N W OF 175W.
.WINDS 20 KT OR LESS AND SEAS 2.5 M OR LOWER OVER REMAINDER OF
FORECAST AREA.
.MONSOON TROUGH FROM 09N163W TO 11N180W. SCATTERED MODERATE
TSTMS WITHIN 210 NM OF TROUGH.
.ISOLATED MODERATE TSTMS S OF 08S BETWEEN 152W AND 159W.
.FORECASTER THOMAS. HONOLULU HI.
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