403
FZPN40 PHFO 230254
HSFNP
HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC FRI OCT 23 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC OCT 23 2026.
24 HOUR FORECAST VALID 0000 UTC OCT 24 2026.
48 HOUR FORECAST VALID 0000 UTC OCT 25 2026.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.LOW 14N178W 1008 MB MOVING N SLOWLY. WINDS 20 TO 25 KT WITHIN
120 NM OF N SEMICIRCLE.
.24 HOUR FORECAST LOW 15N178W 1008 MB. WINDS 20 TO 25 KT FROM 15N
TO 22N W OF 173W.
.48 HOUR FORECAST LOW 16N177W 1006 MB. WINDS 20 TO 30 KT FROM 15N
TO 20N BETWEEN 180W AND 170W.
.TROUGH 30N156W 25N157W 22N156W MOVING W SLOWLY.
.24 HOUR FORECAST TROUGH 30N158W 25N158W 23N157W.
.48 HOUR FORECAST TROUGH DISSIPATED.
.TROUGH 15N152W 13N154W 11N153W MOVING W 5 KT.
.24 HOUR FORECAST TROUGH 16N155W 11N157W.
.48 HOUR FORECAST TROUGH DISSIPATED.
.FRONT 30N165W 29N170W 27N178W MOVING SE 15 KT.
.24 HOUR FORECAST FRONT 30N152W 26N160W 27N170W. WINDS 20 TO 25 KT
WITHIN 120 NM OF FRONT N OF 28N.
.48 HOUR FORECAST FRONT 30N145W 25N150W 23N160W. WINDS 20 TO 25 KT
WITHIN 90 NM OF FRONT N OF 27N.
.SEAS 2.5 TO 3 M FROM 13N TO 22N W OF 175W.
.24 HOUR FORECAST SEAS 2.5 TO 3 M FROM 12N TO 23N W OF 175W.
48 HOUR FORECAST SEAS 2.5 TO 3.5 M FROM 15N TO 25N W OF 174W
AND
N OF LINE 30N163W 25N160W 30N145W.
.WINDS 20 KT OR LESS AND SEAS 2.5 M OR LESS OVER REMAINDER OF
FORECAST AREA.
.ITCZ 08N152W 07N145W 05N140W. ISOLATED MODERATE TSTMS WITHIN
120 NM OF ITCZ.
.MONSOON TROUGH 12N180W 07N165W 08N158W. SCATTERED MODERATE TO
LOCALLY STRONG TSTMS FROM 08N TO 15N W OF 170W...AND FROM 05N TO 15N
BETWEEN 170W AND 160W. SCATTERED MODERATE TSTMS ELSEWHERE FROM
EQUATOR TO 05N BETWEEN 175W AND 165W.
.FORECASTER PECHACEK. HONOLULU HI.
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