579
FZPN40 PHFO 122214
HSFNP
HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 UTC TUE MAY 12 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC MAY 12 2026.
24 HOUR FORECAST VALID 1800 UTC MAY 13 2026.
48 HOUR FORECAST VALID 1800 UTC MAY 14 2026.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.TROUGH 30N140W 28N144W 26N147W NEARLY STATIONARY AND
DISSIPATING.
.24 HOUR FORECAST TROUGH DISSIPATED.
.TROUGH 08N140W 04N143W MOVING W SLOWLY. ISOLATED MODERATE TSTMS
FROM 09N TO 04N E OF 145W.
.24 HOUR FORECAST TROUGH DISSIPATED.
.24 HOUR FORECAST NEW TROUGH 28N160W 23N159W.
.48 HOUR FORECAST TROUGH 30N157W 22N157W.
.WINDS 20 TO 25 KT FROM 24N TO 09N W OF 142W.
.24 HOUR FORECAST WINDS 20 TO 25 KT FROM 18N TO 07N BETWEEN 169W
AND 143W.
.48 HOUR FORECAST WINDS 20 TO 25 KT IN AREA BOUNDED BY 30N167W
23N180W 07N180W 08N168W 24N162W 30N146W.
.WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.
.SEAS 2.5 TO 3 M IN AREA BOUNDED BY 22N174W 08N178W 08N156W
18N144W 17N163W 23N167W 22N174W.
.24 HOUR FORECAST SEAS 2.5 TO 3 M IN AREA BOUNDED BY 27N180W
18N167W 18N154W 25N150W 25N140W 10N140W 06N153W 10N180W.
.48 HOUR FORECAST SEAS 2.5 TO 3 M N OF LINE 30N168W 25N180W
08N180W 10N140W 24N140W 30N150W.
.SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA.
.ITCZ 04N149W 03N165W 04N180W. SCATTERED MODERATE TSTMS FROM 11N
TO ITCZ W OF 155W.
.ISOLATED MODERATE TSTMS FROM 22N TO 20N BETWEEN 175W AND
171W...AND S OF 01N BETWEEN 173W AND 165W.
.FORECASTER TROTTER. HONOLULU HI.
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