000
FZPN40 PHFO 252200
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 UTC SAT SEP 25 2021

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 160E

SYNOPSIS VALID 1800 UTC SEP 25 2021.
24 HOUR FORECAST VALID 1800 UTC SEP 26 2021.
48 HOUR FORECAST VALID 1800 UTC SEP 27 2021.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.DISSIPATING FRONT FROM 30N168W TO 28N180E TO 29N173E NEARLY STATIONARY.
ISOLATED MODERATE TSTMS WITHIN 60 NM OF FRONT BETWEEN 175E AND 175W.
.24 HOUR FORECAST FRONT DISSIPATED.

.TROUGH FROM 17N148W TO 07N159W MOVING NW 10 KT. S WINDS 20 TO 25 KT
WITHIN 180 NM SE OF TROUGH...AND E WINDS 20 TO 25 KT ELSEWHERE FROM
16N TO 22N BETWEEN 155W AND 147W. ISOLATED MODERATE TSTMS WITHIN 180
NM OF TROUGH W OF 150W.
.24 HOUR FORECAST TROUGH FROM 17N155W TO 11N161W. E WINDS 20 TO 25
KT FROM 14N TO 23N BETWEEN 162W AND 157W.
.48 HOUR FORECAST TROUGH FROM 20N163W TO 18N164W. E WINDS 20 TO 25
KT FROM 13N TO 20N BETWEEN 157W AND 150W... AND FROM 17N TO 23N BETWEEN
170W AND 160W.

.TROUGH FROM 23N165E TO 17N160E MOVING W SLOWLY. SCATTERED MODERATE
TSTMS FROM 15N TO 25N W OF 170E.
.24 HOUR FORECAST TROUGH FROM 26N162E TO 23N160E.
.48 HOUR FORECAST TROUGH MOVED W OF AREA. S TO SE WINDS 20 TO 25 KT
FROM 23N TO 27N W OF 162E.

.NE TO E WINDS 20 TO 25 KT FROM 20N TO 27N BETWEEN 178W AND 160W... AND
FROM 17N TO 23N BETWEEN 173E AND 180W.
.24 HOUR FORECAST E WINDS 20 TO 25 KT FROM 20N TO 27N BETWEEN 178W
AND 162W.
.48 HOUR FORECAST E TO SE WINDS 20 TO 25 KT S OF 09N BETWEEN 178W
AND 155W.

.RIDGE FROM 22N169E TO 13N160E MOVING W SLOWLY.

.OTHERWISE...WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.

.SEAS 8 TO 10 FT FROM 11N TO 23N BETWEEN 154W AND 147W.
.24 HOUR FORECAST SEAS 8 TO 9 FT FROM 14N TO 18N BETWEEN 158W AND 155W.
.48 HOUR FORECAST SEAS 8 TO 9 FT FROM 24N TO 27N W OF 161E.

.OTHERWISE...SEAS 8 FT OR LOWER OVER REMAINDER OF FORECAST AREA.

.SCATTERED MODERATE TSTMS FROM 20N TO 26N BETWEEN 175W AND 170W... FROM
13N TO 16N BETWEEN 180E AND 175W...AND N OF 25N W OF 170E.

.ITCZ FROM 09N140W TO 08N147W TO 10N148W...AND FROM 08N164W TO 04N173E
TO 04N162E. SCATTERED MODERATE TSTMS WITHIN 210 NM N OF ITCZ W OF 178E.
ISOLATED MODERATE TSTMS WITHIN 150 NM N OF ITCZ E OF 147W.

$$

.FORECASTER SHIGESATO. HONOLULU HI.