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000
FZPN40 PHFO 182214
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 UTC THU APR 18 2024

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 APR 18 2024.
24 HOUR FORECAST VALID 1800 UTC APR 19 2024.
48 HOUR FORECAST VALID 1800 UTC APR 20 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WEAK STATIONARY FRONT FROM 30N141W TO 26N141W TO 20N147W.
.24 HOUR FORECAST FRONT DISSIPATED. TROUGH FROM 28N140W TO 23N143W.
.48 HOUR FORECAST TROUGH DISSIPATED.

.WEAK FRONT FROM 30N171E TO 26N166E THENCE A TROUGH TO 22N160E
NEARLY STATIONARY. ISOLATED MODERATE TSTMS WITHIN 60 NM OF FRONT.
.24 HOUR FORECAST FRONT MOVED N OF AREA. TROUGH FROM 30N166E TO
28N160E
.48 HOUR FORECAST TROUGH MERGED WITH FRONT DESCRIBED BELOW.

.48 HOUR FORECAST NEW FRONT FROM 30N165E TO 28N164E TO 25N160E. SW
WINDS 20 TO 25 KT WITHIN 90 NM E OF FRONT N OF 28N.

.NE TO E WINDS 20 TO 25 KT AND SEAS 8 TO 10 FT FROM 06N TO 15N
BETWEEN 160W AND 170E...AND FROM 21N TO 25N BETWEEN 165W AND 180E.
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT AND SEAS 8 TO 9 FT
FROM 06N TO 15N E OF 175W...AND FROM 07N TO 13N BETWEEN 175W AND
170E.
.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT AND SEAS 8 TO 9 FT
FROM 08N TO 15N E OF 180E.

.WINDS 20 KT OR LESS AND SEAS 8 FT OR LOWER OVER REMAINDER OF AREA.

.ITCZ FROM 07N172W TO 04N175E TO 06N160E. ISOLATED MODERATE TSTMS
WITHIN 150 NM OF ITCZ.

.ISOLATED MODERATE TSTMS WITHIN 90 NM OF A LINE FROM 08N161W TO
05N167W.

$$

.FORECASTER WROE. HONOLULU HI.