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000
FZPS40 PHFO 182214
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2330 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

SOUTH PACIFIC EQUATOR TO 25S BETWEEN 120W 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.

.TROUGH FROM 12S140W TO 14S130W TO 21S120W NEARLY STATIONARY. E TO
SE WINDS 20 TO 30 KT AND SEAS 8 TO 12 FT S OF 20S E OF 140W.
ISOLATED MODERATE TSTMS WITHIN 150 NM S AND SW OF TROUGH E OF
130W...AND WITHIN 60 NM N OF TROUGH W OF 140W.
.24 HOUR FORECAST TROUGH FROM 15S130W TO 19S120W. E TO SE WINDS 20
TO 30 KT AND SEAS 8 TO 12 FT S OF 20S E OF 140W.
.48 HOUR FORECAST TROUGH FROM 14S127W TO 18S120W. E TO SE WINDS 20
TO 30 KT AND SEAS 8 TO 12 FT S OF 19S E OF 140W.

.TROUGH FROM 17S161W TO 23S156W MOVING SW SLOWLY. ISOLATED
MODERATE TO STRONG TSTMS WITHIN 210 NM E OF TROUGH.
.24 HOUR FORECAST TROUGH FROM 18S162W TO 25S157W.
.48 HOUR FORECAST TROUGH FROM 19S158W TO 25S151W.

.TROUGH FROM 08S166E TO 11S170E TO 12S178E MOVING SW SLOWLY.
SCATTERED MODERATE TSTMS WITHIN 210 NM OF TROUGH...AND WITHIN 90
NM OF POINT 15S175W.
.24 HOUR FORECAST TROUGH FROM 09S163E TO 15S172E.
.48 HOUR FORECAST TROUGH FROM 13S161E TO 19S170E.

.24 HOUR FORECAST NEW TROUGH FROM 23S160E TO 25S164E
.48 HOUR FORECAST TROUGH FROM 22S160E TO 23S166E. E TO SE WINDS 20
TO 25 KT S OF TROUGH.

.E TO SE WINDS 20 TO 25 KT AND SEAS 8 TO 9 FT FROM 21S TO 16S
BETWEEN 175W AND 170E.
.24 HOUR FORECAST E TO SE WINDS 20 TO 25 KT AND SEAS 8 TO 9 FT
FROM 20S TO 17S BETWEEN 175W AND 170E.
.48 HOUR FORECAST WINDS LOWERED TO 20 KT OR LESS AND SEAS SUBSIDED
TO 8 FT OR LESS.

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

.ITCZ FROM 04S157W TO 05S165W TO 04S173W. ISOLATED MODERATE TSTMS
WITHIN 120 NM OF ITCZ.

.ISOLATED MODERATE TSTMS WITHIN 90 NM OF LINE FROM 07S120W TO
06S130W.

$$

.FORECASTER WROE. HONOLULU HI.