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000
FZPS40 PHFO 180315
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0530 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC APR 18 2024.
24 HOUR FORECAST VALID 0000 UTC APR 19 2024.
48 HOUR FORECAST VALID 0000 UTC APR 20 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT FROM 25S161W TO 23S162W...THENCE TROUGH TO 17S169W TO
14S176W TO 13S174E TO 07S169E. FRONT AND TROUGH MOVING E SLOWLY
E OF 175W. TROUGH MOVING SW SLOWLY ELSEWHERE. E TO SE WINDS 20 TO
25 KT S OF TROUGH W OF 175W. SCATTERED MODERATE TSTMS WITHIN
210 NM OF TROUGH W OF 175W. ISOLATED MODERATE TSTMS WITHIN 150 NM
OF TROUGH ELSEWHERE.
.24 HOUR FORECAST FRONT MOVED S OF AREA. TROUGH FROM 25S158W TO
15S166W TO 13S175E TO 07S160E. E TO SE WINDS 20 TO 25 KT S OF
TROUGH BETWEEN 175W AND 1769E.
.48 HOUR FORECAST TROUGH FROM 25S152W TO 14S164W TO 13S180E TO
16S171E TO 08S160E. E TO SE WINDS 20 TO 25 KT S OF TROUGH BETWEEN
175W AND 169E.

.TROUGH FROM 14S160E TO 16S164E TO 17S168E MOVING SW SLOWLY. E TO
SE WINDS 20 TO 25 KT S OF TROUGH. SCATTERED MODERATE TSTMS WITHIN
300 NM OF TROUGH.
.24 HOUR FORECAST TROUGH FROM 17S160E TO 25S164E. WINDS DIMINISHED
TO 20 KT OR LESS.
.48 HOUR FORECAST TROUGH FROM 19S160E TO 25S164E.

.TROUGH FROM 21S120W TO 16S132W TO 14S144W TO 11S151W TO 05S156W
MOVING W SLOWLY. E TO SE WINDS 20 TO 25 KT S OF TROUGH E OF 140W.
ISOLATED MODERATE TSTMS WITHIN 120 NM OF TROUGH.
.24 HOUR FORECAST TROUGH FROM 21S120W TO 20S133W TO 14S143W. E TO
SE WINDS 20 TO 25 KT S OF TROUGH E OF 145W.
.48 HOUR FORECAST TROUGH FROM 21S120W TO 18S130W TO 17S141W. E TO
SE WINDS 20 TO 25 KT S OF TROUGH.

.TROUGH FROM 11S131W TO 08S136W TO 05S140W MOVING W SLOWLY.
ISOLATED MODERATE TSTMS WITHIN 120 NM OF TROUGH.
.24 HOUR FORECAST TROUGH DISSIPATED.

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

.SEAS 8 TO 10 FT S OF 19S E OF 143W...S OF 17S BETWEEN 177E AND
169E...AND FROM 12S TO 17S W OF 167E.
.24 HOUR FORECAST SEAS 8 TO 12 FT S OF 20S E OF 135W. SEAS 8 TO
9 FT S OF 15S BETWEEN 177E AND 169E.
.48 HOUR FORECAST SEAS 8 TO 12 FT S OF 20S E OF 140W.

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

.ISOLATED MODERATE TSTMS N OF 05S BETWEEN 125W AND 135W.

$$

.FORECASTER AHUE. HONOLULU HI.