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000
FZPS40 PHFO 172320
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2330 UTC WED APR 17 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 17 2024.
24 HOUR FORECAST VALID 1800 UTC APR 18 2024.
48 HOUR FORECAST VALID 1800 UTC APR 19 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT FROM 25S166W TO 24S169W MOVING SE SLOWLY.
.24 HOUR FORECAST FRONT MOVED S OF AREA.

.TROUGH FROM 10S132W TO 08S136W TO 05S139W MOVING W SLOWLY. WIDELY
SCATTERED MODERATE TSTMS WITHIN 270 NM N OF TROUGH. ISOLATED
MODERATE TSTMS WITHIN 120 NM S OF TROUGH.
.24 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH FROM 19S120W TO 16S132W TO 14S144W TO 10S152W TO 04S156W
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 20S127W TO 14S132W TO
14S145W. E TO SE WINDS 20 TO 25 KT S OF TROUGH E OF 145W.
.48 HOUR FORECAST TROUGH FROM 22S120W TO 21S130W TO 17S143W. E TO
SE WINDS 20 TO 25 KT S OF TROUGH.

.TROUGH FROM 14S172W TO 11S175E TO 06S166E MOVING SW SLOWLY. E TO
SE WINDS 20 TO 25 KT S OF TROUGH BETWEEN 175W AND 169E. SCATTERED
MODERATE TO LOCALLY STRONG TSTMS WITHIN 210 NM OF TROUGH.
.24 HOUR FORECAST TROUGH FROM 16S175W TO 14S177E TO 08S169E. E TO
SE WINDS 20 TO 25 KT S OF TROUGH.
.48 HOUR FORECAST TROUGH FROM 17S178E TO 11S167E TO 08S160E. E TO
SE WINDS 20 TO 25 KT S OF 15S BETWEEN 175W AND 169E.

.TROUGH FROM 13S160E TO 15S165E TO 16S169E MOVING S SLOWLY. E TO
SE WINDS 20 TO 25 KT S OF TROUGH. SCATTERED MODERATE TO LOCALLY
STRONG TSTMS WITHIN 210 NM OF TROUGH.
.24 HOUR FORECAST TROUGH FROM 14S160E TO 17S167E. WINDS DIMINISHED
TO 20 KT OR LESS.
.48 HOUR FORECAST TROUGH FROM 19S160E TO 25S164E.

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

.SEAS 8 TO 10 FT S OF 15S W OF 180E...AND S OF 20S E OF 140W.
.24 HOUR FORECAST SEAS 8 TO 10 FT S OF 15S BETWEEN 180E AND
169E...AND S OF 20S E OF 135W.
.48 HOUR FORECAST SEAS 8 TO 11 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...AND N
OF 10S BETWEEN 167W AND 175W.

$$

.FORECASTER AHUE. HONOLULU HI.