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000
FZPS40 PHFO 181510
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1730 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC APR 18 2024.
24 HOUR FORECAST VALID 1200 UTC APR 19 2024.
48 HOUR FORECAST VALID 1200 UTC APR 20 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH FROM 08S162E TO 09S172W TO 13S175E TO 10S180W TO
15S165W TO 25S160W. TROUGH MOVING E SLOWLY E OF 175W.
TROUGH MOVING SW SLOWLY ELSEWHERE. WINDS 20 TO 25 KT FROM
20S TO 15S BETWEEN 170E AND 175W. SCATTERED
STRONG TSTMS WITHIN 360 NM OF POINT 36S166E. SCATTERED
MODERATE TSTMS WITHIN 210 NM OF TROUGH W OF 170W.
ISOLATED MODERATE TSTMS WITHIN 150 NM OF TROUGH ELSEWHERE.
.24 HOUR FORECAST TROUGH FROM 08S175W TO 18S161W TO 24S157W.
E TO SE WINDS 20 TO 25 KT S OF TROUGH BETWEEN 170E AND 170W.
.48 HOUR FORECAST TROUGH FROM 18S161W TO 25S152W. E TO SE
WINDS 20 TO 25 KT S OF TROUGH BETWEEN 170E AND 160W.

.TROUGH FROM 10S152W TO 17S154W TO 25S120W MOVING S SLOWLY.
WINDS 20 TO 30 KT S OF TROUGH E OF 140W. ISOLATED TSTMS
WITHIN 180 NM OF TROUGH E OF 140W.
.24 HOUR FORECAST TROUGH FROM 17S133W TO 22S120W.
.48 HOUR FORECAST TROUGH MOVED E OF FORECAST AREA.

.TROUGH FROM 05S140W TO 06S130W TO 10S120W MOVING W SLOWLY.
.24 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH FROM 14S160E TO 18S165E MOVING W SLOWLY.
.24 HOUR FORECAST TROUGH MOVED W OF FORECAST AREA.

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

.SEAS 8 TO 10 FT S OF 15S W OF 180W...AND S OF 18S E OF 140W.
.24 HOUR FORECAST SEAS 8 TO 12 FT S OF 18S E OF 135W...AND S OF
15S BETWEEN 180W AND 170E.
.48 HOUR FORECAST SEAS 8 TO 12 FT S OF 17S E OF 140W.

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

.SCATTERED MODERATE TSTMS WITHIN 300 NM OF POINT 05S160E...
AND WITHIN 300 NM OF POINT 20S155W...AND WITHIN 180 NM OF
POINT 07S122W.



$$

.FORECASTER PECHACEK. HONOLULU HI.