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000
FZPS40 PHFO 171519
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1730 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC APR 17 2024.
24 HOUR FORECAST VALID 1200 UTC APR 18 2024.
48 HOUR FORECAST VALID 1200 UTC APR 19 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT FROM 16S145W TO 16S129W TO 19S119W NEARLY STATIONARY AND
WEAKENING. WINDS 20 TO 25 KT S OF FRONT.
.24 HOUR FORECAST FRONT WEAKENED TO A TROUGH FROM 15S133W TO
19S124W TO 19S120W. WINDS 20 TO 25 KT S OF FRONT E OF 145W.
.48 HOUR FORECAST TROUGH FROM 20S136W TO 22S125W TO 22S120W.
WINDS 20 TO 25 KT S OF FRONT E OF 145W.

.FRONT FROM 23S160W TO 25S165W MOVING SE SLOWLY.
.24 HOUR FORECAST FRONT MOVED S OF AREA.

.TROUGH FROM 11S160E TO 15S172E TO 20S173W. WINDS 20 TO 30 KT
S OF TROUGH AND WITHIN 300 NM N OF TROUGH. SCATTERED
MODERATE TO STRONG TSTMS WITHIN 300 NM OF TROUGH BETWEEN 175W
AND 175E...AND WITHIN 330 NM OF POINT 12S162E...AND WITHIN 330
NM OF POINT 12S177W.
.24 HOUR FORECAST TROUGH FROM 15S165E TO 10S175E TO 10S180W.
WINDS 20 TO 25 KT S OF TROUGH.
.48 HOUR FORECAST TROUGH FROM 08S160E TO 10S172E TO 16S177W.
WINDS 20 TO 25 KT S OF 15S BETWEEN 175E AND 170W.

.TROUGH FROM 04S170E TO 10S180W TO 15S170W MOVING S SLOWLY.
.24 HOUR FORECAST TROUGH FROM 14S160E TO 16S170W TO 20S175W.
.48 HOUR FORECAST TROUGH MERGED WITH TROUGH MENTIONED ABOVE.

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

.SEAS 8 TO 10 FT S OF 12S W OF 180W...AND S OF 18S E OF 140W.
.24 HOUR FORECAST SEAS 8 TO 10 FT S OF 17S W OF 180W...AND S OF
20S E OF 145W.
.48 HOUR FORECAST SEAS 8 TO 10 FT S OF 17S BETWEEN 170E AND
178W...AND S OF 20S E OF 140W.

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


$$

.FORECASTER PECHACEK. HONOLULU HI.