409
FZPS40 PHFO 161528
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1730 UTC THU MAY 16 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 MAY 16 2024.
24 HOUR FORECAST VALID 1200 UTC MAY 17 2024.
48 HOUR FORECAST VALID 1200 UTC MAY 18 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT FROM 18S140W TO 25S140W MOVING E 10 KT.
.24 HOUR FORECAST FRONT FROM 11S149W TO 18S138W TO 25S134W.
.48 HOUR FORECAST FRONT FROM 11S157W TO 16S136W TO 25S126W.

.TROUGH FROM 09S173E TO 13S177E TO 25S179E MOVING SW SLOWLY.
SCATTERED STRONG TO MODERATE TSTMS WITHIN 300 NM E OF TROUGH.
.24 HOUR FORECAST TROUGH FROM 08S170E TO 18S178E.
.48 HOUR FORECAST TROUGH FROM 06S160E TO 25S175E.

.TROUGH FROM 01S160E TO 03S165E TO 05S173E NEARLY STATIONARY.
ISOLATED MODERATE TSTMS WITHIN 90 NM EITHER SIDE OF TROUGH.
.24 HOUR FORECAST TROUGH FROM 01S160E TO 07S174E.
.48 HOUR FORECAST TROUGH FROM 04S160E TO 11S166E AND MERGING WITH
SECOND TROUGH ABOVE.

.E TO SE WINDS 20 TO 30 KT S 09S BETWEEN 145W AND 179W. SE WINDS
20 TO 25 KT S OF A LINE FROM 22S178E TO 11S167E TO 11S160E.
.24 HOUR FORECAST NW WINDS 25 KT S OF 24S BETWEEN 132W AND 137W.
E TO SE WINDS 20 TO 30 KT S OF 10S BETWEEN 145W AND 174W. SE WINDS
20 TO 25 KT S OF A LINE FROM 25S178E TO 09S160E.
.48 HOUR FORECAST SW TO NE WINDS 20 TO 30 KT S OF 23S E OF 140W.
SE TO E WINDS 20 TO 30 KT S OF 11S BETWEEN 140W AND 165W.

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

.SEAS 12 TO 14 FT S OF A LINE FROM 24S135W TO 19S150W TO 19S170W.
SEAS 8 TO 12 FT ELSEWHERE S OF A LINE FROM 15S120W TO 14S129W TO
20S135W TO 10S162W TO 20S178E.
.24 HOUR FORECAST SEAS 8 TO 12 FT S OF A LINE FROM 13S120W TO
21S135W TO 10S153W TO 14S171W. SEAS 8 TO 9 FT S OF 25S BETWEEN
176E AND 169E.
.48 HOUR FORECAST SEAS 12 TO 14 FT S OF 24S BETWEEN 131W AND
140W. SEAS 8 TO 12 FT ELSEWHERE S OF A LINE FROM 24S123W AND
09S161W. SEAS 8 TO 9 FT S OF 22S BETWEEN 177E AND 167E.

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

.SCATTERED STRONG TO MODERATE TSTMS WITHIN 120 NM OF A LINE FROM
13S157W TO 05S173E.


$$

.FORECASTER BLOOD. HONOLULU HI.