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000
FZPS40 PHFO 201001
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1130 UTC SAT APR 20 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC APR 20 2024.
24 HOUR FORECAST VALID 0600 UTC APR 21 2024.
48 HOUR FORECAST VALID 0600 UTC APR 22 2024.

.WARNINGS.

...GALE WARNING...
.24 HOUR FORECAST NEW LOW NEAR 21S163E 1006 MB. TROUGH FROM 22S173E
TO LOW TO 20S160E. SE WINDS 35 TO 35 KT S OF LOW AND TROUGH W OF
164E. SE WINDS 20 TO 30 KT ELSEWHERE S OF TROUGH W OF 175E.
.48 HOUR FORECAST LOW NEAR 23S175E 1006 MB. TROUGH FROM 25S180W TO
LOW TO 13S160E. WINDS 30 TO 35 KT WITHIN 240 NM SW SEMICIRCLE OF
LOW. WINDS 20 TO 30 KT ELSEWHERE S OF TROUGH W OF 180E.

.SYNOPSIS AND FORECAST.

.TROUGH FROM 10S161E TO 18S168E MOVING S 10 KT. SCATTERED MODERATE
TSTMS WITHIN 210 NM OF TROUGH.
.24 HOUR FORECAST TROUGH MERGED WITH TROUGH DESCRIBED IN ABOVE
WARNING SECTION.

.TROUGH FROM 25S167E TO 21S164E MOVING SE 15 KT.
.TROUGH MOVED S OF AREA.

.TROUGH FROM 04S173E TO 07S176E TO 11S173W MOVING SW SLOWLY.
SCATTERED MODERATE TSTMS WITHIN 210 NM OF TROUGH.
.24 HOUR FORECAST TROUGH FROM 06S172E TO 10S175E TO 12S180E.
.48 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH FROM 25S151W TO 21S156W TO 16S156W NEARLY STATIONARY.
SCATTERED MODERATE TSTMS WITHIN 570 NM E OF TROUGH.
.24 HOUR FORECAST TROUGH FROM 25S150W TO 20S157W TO 15S156W.
.48 HOUR FORECAST TROUGH FROM 22S145W TO 18S150W.

.48 HOUR FORECAST NEW TROUGH FROM 22S120W TO 18S120W.

.E TO SE WINDS 20 TO 25 KT S OF 17S E OF 138W.
.24 HOUR FORECAST E TO SE WINDS 20 TO 25 KT S OF 17S E OF 140W.
.48 HOUR FORECAST SE TO E WINDS 20 TO 30 KT S OF A LINE FROM
21S120W TO 15S127W TO 15S137W TO 25S144W.

.SEAS 8 TO 11 FT S OF 19S E OF 137W.
.24 HOUR FORECAST SEAS 8 TO 10 FT S OF A LINE FROM 18S120W TO
17S130W TO 19S142W TO 25S147W. SEAS 8 TO 11 FT S OF 21S W OF 165E.
.48 HOUR FORECAST SEAS 12 TO 15 FT S OF 21S E OF 124W. SEAS 8 TO
11 FT ELSEWHERE S OF A LINE FROM 19S120W TO 14S130W TO 16S140W TO
25S145W. SEAS 8 TO 11 FT S OF A LINE FROM 25S175E TO 17S160E.

.WINDS 20 KT OR LESS AND SEAS 8 FT OR LOWER OVER REMAINDER OF AREA.

.SCATTERED MODERATE TSTMS S OF 23S E OF 123W.

.ISOLATED MODERATE TSTMS FROM 07S TO 03S BETWEEN 163W AND
170W...AND N OF 04S W OF 174E.



$$

.FORECASTER TSAMOUS. HONOLULU HI.