197
FZPS40 PHFO 211121
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1130 UTC TUE MAY 21 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 MAY 21 2024.
24 HOUR FORECAST VALID 0600 UTC MAY 22 2024.
48 HOUR FORECAST VALID 0600 UTC MAY 23 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT FROM 25S174W TO 21S178E THENCE TROUGH TO 10S160E.
FRONT MOVING E 10 KT AND TROUGH NEARLY STATIONARY. ISOLATED
MODERATE TSTMS WITHIN 180 NM OF TROUGH.
.24 HOUR FORECAST WEAKENING FRONT FROM 25S173W TO 23S176W
THENCE TROUGH TO 10S160E.
.48 HOUR FORECAST FRONT WEAKENED TO TROUGH FROM 25S173W TO
11S160E.

.TROUGH FROM 23S120W TO 15S137W TO 11S155W TO 10S176W TO
07S179W. SCATTERED MODERATE TO STRONG TSTMS WITHIN 210 NM
OF TROUGH W OF 165W.
.24 HOUR FORECAST TROUGH FROM 24S120W TO 13S139W TO 12S177W
TO 07S176E.
.48 HOUR FORECAST TROUGH FROM 15S178E TO 089S176E.

.SEAS 8 TO 9 FT S OF A LINE 25S129W 16S147W 25S157W. SEAS 8
TO 9 FT S OF A LINE 25S172W 22S166E 25S161W.
.24 HOUR FORECAST SEAS 8 TO 9 FT S OF A LINE 25S136W 18S146W
25S149W. SEAS 8 TO 9 FT S OF A LINE 25S179E 20S174E 25S168E.
.48 HOUR FORECAST SEAS 8 TO 9 FT BOUNDED BY AREA 23S172W
24S175W 18S172E 14S174E 23S172W. SEAS 8 TO 9 FT FROM 17S TO
14S W OF 162E.

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

.ISOLATED MODERATE TSTMS N OF 09S W OF 174E.


$$

.FORECASTER THOMAS. HONOLULU HI.