596
FZPS40 PHFO 211449
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1730 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC MAY 21 2024.
24 HOUR FORECAST VALID 1200 UTC MAY 22 2024.
48 HOUR FORECAST VALID 1200 UTC MAY 23 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT FROM 25S174W TO 21S179E THENCE TROUGH TO 11S160E.
FRONT MOVING E 10 KT AND TROUGH NEARLY STATIONARY. ISOLATED
MODERATE TSTMS WITHIN 180 NM OF TROUGH AND FRONT.
.24 HOUR FORECAST WEAKENING FRONT FROM 25S172W TO 21S177W
THENCE TROUGH TO 13S160E.
.48 HOUR FORECAST FRONT WEAKENED TO TROUGH FROM 25S173W TO
11S160E.

.TROUGH FROM 23S120W TO 15S136W TO 09S155W TO 11S172W TO
07S178E. SCATTERED MODERATE TO STRONG TSTMS WITHIN 210 NM
OF TROUGH W OF 159W.
.24 HOUR FORECAST TROUGH FROM 22S120W TO 15S131W TO
12S152W.
.48 HOUR FORECAST TROUGH FROM 21S120W TO 15S140W.

.24 HOUR FORECAST NEW TROUGH FROM 12S178W TO 06S177E TO
06S171E.
.48 HOUR FORECAST TROUGH FROM 14S178E TO 07S174E.

.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 08S W OF 173E.


$$

.FORECASTER THOMAS. HONOLULU HI.