941
FZPS40 PHFO 212230
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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 25S172W TO 20S180E THENCE TROUGH TO 11S160E.
FRONT MOVING E 10 KT AND TROUGH NEARLY STATIONARY. ISOLATED
MODERATE TSTMS WITHIN 180 NM OF TROUGH AND FRONT. WINDS
20 TO 25 KT S OF TROUGH W OF 170E.
.24 HOUR FORECAST WEAKENING FRONT FROM 25S170W TO 20S180W
THENCE TROUGH TO 13S165E. WINDS 20 TO 25 KT FROM 20S TO
TROUGH W OF 170E.
.48 HOUR FORECAST FRONT WEAKENED TO TROUGH FROM 25S173W TO
11S160E. WINDS 20 TO 30 KT S OF TROUGH W OF 170E.

.TROUGH FROM 25S120W TO 17S130W 15S140W 12S150W 11S160W
10S175W 08S178E. SCATTERED STRONG TSTMS WITHIN 300 NM OF
TROUGH W OF 155W...AND WITHIN 300 NM OF LINE FROM 08N178E
TO 05N165E. WINDS 20 TO 25 KT WITHIN 210 NM OF TROUGH
BETWEEN 145W AND 130W.
.24 HOUR FORECAST TROUGH 20S120W 16S130W 12S150W. WINDS
DIMINISHING TO 20 KT OR LESS.
.48 HOUR FORECAST TROUGH 22S120W 19S129W 13S146W.

.SEAS 8 TO 10 FT S OF LINE FROM 25S160W 15S150W
25S130W...AND S OF 22S W OF 172E.
.24 HOUR FORECAST SEAS 8 TO 10 FT S OF 24S BETWEEN 140W
AND 120W...AND S OF 20S BETWEEN 170E AND 180W.
.48 HOUR FORECAST SEAS 8 TO 9 FT FROM 20S TO 10S W OF
163W.

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

.ISOLATED MODERATE TSTMS N OF 08S W OF 173E.



$$

.FORECASTER PECHACEK. HONOLULU HI.