668
FZPS40 PHFO 201537
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1730 UTC MON MAY 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC MAY 20 2024.
24 HOUR FORECAST VALID 1200 UTC MAY 21 2024.
48 HOUR FORECAST VALID 1200 UTC MAY 22 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 25S177E 18S171E THENCE TROUGH TO 09S160E. FRONT MOVING
E 15 KT AND TROUGH NEARLY STATIONARY. ISOLATED MODERATE TSTMS
WITHIN 150 NM OF TROUGH.
.24 HOUR FORECAST WEAK FRONT 20S178E 17S172E THENCE TROUGH
TO 11S160E.
.48 HOUR FORECAST FRONT WEAKENED TO TROUGH 19179W 09S160E.

.TROUGH 22S120W 14S139W 12S148W NEARLY STATIONARY. ISOLATED
MODERATE TSTMS WITHIN 150 NM OF TROUGH W OF 131W.
.24 HOUR FORECAST TROUGH 24S120W 15S133W 12S146W.
.48 HOUR FORECAST TROUGH 19S122W 14S127W 13S141W.

.TROUGH 10S168W 07S177W MOVING W 10 KT. SCATTERED MODERATE
TSTMS WITHIN 210 NM OF TROUGH.
.24 HOUR FORECAST TROUGH 11S174W 06S179W.
.48 HOUR FORECAST TROUGH 12S179W 05S178E.

.E TO SE WINDS 20 TO 25 KT BOUNDED BY AREA 21S142W 21S162W
12S171W 11S153W 16S140W 21S142W.
.24 HOUR FORECAST E TO SE WINDS 20 TO 25 KT FROM 20S TO 16S
BETWEEN 135W AND 145W.
.48 HOUR FORECAST E TO SE WINDS 20 TO 30 KT FROM 21S TO 16S
W OF 172E.

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

.SEAS 8 TO 11 FT S OF LINE 23S120W 17S133W 21S137W 11S152W
25S161W. SEAS 8 TO 9 FT S OF 21S W OF 164E.
.24 HOUR FORECAST SEAS 8 TO 9 FT S OF A LINE 25S129W 16S144W
17S152W 25S155W. SEAS 8 TO 9 FT S OF 23S W OF 171E.
.48 HOUR FORECAST SEAS 8 TO 9 FT S OF 21S BETWEEN 136W AND
145W. SEAS 8 TO 9 FT S OF 19S BETWEEN 178E AND 171E.

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

.ISOLATED MODERATE TSTMS N OF 08S BETWEEN 170E AND 164E.


$$

.FORECASTER THOMAS. HONOLULU HI.