420
FZPS40 PHFO 280306
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0530 UTC SUN APR 28 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC APR 28 2024.
24 HOUR FORECAST VALID 0000 UTC APR 29 2024.
48 HOUR FORECAST VALID 0000 UTC APR 30 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 25S172W 17S172E 11S160E NEARLY STATIONARY. SE WINDS 20 TO
25 KT AND SEAS 8 TO 10 FT S OF LINE 25S174E 18S170E 20S160E.
SCATTERED MODERATE TSTMS WITHIN 120 NM OF TROUGH W OF 172E.
ISOLATED MODERATE TSTMS WITHIN 180 NM OF TROUGH E OF 172E.
.24 HOUR FORECAST TROUGH 25S180E 16S170E 12S160E. SE WINDS 20 TO
25 KT AND SEAS 8 TO 9 FT S OF TROUGH W OF 175E.
.48 HOUR FORECAST TROUGH 25S172W 18S180E. E TO SE WINDS 20 TO 25
KT AND SEAS 8 TO 9 FT FROM 13S TO 22S W OF 170E. SEAS 8 TO 9 FT S
OF 23S BETWEEN 178E AND 174E.

.TROUGH 25S131W 19S133W 12S138W MOVING E SLOWLY S OF 19S AND
NEARLY STATIONARY N OF 19S. SCATTERED MODERATE TSTMS WITHIN 90 NM
OF TROUGH S OF 19S. ISOLATED MODERATE TSTMS WITHIN 150 NM E AND
90 NM W OF TROUGH N OF 19S.
.24 HOUR FORECAST TROUGH 25S132W 16S136W.
.48 HOUR FORECAST TROUGH 25S133W 20S138W.

.TROUGH 22S165W 13S165W MOVING SW SLOWLY. ISOLATED MODERATE TSTMS
WITHIN 510 NM E OF TROUGH.
.24 HOUR FORECAST TROUGH DISSIPATED.

.48 HOUR FORECAST NEW TROUGH 10S168W 07S160W.

.E TO SE WINDS 20 TO 25 KT FROM 18S TO 22S BETWEEN 142W AND 160W.
.24 HOUR FORECAST E TO SE WINDS 20 TO 25 KT FROM 16S TO 21S
BETWEEN 140W AND 165W.
.48 HOUR FORECAST E TO SE WINDS 20 TO 25 KT FROM 14S TO 20S
BETWEEN 145W AND 165W.

.WINDS 20 KT OR LESS OVER REMAINDER OF AREA.

.SEAS 8 TO 11 FT S OF LINE 25S125W 18S145W 17S162W.
.24 HOUR FORECAST SEAS 8 TO 10 FT IN AREA BOUNDED BY 12S160W
20S135W 20S120W 25S120W 25S145W 22S170W 12S160W.
.48 HOUR FORECAST SEAS 8 TO 9 FT FROM 12S TO 20S BETWEEN 153W AND
167W...AND S OF 19S E OF 130W.

.SEAS 8 FT OR LOWER OVER REMAINDER OF AREA.

.ISOLATED MODERATE TSTMS WITHIN 180 NM OF LINE 11S141W 12S154W
07S170W 05S172E.

$$

.FORECASTER WROE. HONOLULU HI.