220
FZPS40 PHFO 272136
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2330 UTC SAT APR 27 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC APR 27 2024.
24 HOUR FORECAST VALID 1800 UTC APR 28 2024.
48 HOUR FORECAST VALID 1800 UTC APR 29 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 25S172W 19S177E 12S160E NEARLY STATIONARY. SE WINDS 20 TO
25 KT AND SEAS 8 TO 10 FT S OF LINE 25S174E 21S160E. SCATTERED
MODERATE TSTMS WITHIN 90 NM OF TROUGH W OF 177E. ISOLATED
MODERATE TSTMS WITHIN 180 NM OF TROUGH E OF 177E.
.24 HOUR FORECAST TROUGH 25S180E 17S170E 13S160E. SE WINDS 20 TO
25 KT AND SEAS 8 TO 10 FT S OF TROUGH.
.48 HOUR FORECAST TROUGH 25S176W 16S170E 12S160E. SE WINDS 20 TO
25 KT AND SEAS 8 TO 9 FT BETWEEN TROUGH AND 22S W OF 170E.

.TROUGH 25S133W 18S137W MOVING E 10 KT. SCATTERED MODERATE TSTMS
WITHIN 120 NM OF TROUGH S OF 20S.
.24 HOUR FORECAST TROUGH 25S132W 19S134W.
.48 HOUR FORECAST TROUGH 25S133W 22S137W.

.TROUGH 22S164W 14S165W MOVING SW SLOWLY. ISOLATED MODERATE TSTMS
WITHIN 480 NM E OF TROUGH N OF 19S.
.24 HOUR FORECAST TROUGH DISSIPATED.

.E TO SE WINDS 20 TO 25 KT FROM 18S TO 22S BETWEEN 143W AND 160W.
.24 HOUR FORECAST E TO SE WINDS 20 TO 25 KT FROM 14S TO 21S
BETWEEN 140W AND 165W.
.48 HOUR FORECAST E TO SE WINDS 20 TO 25 KT FROM 14S TO 23S
BETWEEN 145W AND 167W.

.WINDS 20 KT OR LESS OVER REMAINDER OF AREA.

.SEAS 8 TO 10 FT S OF LINE 25S130W 18S145W 17S164W.
.24 HOUR FORECAST SEAS 8 TO 10 FT S OF LINE 22S120W 18S140W
12S155W 18S165W.
.48 HOUR FORECAST SEAS 8 TO 9 FT IN AREA BOUNDED BY 12S150W
19S150W 25S164W 25S160W 14S165W 12S150W...AND S OF 20S E OF 130W.

.SEAS 8 FT OR LOWER OVER REMAINDER OF AREA.

.ISOLATED MODERATE TSTMS FROM 05S TO 09S BETWEEN 135W AND 139W...
WITHIN 90 NM OF LINE 03S147W 02S155W...AND WITHIN 180 NM OF LINE
12S147W 08S165W 05S180E 03S165E.

$$

.FORECASTER WROE. HONOLULU HI.