828
FZPS40 PHFO 280912
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1130 UTC THU AUG 28 2025

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC AUG 28 2025.
24 HOUR FORECAST VALID 0600 UTC AUG 29 2025.
48 HOUR FORECAST VALID 0600 UTC AUG 30 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 25S171W 19S177W THENCE TROUGH 11S170E 09S160E MOVING SE 10
KT. WINDS 20 TO 30 KT WITHIN 150 NM E OF FRONT S OF 20S. SCATTERED
MODERATE TSTMS WITHIN 90 NM E OF FRONT BETWEEN 170W AND 175W.
.24 HOUR FORECAST MOVED S OF AREA. TROUGH 25S165W 15S175W 09S178W
05S160E. ASSOCIATED WINDS MOVED S OF AREA.
.48 HOUR FORECAST TROUGH 25S160W 15S180W 06S160E.

.FRONT 25S126W 18S140W 16S150W MOVING E 15 KT. WINDS 20 TO 25 KT S
OF FRONT. ISOLATED MODERATE TSTMS WITHIN 120 NM E OF FRONT S OF 22S.
.24 HOUR FORECAST FRONT 22S120W 17S136W 18S147W. ASSOCIATED WINDS
MOVED E OF AREA.
.48 HOUR FORECAST FRONT MOVED E OF AREA.

.24 HOUR FORECAST NEW FRONT 25S166E 23S160E.
.48 HOUR FORECAST FRONT 25S174E 21S160E.

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

.SEAS 2.5 TO 3.5 M S OF 05S E OF 170W.
.24 HOUR FORECAST SEAS 3.5 TO 4 M S OF 20S E OF 133W. SEAS 2.5 TO
3.5 M ELSEWHERE S OF 18S E OF 153W... AND FROM 18S TO 03S E OF 127W.
.48 HOUR FORECAST SEAS 2.5 TO 3 M S OF 05S E OF 140W.

.SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA.

$$

.FORECASTER SHIGESATO. HONOLULU HI.