351
FZPS40 PHFO 281502
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1730 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC AUG 28 2025.
24 HOUR FORECAST VALID 1200 UTC AUG 29 2025.
48 HOUR FORECAST VALID 1200 UTC AUG 30 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 25S171W 19S178W THENCE TROUGH 12S170E 09S160E MOVING SE 10
KT. WINDS 20 TO 30 KT WITHIN 150 NM E OF FRONT S OF 20S. ISOLATED
MODERATE TSTMS WITHIN 120 NM E OF FRONT.
.24 HOUR FORECAST MOVED S OF AREA. TROUGH 25S163W 07S176W 10S170E
06S160E. ASSOCIATED WINDS MOVED S OF AREA.
.48 HOUR FORECAST TROUGH 25S160W 16S180W 06S160E.

.FRONT 25S122W 17S140W 16S151W 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 18S130W 17S150W. ASSOCIATED WINDS
MOVED E OF AREA.
.48 HOUR FORECAST FRONT MOVED E OF AREA.

.24 HOUR FORECAST NEW FRONT 25S165E 23S160E.
.48 HOUR FORECAST FRONT 25S175E 20S160E.

.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.