819
FZPS40 PHFO 090304 CCA
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0530 UTC SAT AUG 09 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC AUG 09 2025.
24 HOUR FORECAST VALID 0000 UTC AUG 10 2025.
48 HOUR FORECAST VALID 0000 UTC AUG 11 2025.

.WARNINGS.

...GALE WARNING...
.TROUGH NEAR 22S160E 25S165E MOVING E 15 KT. WINDS 20 TO 30 KT
S OF 22S W OF 170E.
.24 HOUR FORECAST DEVELOPING LOW NEAR 25S165E 1009 MB. WINDS 30
TO 35 KT WITHIN 120 NM OF LOW. WINDS 20 TO 30 KT ELSEWHERE S OF
LINE 22S160E 22S165E 25S170E. .48 HOUR FORECAST LOW NEAR 25S170E.
WINDS 30 TO 35 KT WITHIN 120 NM OF LOW. WINDS 20 TO 30 KT
ELSEWHERE S OF LINE 20S160E 25S180W.

.SYNOPSIS AND FORECAST.

.TROUGH 25S155W 22S159W 15S180W 13S163E MOVING SE 20 KT.
WINDS 20 TO 30 KT S OF LINE 25S172W 22S165W 25S150W.
SCATTERED MODERATE TSTMS WITHIN 180 NM OF POINT 10S164W.
.24 HOUR FORECAST FRONT MOVED SE OF AREA. TROUGH 25S150W
20S160W 15S170W.
.48 HOUR FORECAST TROUGH 25S140W 25S145W 18S155W.

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

.SEAS 2.5 TO 4 M S OF LINE 20S160E 20S160W 15S140W 05S120W.
.24 HOUR FORECAST SEAS 2.5 TO 4 M S OF 20S W OF 175E...AND
S OF LINE 25S165W 20S140W 20S135W 00S125W 00S120W.
.48 HOUR FORECAST SEAS 4 TO 5 M WITHIN 180 NM OF POINT
25S165E. SEAS 2.5 TO 4 M ELSEWHERE S OF LINE 25S160E 20S180W.

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

.SCATTERED MODERATE TSTMS N OF 15S W OF 165E.


$$

.FORECASTER PECHACEK. HONOLULU HI.