283
FZPS40 PHFO 161128
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1130 UTC TUE SEP 16 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SEP 16 2025.
24 HOUR FORECAST VALID 0600 UTC SEP 17 2025.
48 HOUR FORECAST VALID 0600 UTC SEP 18 2025.

.WARNINGS.

...GALE WARNING...
.48 HOUR FORECAST NEW LOW 19S152W 1011 MB. WINDS 30 TO 35 KT
WITHIN 120 NM W THRU S QUADRANTS OF LOW. WINDS 20 TO 30 KT
ELSEWHERE WITHIN 240 NM EITHER SIDE OF LINE 21S153W 21S160W
TO LOW TO 13S170W.

.SYNOPSIS AND FORECAST.

.FRONT 25S143W 20S148W THENCE TROUGH 18S152W 09S158W 06S162W
04S166W. FRONT MOVING E 15 KT AND TROUGH MOVING W 10 KT.
.24 HOUR FORECAST FRONT 25S136W 24S138W. TROUGH DETACHED 12S163W
04S169W.
.48 HOUR FORECAST FRONT 25S133W 21S143W. TROUGH DETACHED 10S168W
04S175W.

.TROUGH 13S173W 07S179E MOVING SW SLOWLY.
.24 HOUR FORECAST TROUGH 17S168W 08S178E.
.48 HOUR FORECAST TROUGH DISSIPATED.

.WINDS 20 TO 25 KT FROM 21S TO 13S W OF 171E.
.24 HOUR FORECAST WINDS 20 TO 25 KT BOUNDED BY AREA 20S155W
06S160E 19S160E 20S155W.
.48 HOUR FORECAST WINDS 20 TO 25 KT FROM 19S TO 11S W OF 179W.

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

.SEAS 2.5 TO 4 M S OF A LINE 25S150W 17S163W 09S175E 12S160E.
.24 HOUR FORECAST SEAS 2.5 TO 4 M BOUNDED BY AREA 25S138W 16S152W
12S159W 14S169W 06S171E 09S160E 17S160E 25S170W 25S138W.
.48 HOUR FORECAST SEAS 4 TO 4.5 M FROM 22S TO 18S BETWEEN 160W
AND 165W. SEAS 2.5 TO 4 M ELSEWHERE BOUNDED BY 25S135W 18S158W
12S165W 06S160E 18S160E 25S171W 25S135W.

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

$$

.FORECASTER THOMAS. HONOLULU HI.