863
FZPS40 PHFO 071520
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1730 UTC TUE OCT 07 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 OCT 07 2025.
24 HOUR FORECAST VALID 1200 UTC OCT 08 2025.
48 HOUR FORECAST VALID 1200 UTC OCT 09 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 25S126W 21S139W MOVING E 10 KT. WINDS 20 TO 25 KT S OF FRONT.
ISOLATED MODERATE TSTMS FROM 21S TO 19S BETWEEN 142W AND 138W.
.24 HOUR FORECAST FRONT 25S122W 20S130W THENCE TROUGH 17S140W. WINDS
20 TO 25 KT S OF FRONT AND TROUGH.
.48 HOUR FORECAST FRONT 20S120W 15S130W THENCE TROUGH 15S140W. WINDS
20 TO 30 KT S OF FRONT AND TROUGH.

.FRONT 25S165W 17S168W THENCE TROUGH 10S176W 03S176E. FRONT MOVING
E 10 KT. TROUGH MOVING E 15 KT S OF 10S AND MOVING W SLOWLY N OF
10S. WINDS 20 TO 25 KT FROM 20S TO TROUGH BETWEEN 170E AND 175W...
AND S OF 23S BETWEEN FRONT AND 160W. NUMEROUS STRONG TSTMS WITHIN
420 NW SW OF TROUGH W OF 170W. ISOLATED MODERATE TSTMS ELSEWHERE
FROM 13S TO 07S BETWEEN 175W AND 166W.
.24 HOUR FORECAST FRONT 25S158W 13S170W THENCE TROUGH 10S180W 05S163E.
WINDS 20 TO 25 KT FROM 20S TO TROUGH.
.48 HOUR FORECAST FRONT 25S156W 15S170W THENCE TROUGH 10S180W 09S170E
04S161E. WINDS 20 TO 25 KT S OF FRONT AND TROUGH.

.TROUGH 12S160W 05S170W MOVING SW 10 KT. ISOLATED MODERATE TSTMS WITHIN
150 NM SW OF TROUGH.
.24 HOUR FORECAST TROUGH MERGED WITH FRONT AND TROUGH DESCRIBED IMMEDIATELY
ABOVE.

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

.SEAS 2.5 TO 3 M S OF A LINE 13S170E 20S170W... AND S OF A LINE FROM
10S160W 10S133W 00S120W.
.24 HOUR FORECAST SEAS 2.5 TO 4 M S OF A LINE 10S160W 10S130W 06S120W.
SEAS 2.5 TO 3 M S OF A LINE 10S170E 10S180W 25S160W.
.48 HOUR FORECAST SEAS 4 TO 5 M S OF 17S E OF 140W. SEAS 2.5 TO 4 M
ELSEWHERE S OF 10S E OF 160W. SEAS 2.5 TO 3 M S OF 10S W OF 170W.

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

.ISOLATED MODERATE TSTMS FROM 11S TO 08S BETWEEN 168E AND 172E...
AND FROM 06S TO 03S W OF 166E... AND FROM 15S TO 12S W OF 163E.

$$

.FORECASTER SHIGESATO. HONOLULU HI.