410
FZPS40 PHFO 101025
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1130 UTC FRI OCT 10 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 OCT 10 2025.
24 HOUR FORECAST VALID 0600 UTC OCT 11 2025.
48 HOUR FORECAST VALID 0600 UTC OCT 12 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 16S120W 13S130W 13S143W NEARLY STATIONARY.
.24 HOUR FORECAST FRONT WEAKENED TO TROUGH 17S120W 12S131W 14S145W.
.48 HOUR FORECAST TROUGH DISSIPATED.

.FRONT 25S151W 22S156W MOVING E SLOWLY. ISOLATED MODERATE TSTMS S
OF 21S BETWEEN FRONT AND 145W.
.24 HOUR FORECAST FRONT 25S148W 21S152W.
.48 HOUR FORECAST FRONT 25S139W 22S144W.

.TROUGH 15S171W 11S174E 07S160E NEARLY STATIONARY. WINDS 20 TO 25
KT FROM 24S TO TROUGH W OF 164W. SCATTERED MODERATE TO STRONG
TSTMS N OF 14S W OF 174E...AND WITHIN 240 NM ELSEWHERE.
.24 HOUR FORECAST TROUGH 12S171W 11S169E 10S160E. WINDS 20 TO 25
KT FROM 21S AND TROUGH BETWEEN 178W AND 168W.
.48 HOUR FORECAST TROUGH 13S170W 11S170E 10S160E. WINDS EASED 20
KT OR LESS.

.TROUGH 10S157W 08S167W MOVING SW 10 KT. ISOLATED MODERATE TSTMS
WITHIN 150 NM OF TROUGH.
.24 HOUR FORECAST TROUGH 11S165W 09S179E
.48 HOUR FORECAST TROUGH MERGED WITH TROUGH DESCRIBED ABOVE.

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

.SEAS 2.5 TO 4 M S OF LINE 10S160E 08S179W 05S150W 11S125W
03S128W 03S120W...EXCEPT S OF 20S W OF 169E.
.24 HOUR FORECAST SEAS 2.5 TO 3 M S OF LINE 11S160E 10S172W
06S157W 10S154W 19S162W 25S148W...EXCEPT S OF 13S W OF 170E.
.48 HOUR FORECAST SEAS 2.5 TO 3 M IN AREA BOUNDED BY 19S171E
12S178E 15S158W 25S141W 25S166W 19S174W 22S171E 19S171E.

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

.ISOLATED MODERATE TSTMS FROM 13S TO 09S BETWEEN 175W AND 167W.


$$

.FORECASTER PIERCE. HONOLULU HI.