369
FZPS40 PHFO 031519
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1730 UTC FRI OCT 03 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 03 2025.
24 HOUR FORECAST VALID 1200 UTC OCT 04 2025.
48 HOUR FORECAST VALID 1200 UTC OCT 05 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 25S142W 17S150W 14S172W 10S174E 06S160E. TROUGH MOVING E
SLOWLY S OF 20S AND NEARLY STATIONARY ELSEWHERE. WINDS 20 TO 25
KT WITHIN 90 NM S OF TROUGH BETWEEN 158W AND 149W. NUMEROUS
MODERATE TSTMS WITHIN 270 NM OF TROUGH W OF 178W. SCATTERED
MODERATE TSTMS WITHIN 120 NM OF TROUGH AND FRONT ELSEWHERE.
.24 HOUR FORECAST TROUGH 25S139W 15S157W 15S179W 07S160E. WINDS
EASED 20 KT OR LESS.
.48 HOUR FORECAST TROUGH 25S137W 22S141W 14S171W 08S160E.

.TROUGH NEAR 25S171E 21S160E MOVING E 10 KT. ISOLATED MODERATE
TSTMS S OF 23S BETWEEN TROUGH AND 173E.
.24 HOUR FORECAST TROUGH DEVELOPED TO A FRONT 25S174E 22S171E
THENCE TROUGH 17S160E.
.48 HOUR FORECAST FRONT 25S179E 20S173E 13S160E.

.WINDS 20 TO 25 KT S OF 14S E OF 129W.
.24 HOUR FORECAST WINDS 20 TO 25 KT FROM 22S TO 14S E OF 123W.
.48 HOUR FORECAST WINDS 20 TO 25 KT FROM 21S TO 11S E OF 127W.

.WINDS 20 KT OR LESS OVER REMAINDER FORECAST AREA.

.SEAS 2.5 TO 4 M S OF 05S E OF 136W.
.24 HOUR FORECAST SEAS 2.5 TO 4 M S OF 06S E OF 137W.
.48 HOUR FORECAST SEAS 2.5 TO 4 M S OF LINE 15S160E 20S164E
22S167E 21S169E 25S177E...AND S OF 03S E OF 138W. SEAS 2.5 TO 3 M
S OF LINE 25S164W 17S167W 13S165W 15S156W 25S138W.

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

.ISOLATED MODERATE TSTMS FROM 17S TO 14S W OF 163E.

$$

.FORECASTER PIERCE. HONOLULU HI.