189
FZPS40 PHFO 041519
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1730 UTC SAT OCT 04 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 04 2025.
24 HOUR FORECAST VALID 1200 UTC OCT 05 2025.
48 HOUR FORECAST VALID 1200 UTC OCT 06 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 25S137W 15S145W MOVING E SLOWLY.
.24 HOUR FORECAST TROUGH 25S136W 16S142W.
.48 HOUR FORECAST TROUGH 25S131W 21S132W.

.TROUGH 25S146W 20S150W MOVING E 10 KT.
.24 HOUR FORECAST TROUGH MERGED WITH FIRST TROUGH DESCRIBED
ABOVE.

.FRONT 25S173E 22S168E THENCE TROUGH 14S162E MOVING NE 10 KT.
.24 HOUR FORECAST FRONT 25S180W 20S180W THENCE TROUGH 04S175E.
.48 HOUR FORECAST FRONT 25S171W 17S177W THENCE TROUGH 02S179W.

.TROUGH 19S179W 11S178E NEARLY STATIONARY. SCATTERED MODERATE
TSTMS FROM 17S TO 13S BETWEEN 170W AND 176W.
.24 HOUR FORECAST TROUGH MERGED WITH FRONT DESCRIBED DIRECTLY
ABOVE.

.48 HOUR FORECAST WINDS 20 TO 25 KT S OF 16S BETWEEN 141W AND
160W.

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

.SEAS 2.5 TO 3 M S OF 07S E OF 135W.
.24 HOUR FORECAST SEAS 2.5 TO 4 M S OF 20S W OF 177E. SEAS 2.5 TO
3 M S OF 04S E OF 132W...AND S OF 20S BETWEEN 140W AND 160W.
.48 HOUR FORECAST SEAS 2.5 TO 3 M S OF 16S W OF 174W. SEAS 2.5 TO
3 M S OF LINE 02S120W 10S140W 10S164W.

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

.SCATTERED MODERATE TO LOCALLY STRONG TSTMS FROM 12S TO 05S W OF
170E.



$$

.FORECASTER ALMANZA. HONOLULU HI.