973
FZPS40 PHFO 170321
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0530 UTC FRI OCT 17 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC OCT 17 2025.
24 HOUR FORECAST VALID 0000 UTC OCT 18 2025.
48 HOUR FORECAST VALID 0000 UTC OCT 19 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW NEAR 23S146W 1009 MB MOVING S 15 KT. FRONT 24S137W TO LOW
TO 20S147W 15S153W THENCE TROUGH 12S160W 12S180W 06S160E. FRONT
MOVING SE 10 KT S OF 20S NEARLY STATIONARY ELSEWHERE. WINDS 20
TO 30 KT S OF 22S BETWEEN 137W AND 148W.
.24 HOUR FORECAST LOW 30S146W 1009 MB MOVING S 15 KT. FRONT
FROM LOW TO 20S148W 15S155W 12S160W 10S180W 10S170E 06S160E.
.48 HOUR FORECAST LOW MOVED S OF AREA. FRONT 25S142W 20S146W
THENCE TROUGH 18S153W 13S169W 10S170E 08S160E.

.FRONT 25S169W 22S172W THENCE TROUGH 21S178W MOVING E 15 KT.
.24 HOUR FORECAST FRONT 25S165W 23S170W THENCE TROUGH 21S175W.
.48 HOUR FORECAST FRONT 25S160W 22S165W THENCE TROUGH 21S173W.

.WINDS 20 KT OR LESS OVER REMAINDER FORECAST AREA.

.SEAS 2.5 TO 3.5 M S OF 22S BETWEEN 140W AND 150W.
.24 HOUR FORECAST SEAS 2.5 TO 3 M S OF 22S BETWEEN 140W AND 150W.
.48 HOUR FORECAST SEAS 2.5 TO 3 M S OF 18S BETWEEN 180W AND 170E.

.SEAS 2.5 M OR LOWER OVER REMAINDER FORECAST AREA.

.SCATTERED MODERATE TSTMS FROM 15S TO 08S BETWEEN 150W AND
162W...AND FROM 20S TO 10S BETWEEN 170W AND 180W...AND FROM 15S
TO 10S BETWEEN 180W AND 170E...AND FROM 10S TO 05S W OF 170E.

$$

.FORECASTER PECHACEK. HONOLULU HI.