346
FZPS40 PHFO 211507
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1730 UTC SAT JUN 21 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 JUN 21 2025.
24 HOUR FORECAST VALID 1200 UTC JUN 22 2025.
48 HOUR FORECAST VALID 1200 UTC JUN 23 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 25S132W 20S140W THENCE TROUGH 15S150W 08S167W. FRONT MOVING
E SLOWLY. TROUGH MOVING W SLOWLY W OF 155W...AND NEARLY STATIONARY
ELSEWHERE. WINDS 20 TO 25 KT FROM 22S TO 15S BETWEEN 168W AND 150W.
SCATTERED MODERATE TSTMS FROM 15S TO 10S BETWEEN 175W AND 170W...
AND FROM 15S TO 11S BETWEEN 173E AND 178E... AND FROM 10S TO 07S
BETWEEN 170W AND 165W.
.24 HOUR FORECAST FRONT WEAKENED TO A TROUGH 25S127W 19S133W
12S150W. WINDS 20 TO 25 KT FROM 22S TO 14S BETWEEN 160W AND 145W.
.48 HOUR FORECAST TROUGH 25S120W 16S130W. WINDS 20 TO 25 KT S OF
20S BETWEEN 150W AND 130W.

.FRONT 25S173W 22S178E THENCE TROUGH 13S170E 08S160E MOVING E 10
KT. WINDS 20 TO 25 KT S OF 20S W OF 170E. ISOLATED MODERATE TSTMS
FROM 14S TO 08S W OF 164E.
.24 HOUR FORECAST FRONT 25S170W 20S180E THENCE TROUGH 15S174E 09S160E.
WINDS 20 TO 30 KT FROM 22S TO 10S W OF 175E.
.48 HOUR FORECAST FRONT BECAME A TROUGH 25S167W 13S180W 08S170E 06S160E.
WINDS 20 TO 30 KT FROM 22S TO 10S W OF 175W.

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

.SEAS 4 TO 4.5 M S OF LINE 12S170W 17S150W 25S136W. SEAS 2.4 TO 4
M ELSEWHERE S OF LINE 08S180W 08S150W 25S128W... AND S OF 22S W OF
180W... AND FROM 15S TO 10S E OF 130W.
.24 HOUR FORECAST SEAS 4 TO 4.5 M FROM 22S TO 14S BETWEEN 165W AND
130W. SEAS 2.5 TO 4 M S OF LINE 00S170W 08S150W 16S120W. SEAS 2.5
TO 3 M S OF 14S W OF 180W.
.48 HOUR FORECAST SEAS 2.5 TO 3.5 M S OF 10S W OF 180W... AND S OF
10S E OF 160W.

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

.SCATTERED MODERATE TSTMS FROM 13S TO 07S BETWEEN 167E AND 175E.

$$

.FORECASTER SHIGESATO. HONOLULU HI.