719
FZPS40 PHFO 021509
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1730 UTC SAT AUG 02 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 AUG 02 2025.
24 HOUR FORECAST VALID 1200 UTC AUG 03 2025.
48 HOUR FORECAST VALID 1200 UTC AUG 04 2025.

.WARNINGS.

...GALE WARNING...
.24 HOUR FORECAST NEW FRONT 25S166E 17S160E. WINDS 30 TO 35 KT S
OF 23S BETWEEN FRONT AND 170E. WINDS 20 TO 30 KT ELSEWHERE S OF
21S W OF 172E.
.48 HOUR FORECAST FRONT 25S171E 20S167E THENCE TROUGH 14S160E.
WINDS 30 TO 35 KT S OF 23S BETWEEN FRONT AND 176E. WINDS 20 TO 25
KT ELSEWHERE S OF 20S BETWEEN 166E AND 178E.

.SYNOPSIS AND FORECAST.

.FRONT 20S120W 15S130W 13S142W MOVING SE 15 KT S OF 17S AND
NEARLY STATIONARY ELSEWHERE.
.24 HOUR FORECAST WEAK FRONT 19S120W 15S132W.
.48 HOUR FORECAST FRONT DISSIPATED.

.FRONT 25S154W 18S160W 12S172W THENCE TROUGH 08S180W 05S177E. FRONT
MOVING E 15 KT AND TROUGH MOVING W 10 KT. WINDS 20 TO 25 KT S OF
21S BETWEEN FRONT AND 150W.
.24 HOUR FORECAST FRONT AND TROUGH MERGED WITH FRONT DESCRIBED IMMEDIATELY
BELOW.

.FRONT 25S157W 18S170W 17S180W MOVING ENE 25 KT. WINDS 20 TO 25 KT
S OF 21S BETWEEN 177W AND 157W.
.24 HOUR FORECAST FRONT 25S148W 18S160W THENCE TROUGH 13S170W 09S180E.
WINDS 20 TO 25 KT S OF 20S BETWEEN 165W AND 142W.
.48 HOUR FORECAST FRONT 25S145W 15S158W THENCE TROUGH 08S170W. WINDS
20 TO 25 KT S OF 20S BETWEEN 165W AND 140W.

.TROUGH 03S168W 07S168W 07S168W 10S166W MOVING W 10 KT.
.24 HOUR FORECAST TROUGH MERGES WITH FRONT AND TROUGH DESCRIBED
IMMEDIATELY ABOVE.

.48 HOUR FORECAST NEW TROUGH 05S168E 10S174E.

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

.SEAS 4 TO 5 M S OF 23S BETWEEN 175E AND 165W... AND S OF LINE 15S135W
20S120W. SEAS 2.5 TO 4 M ELSEWHERE S OF 20S BETWEEN 180W AND 155W...
AND S OF 20S E OF 140W.
.24 HOUR FORECAST SEAS 4 TO 6 M S OF LINE 23S180W 17S165W
25S154W... AND S OF 23S W OF 163E. SEAS 2.5 TO 4 M ELSEWHERE S OF
LINE 21S160E 20S180W 15S170W 25S148W... AND FROM 18S TO 03S E OF
130W.
.48 HOUR FORECAST SEAS 5 TO 6 M S OF 23S BETWEEN 171W AND 155W. SEAS
4 TO 5 M ELSEWHERE S OF 18S BETWEEN 180W AND 148W... AND S OF 23S
W OF 175E. SEAS 2.5 TO 4 M ELSEWHERE S OF LINE 20S160E 10S170W
10S160W 25S145W.

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

$$

.FORECASTER SHIGESATO. HONOLULU HI.