849
FZPS40 PHFO 020343
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0530 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC AUG 02 2025.
24 HOUR FORECAST VALID 0000 UTC AUG 03 2025.
48 HOUR FORECAST VALID 0000 UTC AUG 04 2025.

.WARNINGS.

...GALE WARNING...
.24 HOUR FORECAST NEW FRONT 25S165E 20S160E. WINDS 20 TO 30 KT S
OF 22S BETWEEN 161E AND 170E.
.48 HOUR FORECAST FRONT 25S169E 18S164E 17S162E THENCE TROUGH
15S160E. WINDS 30 TO 40 KT S OF 22S BETWEEN 161E AND 174E. WINDS
20 TO 30 KT ELSEWHERE S OF 20S W OF 178E.

.SYNOPSIS AND FORECAST.

.FRONT 21S120W 16S127W 13S142W MOVING SE 15 KT S OF 17S AND
NEARLY STATIONARY ELSEWHERE.
.24 HOUR FORECAST WEAK FRONT 18S120W 13S142W.
.48 HOUR FORECAST FRONT DISSIPATED.

.FRONT 25S157W 18S161W 12S171W THENCE TROUGH 10S174W 05S178W.
FRONT MOVING E 15 KT AND TROUGH MOVING W 10 KT. WINDS 20 TO 25 KT
S OF 22S BETWEEN 157W AND 150W.
.24 HOUR FORECAST FRONT AND TROUGH MERGED WITH FRONT DESCRIBED
IMMEDIATELY BELOW.

.FRONT 25S164W 19S173W 19S176E MOVING ENE 25 KT. WINDS 20 TO 25
KT S OF 21S BETWEEN 177W AND 160W.
.24 HOUR FORECAST FRONT 25S151W 18S155W 15S162W THENCE TROUGH
11S174W 04S171E. WINDS 20 TO 30 KT S OF 20S BETWEEN 169W AND 142W.
.48 HOUR FORECAST FRONT 25S145W 15S156W THENCE TROUGH 06S170W.

.TROUGH 10S164W 04S168W MOVING W 10 KT.
.24 HOUR FORECAST TROUGH 10S167W 05S173W.
.48 HOUR FORECAST TROUGH MERGES WITH FRONT AND TROUGH DESCRIBED
IMMEDIATELY ABOVE.

.48 HOUR FORECAST NEW TROUGH 10S174E 09S165E 05S160E.

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

.SEAS 4 TO 5 M S OF LINE 25S136W 20S137W 23S134W 16S131W 21S120W...AND
S OF 24S BETWEEN 176W AND 166W. SEAS 2.5 TO 4 M ELSEWHERE S OF
LINE 25S176E 20S179E 23S169W 16S156W 09S159W 06S152W 18S148W
10S130W 12S120W.
.24 HOUR FORECAST SEAS 4 TO 6 M 19S BETWEEN 177W AND 155W. SEAS
2.5 TO 4 M ELSEWHERE S OF LINE 25S143W 17S169W 23S169E 22S160E.
.48 HOUR FORECAST SEAS 4 TO 5 M S OF 17S BETWEEN 177W AND 147W.
SEAS 2.5 TO 4 M ELSEWHERE S OF LINE 25S145W 17S151W 11S166W
22S174W 16S175W 19S178E 14S176E 22S166E 19S160E.

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

$$

.FORECASTER TROTTER. HONOLULU HI.