109
FZPS40 PHFO 060925
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1130 UTC SUN JUL 06 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC JUL 06 2025.
24 HOUR FORECAST VALID 0600 UTC JUL 07 2025.
48 HOUR FORECAST VALID 0600 UTC JUL 08 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW NEAR 25S150W 1009 MB MOVING S SLOWLY. FRONT 25S144W 20S143W 14S150W
13S154W THENCE TROUGH 12S173W 07S180W MOVING E SLOWLY S OF 16S AND
NEARLY STATIONARY N OF 16S. WINDS 20 TO 30 KT S OF 23S BETWEEN 143W
AND 127W. SCATTERED MODERATE TSTMS WITHIN 210 NM E OF FRONT E OF
145W. ISOLATED MODERATE TSTMS ELSEWHERE WITHIN 180 NM S OF TROUGH
BETWEEN 167W AND 158W.
.24 HOUR FORECAST LOW S OF FORECAST AREA. DISSIPATING FRONT 25S137W
15S149W. TROUGH DISSIPATED. WINDS 20 TO 25 KT S OF 23S E OF 137W.

.48 HOUR FORECAST FRONT DISSIPATED. ASSOCIATED WINDS EASED TO 20
KT OR LESS.

.FRONT 25S172W 17S177E MOVING E 20 KT.
.24 HOUR FORECAST FRONT 25S157W 17S170W.
.48 HOUR FORECAST FRONT 25S150W 20S160W 13S170W. WINDS 20 TO 25 KT
WITHIN 150 NM E OF FRONT.

.24 HOUR FORECAST NEW TROUGH 08S177W 14S168W.
.48 HOUR FORECAST WEAK TROUGH 08S180W 12S170W.

.TROUGH 02S164W 06S154W MOVING WSW 10 KT. ISOLATED MODERATE TSTMS
WITHIN 150 NM OF TROUGH.
.24 HOUR FORECAST TROUGH DISSIPATED.

.24 HOUR FORECAST NEW FRONT ALONG 25S BETWEEN 120W AND 130W. E TO
SE WINDS 20 TO 25 KT WITHIN 90 NM OF FRONT.
.48 HOUR FORECAST FRONT DISSIPATED. SEE WINDS BELOW.

.48 HOUR FORECAST FRONT NEAR 25S163E 21S160E.

.E TO SE WINDS 20 TO 25 KT FROM 20S TO 10S W OF 170E.
.24 HOUR FORECAST E TO SE WINDS 20 TO 25 KT FROM 19S TO 10S W OF
170E...AND S OF 03S E OF 140W.
.48 HOUR FORECAST E TO SE WINDS 20 TO 25 KT S OF 07S E OF 140W.

.WINDS 20 KT OR LESS REMAINDER OF FORECAST AREA.

.SEAS 3 TO 5 M ELSEWHERE S OF LINE 20S162W 16S154W 25S140W. SEAS
2.5 TO 3 M S OF A LINE FROM 15S180W 10S170W 10S160W 25S130W.
.24 HOUR FORECAST SEAS 2.5 TO 3.5 M S OF 20S W OF 175E... AND FROM
20S TO 08S E OF 135W.
.48 HOUR FORECAST SEAS 2.5 TO 4 M S OF 06S E OF 140W... AND S OF 21S
BETWEEN 178E AND 150W.

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

.ISOLATED MODERATE TSTMS FROM 12S TO 07S W OF 166E.

$$

.FORECASTER SHIGESATO. HONOLULU HI.