767
FZPS40 PHFO 220337
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0530 UTC SAT NOV 22 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 NOV 22 2025.
24 HOUR FORECAST VALID 0000 UTC NOV 23 2025.
48 HOUR FORECAST VALID 0000 UTC NOV 24 2025.

.WARNINGS.

...GALE WARNING...
.TROUGH 25S173E 17S172E 14S166E 12S160E MOVING NE 20 KT. WINDS
20 TO 30 KT S OF 17S BETWEEN TROUGH AND 175W. SCATTERED MODERATE
TSTMS WITHIN 330 NM W OF TROUGH...AND WITHIN 180 NM E OF TROUGH.
.24 HOUR FORECAST NEW LOW 22S179E 999 MB. TROUGH 25S179E TO LOW
TO 14S169E 10S160E. WINDS 30 TO 35 KT WITHIN 120 NM S SEMICIRCLE
OF LOW. WINDS 20 TO 30 KT ELSEWHERE S OF 19S BETWEEN 177E AND
175W.
.48 HOUR FORECAST LOW 25S179W 995 MB. TROUGH FROM LOW TO 16S176E
09S160E. WINDS 30 TO 35 KT WITHIN 120 NM SE QUADRANT OF LOW...AND
WITHIN 150 NM OF TROUGH N OF 18S BETWEEN 178E AND 172E. WINDS 20 TO
30 KT ELSEWHERE S OF 20S BETWEEN 177E AND 164W...AND WITHIN 360 NM
OF TROUGH N OF 18S BETWEEN 174W AND 169E.

.SYNOPSIS AND FORECAST.

.TROUGH 25S123W 18S131W 17S141W 18S153W 15S166W 17S175W NEARLY
STATIONARY. WINDS 20 TO 30 KT S OF TROUGH BETWEEN 142W AND 175W.
SCATTERED MODERATE TSTMS WITHIN 180 NM OF TROUGH S OF 20S. ISOLATED
MODERATE TSTMS WITHIN 210 NM ELSEWHERE.
.24 HOUR FORECAST NEW LOW 18S150W 1004 MB. TROUGH 25S123W 18S131W
17S141W TO LOW TO 15S164W 17S175W. WINDS 20 TO 30 KT S OF LOW AND
TROUGH BETWEEN 141W AND 175W.
.48 HOUR FORECAST LOW 20S151W 1005 MB. TROUGH 25S120W 16S127W TO
LOW TO 14S164W. WINDS 20 TO 30 KT S OF 18S BETWEEN 139W AND 156W.

.TROUGH 12S179E 09S169E 04S161E MOVING SW SLOWLY. ISOLATED MODERATE
TSTMS WITHIN 330 NM E OF TROUGH...AND WITHIN 150 NM W OF TROUGH.
.24 HOUR FORECAST TROUGH MERGED WITH LOW AND TROUGH DESCRIBED IN
GALE WARNING ABOVE.

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

.SEAS 2.5 TO 4.0 M S OF LINE 25S170E 12S169W 22S120W.
.24 HOUR FORECAST SEAS 2.5 TO 4.0 M S OF LINE 22S167E 15S174W
18S144W.
.48 HOUR FORECAST SEAS 2.5 TO 4.0 M S OF LINE 22S169E 15S151W
20S140W...AND FROM 15S TO 10S BETWEEN 180E AND 175E.

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

$$

.FORECASTER AHUE. HONOLULU HI.