682
FZPS40 PHFO 011516
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1730 UTC MON DEC 01 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 DEC 01 2025.
24 HOUR FORECAST VALID 1200 UTC DEC 02 2025.
48 HOUR FORECAST VALID 1200 UTC DEC 03 2025.

.WARNINGS.

...GALE WARNING...
.TROUGH 25S122W 20S127W 14S143W 12S158W 13S168W 09S178W MOVING S
SLOWLY. SCATTERED MODERATE TSTMS WITHIN 270 NM OF TROUGH.
.24 HOUR FORECAST NEW LOW NEAR 17S152W 1005 MB. TROUGH 25S120W
19S134W 17S145W TO LOW TO 12S163W 10S170W. WINDS 20 TO 25 KT FROM
17S TO 12S BETWEEN 154W AND 145W.
.48 HOUR FORECAST NEW SECOND LOW NEAR 21S141W 1004 MB. FIRST LOW
NEAR 18S148W 1002 MB. TROUGH 24S120W 22S131W TO SECOND LOW TO
FIRST LOW TO 13S157W 09S170W. WINDS 30 TO 40 KT FROM 19S TO 16S
BETWEEN 146W AND 144W. WINDS 20 TO 30 KT ELSEWHERE S OF LINE
25S149W 18S149W 13S151W 12S150W 16S141W 25S135W...AND FROM 13S TO
10S BETWEEN 157W AND 154W.

.SYNOPSIS AND FORECAST.

.FRONT 25S163W 23S160E MOVING SE SLOWLY. WIND 20 TO 25 KT S OF
FRONT.
.24 HOUR FORECAST FRONT 25S164E 21S160E. WINDS MOVED S OF AREA.
.48 HOUR FORECAST FRONT 25S174E 21S168E 18S160E.

.TROUGH 25S154W 19S156W NEARLY STATIONARY. SCATTERED MODERATE
TSTMS S OF 19S BETWEEN 158W AND 149W.
.24 HOUR FORECAST TROUGH 25S156W 19S156W.
.48 HOUR FORECAST TROUGH DISSIPATED.

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

.SEAS 2.5 TO 3 M N OF 02S BETWEEN 175E AND 163W.
.24 HOUR FORECAST SEAS 2.5 TO 3 M N OF 07S BETWEEN 177E AND 157W.
.48 HOUR FORECAST SEAS 2.5 TO 3 M FROM 20S TO 12S BETWEEN 154W
AND 146W...S OF 21S BETWEEN 149W AND 135W...AND S OF LINE 25S168E
22S160E.

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

.ISOLATED MODERATE TSTMS S OF 20S BETWEEN 158W AND 149W.



$$

.FORECASTER . HONOLULU HI.