622
FZPS40 PHFO 080337
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0530 UTC MON DEC 08 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 DEC 08 2025.
24 HOUR FORECAST VALID 0000 UTC DEC 09 2025.
48 HOUR FORECAST VALID 0000 UTC DEC 10 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW NEAR 23S179E 1002 MB. TROUGH FROM 25S176W TO LOW TO 15S175E.
LOW MOVING S 15 KT AND TROUGH MOVING SW 10 KT. WINDS 20 TO 30 KT
S OF 21S BETWEEN 173E AND 168W. SCATTERED MODERATE TSTMS S OF 14S
BETWEEN 176E AND 169W...AND FROM 14S TO 10S BETWEEN 177E AND 178W.
.24 HOUR FORECAST LOW MOVED S OF AREA. TROUGH 25S178E 15S168E.
WINDS 20 TO 25 KT S OF 22S BETWEEN 176E AND 171W.
.48 HOUR FORECAST TROUGH 25S177E 20S175E. ASSOCIATED WINDS MOVED
S OF AREA.

.LOW NEAR 08S173E 1005 MB MOVING NW 10 KT. TROUGH FROM 11S177E TO
LOW TO 06165E TO 07S160E NEARLY STATIONARY. SCATTERED MODERATE TO
STRONG TSTMS N OF 07S W OF 176E.
.24 HOUR FORECAST LOW NEAR 05S166E 1006 MB. TROUGH FROM 16S179W
TO 10S175E TO LOW TO 06S160E.
.48 HOUR FORECAST LOW MOVED W OF AREA. TROUGH 17S178E 09S169E
06S160E.

.TROUGH 25S140W 21S149W 18S154W MOVING E 10 KT.
.24 HOUR FORECAST TROUGH 25S136W 13S144W.
.48 HOUR FORECAST TROUGH 25S133W 17S141W.

.TROUGH 19S166E 17S172E MOVING NW 10 KT. ISOLATED MODERATE TSTMS
WITHIN 150 NM S OF TROUGH.
.24 HOUR FORECAST TROUGH DISSIPATED.

.24 HOUR FORECAST NEW TROUGH 14S120W 11S140W 06S153W.
.48 HOUR FORECAST TROUGH 17S126W 15S125W 07S161W.

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

.SEAS 2.5 TO 4 M S OF 17S BETWEEN 168E AND 158W. SEAS 2.5 TO 3 M
N OF 03S BETWEEN 179W AND 165W.
.24 HOUR FORECAST SEAS 2.5 TO 4 M S OF LINE 25S171E 21S176E
17S167W 18S160W 25S164W. SEAS 2.5 TO 3 M N OF LINE 00S179W 08S177W
15S164W 12S150W 00S155W.
.48 HOUR FORECAST SEAS LOWERED TO 2.5 M OR LOWER.

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

.ISOLATED MODERATE TSTMS FROM 09S TO 06S BETWEEN 174W AND 168W.

$$

.FORECASTER TROTTER. HONOLULU HI.