401
FZPS40 PHFO 010306
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0530 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC DEC 01 2025.
24 HOUR FORECAST VALID 0000 UTC DEC 02 2025.
48 HOUR FORECAST VALID 0000 UTC DEC 03 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 25S123W 21S128W 16S138W 15S149W 17S155W 14S162W MOVING S
SLOWLY. SCATTERED MODERATE TSTMS WITHIN 210 NM N OF TROUGH BETWEEN
123W AND 135W. ISOLATED MODERATE TSTMS ELSEWHERE WITHIN 240 NM
PRIMARILY N OF TROUGH W OF 135W.
.24 HOUR FORECAST TROUGH 25S122W 20S131W 17S140W 16S150W 15S163W
14S167W. NW WINDS 20 TO 25 KT WITHIN 90 NM N OF TROUGH BETWEEN
135W AND 155W.
.48 HOUR FORECAST NEW LOW NEAR 16S148W 1004 MB. TROUGH 25S120W
22S127W 21S136W TO LOW TO 15S155W 13S165W. WINDS 20 TO 30 KT AND
SEAS 2.5 TO 4 M WITHIN 180 NM NE SEMICIRCLE OF LOW.

.FRONT 25S156W 21S158W MOVING S SLOWLY. ISOLATED MODERATE TSTMS
WITHIN 90 NM E OF FRONT.
.24 HOUR FORECAST FRONT WEAKENED TO TROUGH 25S155W 20S156W 16S155W.
.48 HOUR FORECAST TROUGH 25S157W 20S158W 17S156W.

.TROUGH 17S169W 17S174W 12S180E 11S168E 08S160E NEARLY STATIONARY.
SCATTERED MODERATE TSTMS FROM 19S TO 14S BETWEEN 162W AND 176W.
.24 HOUR FORECAST TROUGH 14S170W 15S174W 11S174W 09S178E 10S170E
07S160E.
.48 HOUR FORECAST TROUGH 14S170W 15S174W 10S180E 08S160E.

.48 HOUR FORECAST NEW FRONT 25S170E 19S164E 17S160E.

.48 HOUR FORECAST WINDS 20 TO 30 KT S OF 20S BETWEEN 135W AND
142W.

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

.SEAS 2.5 TO 3 M S OF 22S BETWEEN 120W AND 140W.
.24 HOUR FORECAST SEAS 2.5 TO 3 M N OF 04S BETWEEN 156W AND 177E.
.48 HOUR FORECAST SEAS SUBSIDED TO 2.5 M OR LOWER.

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

.ISOLATED MODERATE TSTMS S OF 22S W OF 164E.


$$

.FORECASTER TSAMOUS. HONOLULU HI.