458
FZPS40 PHFO 071509
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1730 UTC SUN DEC 07 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 07 2025.
24 HOUR FORECAST VALID 1200 UTC DEC 08 2025.
48 HOUR FORECAST VALID 1200 UTC DEC 09 2025.

.WARNINGS.

...GALE WARNING...
.LOW 19S180E 1005 MB. TROUGH 25S170W TO LOW TO 10S170E. TROUGH
AND LOW MOVING S 15 KT. WINDS 20 TO 30 KT S OF LINE 25S166W
16S178W 17S175E 25S170E. NUMEROUS MODERATE TSTMS WITHIN 250 NM OF
LOW AND TROUGH.
.18 HOUR FORECAST LOW 25S179E 998 MB. TROUGH FROM LOW TO 16S176E
13S175E. WINDS 30 TO 35 KT S OF 23S BETWEEN 170W AND 179E. WINDS
20 TO 30 KT ELSEWHERE S OF 20S BETWEEN 165W AND 170E.
.24 HOUR FORECAST LOW MOVED S OF AREA. TROUGH 25S180W 20S180W
12S176E. WINDS 20 TO 25 KT S OF 21S BETWEEN 167W AND 175W.
.48 HOUR FORECAST TROUGH 25S177E 20S175E 16S170E. WINDS EASED TO
20 KT OR LESS.

.SYNOPSIS AND FORECAST.

.LOW 09S175E 1005 MB MOVING NW 15 KT. TROUGH 05S160E 06S168E TO
LOW TO 10S178E NEARLY STATIONARY. SCATTERED MODERATE TO STRONG
TSTMS WITHIN 150 NM N OF LOW AND TROUGH.
.24 HOUR FORECAST LOW 06S165E 1006 MB. TROUGH 06S160E TO LOW TO
06S170E 09S174E.
.48 HOUR FORECAST LOW MOVED W OF AREA. TROUGH 06S160E 08S170E.

.TROUGH 25S140W 22S142W 11S163W MOVING SE 10 KT. ISOLATED
MODERATE TSTMS WITHIN 90 NM OF TROUGH.
.24 HOUR FORECAST TROUGH 25S137W 22S140W 17S147W.
.48 HOUR FORECAST TROUGH 25S134W 20S137W 17S141W.

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

.SEAS 2.5 TO 3 M S OF 17S BETWEEN 155W AND 169E.
.24 HOUR FORECAST SEAS 2.5 TO 4 M S OF 20S BETWEEN 162W AND 168E.
.48 HOUR FORECAST SEAS 2.5 TO 3 M S OF 21S BETWEEN 167W AND 171E.

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


$$

.FORECASTER ALMANZA. HONOLULU HI.