743
FZPS40 PHFO 180317
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0530 UTC TUE NOV 18 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 18 2025.
24 HOUR FORECAST VALID 0000 UTC NOV 19 2025.
48 HOUR FORECAST VALID 0000 UTC NOV 20 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 21S120W 18S123W THENCE TROUGH 15S132W 12S156W 15S169W
08S175E MOVING S SLOWLY. SCATTERED MODERATE TSTMS WITHIN 180 NM
OF TROUGH BETWEEN 131W AND 150W...AND WITHIN 300 NM OF TROUGH
BETWEEN 162W AND 173E.
.24 HOUR FORECAST FRONT MOVED E OF AREA. TROUGH 24S120W 20S130W
12S144W 12S161W 15S169W 09S170E.
.48 HOUR FORECAST NEW LOW 1010 MB NEAR 24S126W. TROUGH 25S125W TO
LOW TO 21S130W 16S136W 12S155W 14S168W 16S178W. WINDS 20 TO 25 KT
WITHIN 90 NM OF LOW.

.TROUGH 25S179W 22S179W 20S180W 17S176E MOVING W SLOWLY. SCATTERED
MODERATE TSTMS S OF 21S BETWEEN 170W AND 177W.
.24 HOUR FORECAST TROUGH DISSIPATED.

.FRONT 25S167E 22S165E 16S160E NEARLY STATIONARY. NUMEROUS MODERATE
TSTMS FROM 18S TO 10S W OF 168E.
.24 HOUR FORECAST FRONT BECAME TROUGH 25S166E 20S164E 14S160E.
.48 HOUR FORECAST TROUGH 25S162E 17S160E.

.ENE WINDS 20 TO 25 KT S OF A LINE 15S150W 16S165W 25S175W.
.24 HOUR FORECAST E WINDS 20 TO 25 KT S OF LINE 17S148W 14S161W
21S176W.
.48 HOUR FORECAST E WINDS 20 TO 25 KT S OF LINE 21S143W 14S160W
19S180W.

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

.SEAS 3 TO 4.5 M S OF A LINE 15S157W 17S171W 25S178E. SEAS 2.5 TO
3 M ELSEWHERE S OF A LINE 12S120W 09S131W 10S170W 25S176E.
.24 HOUR FORECAST SEAS 2.5 TO 3.5 M S OF A LINE 15S150W 14S170W
25S176E...AND S OF 15S E OF 131W.
.48 HOUR FORECAST SEAS 2.5 TO 4 M S OF LINE 25S135W 11S158W
18S180W.

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

.SCATTERED MODERATE TSTMS FROM 20S TO 10S W OF 170E...AND S OF 23S
BETWEEN 174W AND 178W.


$$

.FORECASTER TSAMOUS. HONOLULU HI.