499
FZPS40 PHFO 182305
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2330 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC NOV 18 2025.
24 HOUR FORECAST VALID 1800 UTC NOV 19 2025.
48 HOUR FORECAST VALID 1800 UTC NOV 20 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 23S120W 20S125W 19S134W 12S146W NEARLY STATIONARY.
SCATTERED MODERATE TSTMS FROM 22S TO 12S BETWEEN 140W AND 126W.
.24 HOUR FORECAST NEW LOW NEAR 23S128W 1009 MB. TROUGH FROM
25S125W TO LOW TO 16S137W TO 13S143W TO 10S155W. WINDS 20 TO 30 KT
S OF 20S E OF 130W.
.48 HOUR FORECAST LOW MOVED S OF AREA. TROUGH 25S124W 17S133W
12S152W. WINDS EASED TO 20 KT OR LESS.

.TROUGH 25S170E 18S164E 13S160E MOVING W SLOWLY.
.24 HOUR FORECAST TROUGH 23S160E 20S161E 13S160E.
.48 HOUR FORECAST TROUGH MOVED W OF AREA.

.TROUGH 24S173W 16S168W 09S166W MOVING W SLOWLY. WINDS 20 TO 25 KT
S OF 14S BETWEEN 175W AND 147W. ISOLATED MODERATE TSTMS WITHIN 300
NM OF TROUGH S OF 13S.
.24 HOUR FORECAST TROUGH 18S170W 11S170W 07S177W. WINDS 20 TO 30
KT S OF 14S BETWEEN 175W AND 147W.
.48 HOUR FORECAST TROUGH 13S160W 14S173W 07S179E 06S173E. WINDS
20 TO 25 KT S OF 15S BETWEEN 178E AND 146W.

.TROUGH 16S176E 11S172E 05S169E MOVING W 10 KT. SCATTERED
MODERATE TSTMS FROM 08S TO 03S BETWEEN 169E AND 177E.
.24 HOUR FORECAST TROUGH 14S171E 10S166E 08S160E.
.48 HOUR FORECAST TROUGH 20S168E 09S168E.

.24 HOUR FORECAST NEW TROUGH 25S179E 17S176E.
.48 HOUR FORECAST TROUGH 25S175E 19S174E.

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

.SEAS 2.5 TO 4 M S OF LINE 25S174E 21S177E 22S175W 10S171W
13S156W 20S145W 25S152W. SEAS 2.5 TO 3 M E OF LINE 25S135W 19S136W
14S127W 07S136W 00S135W.
.24 HOUR FORECAST SEAS 2.5 TO 4 M S OF LINE 25S179W 17S173W
12S161W 25S138W. SEAS 2.5 TO 3 M S OF 19S E OF 133W.
.48 HOUR FORECAST SEAS 2.5 TO 4 M S OF LINE 25S178E 19S179E
13S165W 18S146W 22S141W 25S121W.

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

.SCATTERED MODERATE TSTMS FROM 16S TO 06S BETWEEN 179W AND 172W.
ISOLATED MODERATE TSTMS FROM 16S TO 11S BETWEEN 165E AND
169E...AND FROM 07S TO 02S W OF 167E.

$$

.FORECASTER TROTTER. HONOLULU HI.