000
FZPS40 PHFO 211535
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1730 UTC SAT JUL 21 2018

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 JUL 21 2018.
24 HOUR FORECAST VALID 1200 UTC JUL 22 2018.
48 HOUR FORECAST VALID 1200 UTC JUL 23 2018.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT FROM 25S163W TO 23S164W TO 17S173W MOVING E 10 KT S OF 20S
AND NEARLY STATIONARY ELSEWHERE. SCATTERED MODERATE TSTMS WITHIN 60
NM LINE FROM 25S159W TO 23S161W TO 23S163W. ISOLATED MODERATE TSTMS
ELSEWHERE WITHIN 210 NM E AND NE OF FRONT S OF 18S.
.24 HOUR FORECAST FRONT FROM 25S159W TO 22S160W TO 20S162W.
.48 HOUR FORECAST FRONT FROM 25S154W TO 22S156W TO 20S159W.

.FRONT THROUGH 25S160E MOVING ENE 10 KT.
.24 HOUR FORECAST FRONT FROM 25S167E TO 22S160E.
.48 HOUR FORECAST FRONT FROM 25S177E TO 22S177E TO 15S170E.

.TROUGH FROM 01S164E TO 04S160E NEARLY STATIONARY. ISOLATED MODERATE
TSTMS N OF 11S W OF 166E...AND FROM 10S TO 11S BETWEEN 166E AND 169E.
.24 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH FROM 21S152W TO 23S155W TO 18S158W MOVING SW SLOWLY.
ISOLATED MODERATE TSTMS WITHIN 210 NM E AND NE OF TROUGH S OF
16S...ELSEWHERE S OF 23S BETWEEN 145W AND 156W...AND FROM 17S TO 19S
BETWEEN 149W AND 152W.
.24 HOUR FORECAST TROUGH MOVED S OF FORECAST AREA. NEW TROUGH FROM
25S145W TO 21S147W.
.48 HOUR FORECAST TROUGH DISSIPATED.

.RIDGE FROM 25S158W TO 21S162W MOVING ENE SLOWLY AND WEAKENING.

.E TO SE WINDS 20 TO 25 KT FROM 09S TO 14S BETWEEN 162E AND
167E...AND FROM 11S TO 19S BETWEEN 134W AND 141W.
.24 HOUR FORECAST E TO SE WINDS 20 TO 25 KT FROM 09S TO 17S BETWEEN
121W AND 133W.
.48 HOUR FORECAST E TO SE WINDS 20 TO 25 KT FROM 09S TO 15S E OF
132W.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.SEAS 8 TO 12 FT E OF LINE FROM 00S135W TO 10S139W TO 12S142W TO
25S132W.
.24 HOUR FORECAST SEAS 8 TO 10 FT E OF LINE FROM 00S130W TO 05S136W
TO 18S135W TO 21S120W.
.48 HOUR FORECAST SEAS 8 TO 9 FT E OF LINE FROM 02S120W TO 08S133W
TO 13S138W TO 17S137W.

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

.ISOLATED MODERATE TSTMS FROM 01S TO 08S BETWEEN 167E AND 178W.

$$

.HONOLULU FORECAST OFFICE.