000
FZPS40 PHFO 211536
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1730 UTC TUE AUG 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 AUG 21 2018.
24 HOUR FORECAST VALID 1200 UTC AUG 22 2018.
48 HOUR FORECAST VALID 1200 UTC AUG 23 2018.

.WARNINGS.

...GALE WARNING....
.FRONT FROM 25S131W TO 20S137W TO 15S150W TO 13S160W MOVING E AND
NE TO 20 KT. NW WINDS 25 TO 40 KT WITHIN 380 NM E OF FRONT S OF 20S.
WINDS 20 TO 25 KT ELSEWHERE WITHIN 640 NM E OF FRONT S OF 18S.
.24 HOUR FORECAST FRONT FROM 25S121W TO 20S128W TO 15S140W TO
13S150W. NW WINDS 25 TO 35 KT OVER FORECAST WATERS E OF FRONT S OF
20S. WINDS 20 TO 25 KT ELSEWHERE E OF FRONT S OF 17S.
.48 HOUR FORECAST FRONT FROM 22S120W TO 13S135W TO 12S145W. NW WINDS
20 TO 30 KT OVER FORECAST WATERS E OF FRONT S OF 17S.


.SYNOPSIS AND FORECAST.

.FRONT FROM 25S179W TO 20S178E TO 15S170E TO 10S160E MOVING E 15 KT
S OF 20S...BECOMING NEARLY STATIONARY W OF 173E. WINDS 20 TO 25 KT
WITHIN 200 NM E OF FRONT S OF 23S. FRONT BECOMING STATIONARY.
.24 HOUR FORECAST FRONT FROM 25S172W TO 20S180E TO 16S165E. WINDS
DIMINISHED TO 20 KT OR LESS OVER FORECAST WATERS.
.48 HOUR FORECAST FRONT FROM 25S174W TO 22S180W TO 18S165E.

.TROUGH FROM 00S171E TO 05S173E TO 10S176E NEARLY STATIONARY AND
DISSIPATING. ISOLATED TSTMS WITHIN 160 NM OF LOW.
.24 HOUR FORECAST LOW AND TROUGHS DISSIPATED.

.RIDGE FROM 22S120W TO 14S140W MOVING NE SLOWLY...AND GRADUALLY
ERODING FROM THE W.

.RIDGE FROM 25S159W TO 18S152W NEARLY STATIONARY AND DISSIPATING.

.RIDGE FROM 25S166W TO 20S178W MOVING SE 15 KT...AND ERODING FROM W.

.RIDGE FROM 22S160E TO 22S174E MOVING SE 15 KT.

.WINDS 20 KT OR LESS REST OF FORECAST AREA.

.SEAS 8 TO 14 FT S OF A LINE FROM 25S124W TO 20S132W TO 20S139W.
SEAS 8 TO 12 FT S OF A LINE FROM 25S176E TO 15S160E.
.24 HOUR FORECAST SEAS 8 TO 16 FT S OF 20S E OF 130W. SEAS 8 TO
10 FT ELSEWHERE S OF 17S E OF 135W. SEAS 8 TO 12 FT S OF A LINE
FROM 25S176W TO 18S176E TO 18S170E. SEAS 8 TO 9 FT ELSEWHERE
S OF 20S W OF 170E. SEAS 8 TO 9 FT S OF 20S BETWEEN 140W AND 150W.
.48 HOUR FORECAST SEAS 8 TO 12 FT S OF A LINE FROM 18S120W TO
16S127W TO 25S144W.

.OTHERWISE SEAS 8 FT OR LESS.

.ISOLATED MODERATE TSTMS FROM 05S TO 10S BETWEEN 179E AND 175W.

$$

.FORECASTER LAU. HONOLULU HI.