High Seas Forecast
Issued by NWS

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000
FZPS40 PHFO 131532
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1730 UTC WED DEC 13 2017

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 13 2017.
24 HOUR FORECAST VALID 1200 UTC DEC 14 2017.
48 HOUR FORECAST VALID 1200 UTC DEC 15 2017.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT FROM 23S120W TO 19S135W TO 21S146W TO 25S152W MOVING
E 10 KT E OF 124W AND NEARLY STATIONARY ELSEWHERE. ISOLATED
MODERATE TSTMS FROM 18S TO 23S BETWEEN 136W AND 141W...AND
S OF 21S BETWEEN 149W AND 155W.
.24 HOUR FORECAST FRONT FROM 23S120W TO 20S129W TO 20S140W TO
21S147W.
.48 HOUR FORECAST FRONT FROM 24S120W TO 21S130W TO 19S144W TO
15S152W. E WINDS 20 TO 25 KT WITHIN 180 NM S OF FRONT BETWEEN
132W AND 136W.

.TROUGH FROM 25S156W TO 16S164W TO 13S174W TO 12S173E TO 14S160E
NEARLY STATIONARY. SCATTERED MODERATE TSTMS FROM 10S TO 19S W
OF 167E...AND FROM 05S TO 14S BETWEEN 172E AND 167E. ISOLATED
MODERATE TSTMS FROM 10S TO 14S BETWEEN 179W AND 175E...AND FROM
10S TO 19S BETWEEN 156W AND 167W.
.24 HOUR FORECAST TROUGH FROM 25S155W TO 12S171W TO 12S175E TO
15S160E.
.48 HOUR FORECAST TROUGH FROM 25S154W TO 15S167W TO 12S173E TO
14S160E. WINDS 20 TO 25 KT FROM 20S TO 24S W OF 168E.

.TROUGH FROM 11S154W TO 14S146W MOVING SW SLOWLY. ISOLATED
MODERATE TSTMS BETWEEN TROUGH AND 11S BETWEEN 147W AND 149W.
.24 HOUR FORECAST TROUGH FROM 11S155W TO 16S147W.
.48 HOUR FORECAST TROUGH DISSIPATED.

.RIDGE FROM 17S120W TO 10S142W TO 07S165W TO 05S180W TO 03S162E
NEARLY STATIONARY.

.RIDGE FROM 25S178E TO 17S175W TO 18S169W NEARLY STATIONARY.

.SEAS 8 TO 10 FT SE OF A LINE FROM 20S120W TO 25S128W.
.24 HOUR FORECAST SEAS DIMINISHED TO 8 FT OR LESS ENTIRE AREA.
.48 HOUR FORECAST SEAS 8 FT OR LESS ENTIRE AREA.

.REMAINDER OF AREA WINDS 20 KT OR LESS AND SEAS 8 FT OR LESS.

.ISOLATED MODERATE TSTMS FROM 04S TO 08S BETWEEN 174W AND 177W.

$$

.FORECASTER BIRCHARD. HONOLULU HI.


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