High Seas Forecast
Issued by NWS

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000
FZPS40 PHFO 180510
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0530 UTC THU DEC 18 2014

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 DEC 18 2014.
24 HOUR FORECAST VALID 0000 UTC DEC 19 2014.
48 HOUR FORECAST VALID 0000 UTC DEC 20 2014.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW...RELOCATED...08S173E 1009 MB MOVING SW SLOWLY. TROUGH FROM
LOW TO 14S180W TO 16S175W TO 17S167W NEARLY STATIONARY. ISOLATED
MODERATE TSTMS WITHIN 135 NM OF LOW AND TROUGH.
.24 HOUR FORECAST LOW 08S172E 1009 MB. TROUGH FROM 05S164E TO LOW TO
15S180W.
.48 HOUR FORECAST LOW DISSIPATED. TROUGH FROM 08S162E TO 10S173E TO
TO 13S175E.

.LOW 14S159W 1009 MB MOVING W SLOWLY. ISOLATED MODERATE TSTMS FROM
09S TO 16S BETWEEN 155W AND 163W.
.24 HOUR FORECAST LOW 13S161W 1006 MB.
.48 HOUR FORECAST LOW 15S161W 1005 MB. SEE DISCUSSION IMMEDIATELY
BELOW FOR FURTHER DETAILS.

.FRONT FROM 25S142W TO 21S146W TO 19S155W TO 16S163W MOVING E 10 KT
S OF 21S...AND NEARLY STATIONARY ELSEWHERE. N TO NE WINDS 20 TO 25
KT WITHIN 180 NM NE AND E OF FRONT S OF 21S. E TO SE WINDS 20 TO
25 KT S OF 23S BETWEEN 152W AND 163W. ISOLATED MODERATE TO LOCALLY
STRONG TSTMS WITHIN 180 NM N AND NE OF FRONT E OF 148W. ISOLATED
MODERATE TSTMS WITHIN 60 NM OF FRONT W OF 150W.
.24 HOUR FORECAST FRONT FROM 25S141W TO 20S147W TO 16S164W TO
17S173W. E TO SE WINDS 20 TO 25 KT S OF FRONT W OF 152W.
.48 HOUR FORECAST FRONT FROM 25S140W TO 18S150W THENCE TROUGH TO
15S158W TO LOW 15S161W 1005 MB...DISCUSSED IMMEDIATELY ABOVE...TO
14S180W. E TO SE WINDS 20 TO 25 KT S OF 16S BETWEEN 156W AND 176W.

.TROUGH FROM 25S169E TO 12S166E TO 07S160E NEARLY STATIONARY.
ISOLATED MODERATE TSTMS WITHIN 240 NM N AND NE OF TROUGH N OF
10S...WITHIN 75 NM S OF TROUGH W OF 164E...AND WITHIN 60 NM OF
TROUGH S OF 21S.
.24 HOUR FORECAST TROUGH FROM 25S166E TO 15S163E.
.48 HOUR FORECAST TROUGH FROM 25S165E TO 16S161E.

.HIGH 10S175W 1012 MB NEARLY STATIONARY.
.24 HOUR FORECAST HIGH DISSIPATED.

.RIDGE FROM 25S132W TO 21S140W TO 17S147W MOVING E SLOWLY AND
GRADUALLY ERODING FROM THE W.

.E WINDS 20 TO 25 KT FROM 06N TO 16N E OF 131W.
.24 HOUR FORECAST WINDS EASED TO 20 KT OR LESS.

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

.SEAS 8 TO 10 FT S OF LINE FROM 00S120W TO 00S129W TO 04S136W TO
19S141W TO 19S165W.
.24 HOUR FORECAST SEAS 8 TO 10 FT S OF 03S E OF 137W...AND S OF LINE
FROM 25S137W TO 21S147W TO 17S160W TO 17S168W TO 20S173W.
.48 HOUR FORECAST SEAS 8 TO 10 FT S OF LINE FROM 21S153W TO 15S162W
TO 15S173W TO 19S179W. SEAS 8 TO 9 FT FROM 14S TO 20S E OF 128W.

.SEAS 8 FT OR LESS OVER REST OF FORECAST AREA.

.ISOLATED MODERATE TSTMS FROM 08S TO 15S BETWEEN 145W TO 154W...AND
FROM 11S TO 16S BETWEEN 134W AND 139W.

$$

.FORECASTER KINEL. HONOLULU HI.




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