High Seas Forecast
Issued by NWS

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000
FZPS40 PHFO 272300
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2330 UTC SAT DEC 27 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC DEC 27 2014.
24 HOUR FORECAST VALID 1800 UTC DEC 28 2014.
48 HOUR FORECAST VALID 1800 UTC DEC 29 2014.

.WARNINGS.

...GALE WARNING...
.LOW 12S171W 1003 MB...POSSIBLE DEVELOPING TROPICAL CYCLONE...MOVING
SE 10 KT. TROUGH FROM 17S160W TO LOW TO 11S174W NEARLY STATIONARY.
WINDS 20 TO 30 KT WITHIN 120 NM S QUADRANT OF LOW. WINDS 20 TO 25 KT
WITHIN 600 NM SW OF TROUGH S OF 12S. SCATTERED STRONG TSTMS WITHIN
300 NM NE AND WITHIN 120 NM SW OF TROUGH.
.24 HOUR FORECAST LOW 17S167W 1002 MB...POSSIBLE TROPICAL CYCLONE.
TROUGH FROM 21S160W TO LOW TO 06S175E TO 07S160E. WINDS 20 TO 30 KT
WITHIN 180 NM SE QUADRANT OF LOW. WINDS 20 TO 25 KT WITHIN 240 NM SW
OF TROUGH S OF 17S. SEAS 12 FT OR GREATER WITHIN 120 NM OF LOW.
.48 HOUR FORECAST LOW 20S163W 1000 MB...POSSIBLE TROPICAL CYCLONE.
TROUGH FROM LOW TO 14S170W TO 06S175E TO 07S160E. WINDS 25 TO 35 KT
AND SEAS 12 FT OR GREATER WITHIN 150 NM SE AND S QUADRANTS OF LOW.

.SYNOPSIS AND FORECAST.

.LOW 22S154W 1006 MB MOVING E 15 KT. FRONT FROM 25S152W TO LOW.
TROUGH FROM LOW TO 17S160W. WINDS 20 TO 30 KT WITHIN 300 NM S AND SW
QUADRANTS OF LOW. WINDS 20 TO 25 KT ELSEWHERE WITHIN 600 NM SW OF
TROUGH. ISOLATED MODERATE TSTMS WITHIN 180 NM NE OF FRONT AND
WITHIN 180 EITHER SIDE OF TROUGH.
.24 HOUR FORECAST LOW 23S150W 1007 MB. FRONT FROM 25S146W TO LOW.
TROUGH FROM LOW TO 21S160W. TROUGH FROM LOW TO 19S155W. WINDS 20 TO
25 KT WITHIN 150 NM SE QUADRANT OF LOW.
.48 HOUR FORECAST LOW 23S146W 1006 MB. FRONT FROM 25S136W TO LOW.
WINDS DIMINISHED TO 20 KT OR LESS.

.LOW 11S174W 1005 MB NEARLY STATIONARY AND WEAKENING. TROUGH FROM
LOW TO 07S160E. SCATTERED STRONG TSTMS WITHIN 150 NM N AND WITHIN 90
NM S OF TROUGH.
.24 HOUR FORECAST LOW DISSIPATED. SEE TROUGH DESCRIBED IN GALE
WARNING ABOVE.

.RIDGE FROM 25S132W TO 22S140W TO 06S160W TO 02S170W TO 00S170E
NEARLY STATIONARY.

.SEAS 8 TO 11 FT S OF 19S BETWEEN 151W AND 180E...AND FROM 13S TO
19S BETWEEN 165W AND 175W.
.24 HOUR FORECAST EXCEPT AS NOTED IN GALE WARNING ABOVE SEAS 8 TO 11
FT S OF 15S BETWEEN 160W AND 175W.
.48 HOUR FORECAST EXCEPT AS NOTED IN GALE WARNING ABOVE SEAS 8 TO 11
FT S OF 17S BETWEEN 159W AND 173W.

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

.ISOLATED MODERATE TO STRONG TSTMS N OF 05S W OF 170E.

$$
.HONOLULU HI.




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