High Seas Forecast
Issued by NWS

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000
FZPS40 PHFO 271700
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1730 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC DEC 27 2014.
24 HOUR FORECAST VALID 1200 UTC DEC 28 2014.
48 HOUR FORECAST VALID 1200 UTC DEC 29 2014.

.WARNINGS.

...GALE WARNING...
.LOW 13S171W 1002 MB...POSSIBLE DEVELOPING TROPICAL CYCLONE...MOVING
SE 10 KT. TROUGH 18S160W 14S165W THROUGH LOW TO 10S180W 08S160E
NEARLY STATIONARY. NUMEROUS STRONG TSTMS WITHIN 120 NM OF LINE
16S170W 14S165W 12S165W 06S178W. SCATTERED STRONG TSTMS WITHIN 240
NM OF LINE 15S163W 07S180W.
.24 HOUR FORECAST LOW 16S168W 1002 MB...POSSIBLE TROPICAL CYCLONE.
WINDS 20 TO 35 KT WITHIN 300 NM OF LOW NE QUADRANT. SEAS 12 FT OR
GREATER. WINDS 20 TO 30 KT WITHIN 720 NM OF LOW S SEMICIRCLE. TROUGH
20S162W THROUGH LOW TO 10S176W.
.48 HOUR FORECAST LOW 19S163W 999 MB...POSSIBLE TROPICAL CYCLONE.
TROUGH FROM LOW TO 14S170W TO 09S176E. WINDS 20 TO 40 KT AND SEAS
12 FT OR GREATER WITHIN 200 NM OF LOW E QUADRANT. WINDS 20 TO 25 KT
ELSEWHERE WITHIN 480 NM S SEMICIRCLE. TROUGH FROM LOW TO 10S175W
06S175E 06S160E.

.SYNOPSIS AND FORECAST.

.LOW 23S156W 1006 MB MOVING SE 10 KT. FRONT 25S153W TO LOW. TROUGH
FROM LOW TO 17S160W. WINDS 20 TO 30 KT WITHIN 420 NM OF LOW SW
SEMICIRCLE...WINDS 20 TO 25 KT ELSEWHERE WITHIN 180 NM OF LOW.
SCATTERED MODERATE TSTMS WITHIN 90 NM OF 24S152W AND ISOLATED
MODERATE TSTMS FROM 16S TO 20S BETWEEN 157W AND 162W.
.24 HOUR FORECAST LOW 24S152W 1006 MB. FRONT 25S148W TO LOW. TROUGH
FROM LOW TO 16S159W. WINDS 20 TO 25 KT WITHIN 240 NM OF LOW SW
QUADRANT.
.48 HOUR FORECAST LOW 23S148W 1005 MB. FRONT FROM 25S138W TO LOW.
WINDS AROUND LOW DIMINISHED TO 20 KT OR LESS. WINDS 20 TO 25 KT
S OF 24S BETWEEN 130W AND 138W.

.LOW 11S175W 1006 MB NEARLY STATIONARY. TROUGH FROM LOW TO 10S160E.
.24 HOUR FORECAST LOW DISSIPATED. TROUGH 10S176W 06S160E. SCATTERED
MODERATE TSTMS BETWEEN TROUGH AND 00S W OF 170E.

.RIDGE FROM 25S136W 19S150W 07S165W 00S170E NEARLY STATIONARY.

.SEAS 8 TO 14 FT S OF LINE 25S150W 08S168W 25S170E. SEAS 8 TO 9 FT
FROM 10S TO 20S E OF 140W.
.24 HOUR FORECAST EXCEPT AS NOTED IN GALE WARNING SEAS 8 TO 11 FT S
OF LINE 25S145W 10S170W 25S165E.
.48 HOUR FORECAST EXCEPT AS NOTED IN GALE WARNING SEAS 8 TO 12 FT
S OF LINE 25S155W 14S163W 14S170W 25S170E. SEAS 8 TO 9 FT S OF 24S
BETWEEN 130W AND 140W.

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

$$
.HONOLULU HI.




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