High Seas Forecast
Issued by NWS

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000
FZPS40 PHFO 270515
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0530 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC DEC 27 2014.
24 HOUR FORECAST VALID 0000 UTC DEC 28 2014.
48 HOUR FORECAST VALID 0000 UTC DEC 29 2014.

.WARNINGS.

...GALE WARNING...
.LOW 11S170W 1003 MB...POSSIBLE DEVELOPING TROPICAL CYCLONE...MOVING
SE SLOWLY. TROUGH FROM 17S163W TO LOW TO 09S178W TO 07S173E NEARLY
STATIONARY. WINDS 20 TO 30 KT WITHIN 150 NM NE QUADRANT OF LOW.
NUMEROUS STRONG TSTMS WITHIN 120 NM NE QUADRANT OF LOW. ISOLATED
MODERATE TO STRONG TSTMS ELSEWHERE WITHIN 240 NM N OF TROUGH E OF
178W.
.24 HOUR FORECAST LOW 15S169W 1003 MB...POSSIBLE TROPICAL CYCLONE.
TROUGH FROM 18S160W TO LOW TO 10S178W TO 08S173E. WINDS 20 TO 35 KT
AND SEAS 12 FT OR GREATER WITHIN 180 NM SE SEMICIRCLE OF LOW.
.48 HOUR FORECAST LOW 18S168W 1002 MB...POSSIBLE TROPICAL CYCLONE.
TROUGH FROM LOW TO 14S170W TO 09S176E. WINDS 20 TO 35 KT AND SEAS
12 FT OR GREATER WITHIN 210 OF LOW.

...GALE WARNING...
.LOW 22S157W 1005 MB MOVING SE 10 KT. FRONT FROM 25S146W TO LOW.
NEARLY STATIONARY TROUGH FROM LOW TO 17S163W. WINDS 20 TO 35 KT
WITHIN 150 NM OF LOW. WINDS 20 TO 25 KT ELSEWHERE OVER FORECAST
WATERS S OF TROUGH. ISOLATED MODERATE TSTMS WITHIN 240 NM N OF
TROUGH AND FRONT.
.24 HOUR FORECAST LOW 24S152W 1006 MB. FRONT FROM 25S150W TO LOW.
TROUGH FROM LOW TO 18S160W. WINDS 20 TO 25 KT WITHIN 150 NM SW
SEMICIRCLE OF LOW.
.48 HOUR FORECAST LOW DISSIPATED. FRONT FROM 25S142W TO 19S151W.
WINDS DIMINISHED TO 20 KT OR LESS.

.SYNOPSIS AND FORECAST.

.LOW 06S165E 1005 MB NEARLY STATIONARY. TROUGH FROM 07S173E TO LOW
TO 07S160E. SCATTERED STRONG TSTMS WITHIN 330 NM N OF TROUGH.
ISOLATED MODERATE TSTMS WITHIN 180 NM S OF TROUGH.
.24 HOUR FORECAST LOW 05S165E 1006 MB. TROUGH FROM 08S173E TO LOW TO
07S160E.
.24 HOUR FORECAST LOW 06S165E 1005 MB. TROUGH FROM 09S176E TO LOW TO
08S160E.

.E TO SE WINDS 20 TO 25 KT S OF 17S BETWEEN 163W AND 178W.
.24 HOUR FORECAST E TO SE WINDS 20 TO 25 KT S OF 18S BETWEEN 163W
AND 175W.
.24 HOUR FORECAST E TO SE WINDS 20 TO 25 KT S OF 21S BETWEEN 160W
AND 170W.

.RIDGE FROM 25S136W TO 16S155W TO 07S165W TO 01S175E TO 02S160E
NEARLY STATIONARY.

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

.SEAS 8 TO 13 FT S OF A LINE FROM 20S153W TO 14S168W TO 25S177E.
SEAS 8 TO 9 FT FROM 01S TO 18S BETWEEN 127W AND 139W.
.24 HOUR FORECAST EXCEPT AS NOTED IN FIRST PARAGRAPH OF GALE WARNING
SECTION...SEAS 8 TO 12 FT S OF LINE FROM 25S149W TO 10S168W TO
25S173E.
.48 HOUR FORECAST EXCEPT AS NOTED IN FIRST PARAGRAPH OF GALE WARNING
SECTION...SEAS 8 TO 12 FT S OF LINE FROM 25S137W TO 13S166W TO
25S173E.

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

.ISOLATED MODERATE TSTMS FROM 14S TO 19S BETWEEN 179E AND 172E.

$$
.FORECASTER DWROE. HONOLULU HI.





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