High Seas Forecast
Issued by NWS

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000
FZPS40 PHFO 262315
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2330 UTC FRI DEC 26 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 26 2014.
24 HOUR FORECAST VALID 1800 UTC DEC 27 2014.
48 HOUR FORECAST VALID 1800 UTC DEC 28 2014.

.WARNINGS.

...GALE WARNING...
.LOW 21S157W 1004 MB MOVING SE 10 KT. FRONT FROM 25S146W TO LOW.
NEARLY STATIONARY TROUGH FROM LOW TO 17S163W. WINDS 20 TO 35 KT
WITHIN 180 NM OF LOW. WINDS 20 TO 25 KT ELSEWHERE S OF TROUGH.
ISOLATED MODERATE TSTMS WITHIN 300 NM NE QUADRANT OF LOW.
.24 HOUR FORECAST LOW 23S154W 1006 MB. FRONT FROM 25S149W TO LOW.
TROUGH FROM LOW TO 19S159W. WINDS 20 TO 25 KT WITHIN 210 NM SW
SEMICIRCLE OF LOW.
.48 HOUR FORECAST LOW DISSIPATED. FRONT FROM 25S145W TO 19S152W.
WINDS DIMINISHED TO 20 KT OR LESS.

.SYNOPSIS AND FORECAST.

.LOW 11S171W 1003 MB...POSSIBLE DEVELOPING TROPICAL CYCLONE...MOVING
SE SLOWLY. TROUGH FROM 17S163W TO LOW TO 10S178W TO 06S172E NEARLY
STATIONARY. WINDS 20 TO 30 KT WITHIN 150 NM NE QUADRANT OF LOW.
NUMEROUS STRONG TSTMS WITHIN 150 NM NE QUADRANT OF LOW. ISOLATED
MODERATE TO STRONG TSTMS ELSEWHERE WITHIN 240 NM N OF TROUGH E OF
178E.
.24 HOUR FORECAST LOW 14S170W 1003 MB...POSSIBLE TROPICAL CYCLONE.
TROUGH FROM 19S159W TO LOW TO 10S178W TO 08S172E. WINDS 20 TO 30 KT
WITHIN 180 NM SE SEMICIRCLE OF LOW.
.48 HOUR FORECAST LOW 18S168W 1003 MB...POSSIBLE TROPICAL CYCLONE.
TROUGH FROM 18S161W TO LOW TO 10S178W TO 08S176E. WINDS 20 TO 30 KT
WITHIN 210 NM SE SEMICIRCLE OF LOW.

.LOW 06S165E 1004 MB NEARLY STATIONARY. TROUGH FROM 06S172E TO LOW
TO 06S160E. SCATTERED STRONG TSTMS WITHIN 270 NM N OF TROUGH.
ISOLATED MODERATE TSTMS WITHIN 240 NM S OF TROUGH.
.24 HOUR FORECAST LOW 07S168E 1005 MB. TROUGH FROM 08S172E TO LOW TO
07S160E.
.24 HOUR FORECAST LOW 06S165E 1005 MB. TROUGH FROM 08S176E TO LOW TO
07S160E.

.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 178W.
.24 HOUR FORECAST E TO SE WINDS 20 TO 25 KT S OF 21S BETWEEN 163W
AND 173W.

.RIDGE FROM 25S137W TO 16S155W TO 07S165W TO 01S174E NEARLY
STATIONARY.

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

.SEAS 8 TO 12 FT S OF 15S BETWEEN 153W AND 179W. SEAS 8 TO 9 FT FROM
09S TO 20S BETWEEN 123W AND 139W.
.24 HOUR FORECAST SEAS 8 TO 12 FT S OF LINE FROM 25S150W TO 10S169W
TO 25S173E.
.48 HOUR FORECAST SEAS 8 TO 12 FT S OF LINE FROM 25S141W TO 12S168W
TO 23S170E.

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

.ISOLATED MODERATE TSTMS FROM 13S TO 23S BETWEEN 172E AND 177E.

$$
.FORECASTER DWROE. HONOLULU HI.




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