High Seas Forecast
Issued by NWS

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000
FZPS40 PHFO 191700
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1730 UTC FRI DEC 19 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 19 2014.
24 HOUR FORECAST VALID 1200 UTC DEC 20 2014.
48 HOUR FORECAST VALID 1200 UTC DEC 21 2014.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW 13S161W 1006 MB MOVING S SLOWLY. TROUGH FROM 13S176W TO 12S167W
THROUGH LOW TO 19S148W...CONTINUING AS A FRONT TO 22S142W TO
25S140W. FRONT AND TROUGH NEARLY STATIONARY. WINDS 20 TO 25 KT OVER
FORECAST WATERS S OF LOW AND TROUGH. NUMEROUS MODERATE TO STRONG
TSTMS WITHIN 570 NM E QUADRANT AND WITHIN 420 NM N QUADRANT OF LOW.
SCATTERED MODERATE TO STRONG TSTMS ELSEWHERE WITHIN 540 NM NE OF
FRONT AND TROUGH E OF LOW...AND WITHIN 180 NM OF TROUGH W OF 166W.
.24 HOUR FORECAST LOW 15S162W 1004 MB. TROUGH FROM 08S171E TO
15S178E TO 13S171W THROUGH LOW TO 18S149W...CONTINUING AS A FRONT
TO 25S137W. WINDS 20 TO 25 KT WITHIN 300 NM E AND NE QUADRANTS OF
LOW...AND OVER FORECAST WATERS S OF LOW AND TROUGH E OF 176W.
.48 HOUR FORECAST LOW 17S158W 1002 MB. TROUGH FROM 08S170E TO
15S180E TO 14S170W THROUGH LOW TO 20S153W...CONTINUING AS A FRONT TO
20S143W TO 25S136W. WINDS 20 TO 30 KT WITHIN 750 NM NW QUADRANT AND
WITHIN 330 NM N QUADRANT OF LOW...AND OVER FORECAST WATERS S OF LOW
AND TROUGH E OF 175W.

.LOW 10S172E 1007 MB MOVING SE SLOWLY. TROUGH FROM 05S164E THROUGH
LOW TO 14S176E TO 13S176W NEARLY STATIONARY. ISOLATED MODERATE
TSTMS WITHIN 210 NM N AND E OF LOW AND TROUGH.
.24 HOUR FORECAST LOW DISSIPATED. TROUGH MERGED WITH TROUGH
DESCRIBED ABOVE.

.TROUGH FROM 25S165E TO 20S165E TO 13S160E MOVING SSW SLOWLY.
.24 HOUR FORECAST TROUGH FROM 25S168E TO 17S160E.
.48 HOUR FORECAST TROUGH FROM 25S167E TO 18S160E.

.RIDGE FROM 25S124W TO 09S143W TO 04S160W TO 04S173W NEARLY
STATIONARY.

.RIDGE FROM 25S173E TO 12S165E NEARLY STATIONARY.

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

.SEAS 8 TO 11 FT S OF A LINE FROM 23S137W TO 15S167W TO 25S179W.
SEAS 8 TO 9 FT E OF 137W.
.24 HOUR FORECAST SEAS 8 TO 11 FT S OF A LINE FROM 25S139W TO
11S160W TO 25S175E.
.48 HOUR FORECAST SEAS 8 TO 11 FT S OF A LINE FROM 25S135W TO
11S166W TO 25S176E.

.OTHERWISE...SEAS 8 FT OR LOWER OVER REST OF FORECAST AREA.

.ISOLATED MODERATE TSTMS FROM 03S TO 11S W OF 165E...N OF 04S
BETWEEN 177W AND 171E...AND WITHIN 60 NM OF A POINT 19S175E.

$$
.FORECASTER HOUSTON. HONOLULU HI.





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