High Seas Forecast
Issued by NWS

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000
FZPS40 PHFO 200455
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0530 UTC SAT DEC 20 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 20 2014.
24 HOUR FORECAST VALID 0000 UTC DEC 21 2014.
48 HOUR FORECAST VALID 0000 UTC DEC 22 2014.

.WARNINGS.

...GALE WARNING...
.LOW NEAR 14S160W 1005 MB MOVING SE 10 KT. TROUGHS FROM LOW TO
17S154W TO 18S147W AND FROM LOW TO 10S164W TO 08S169W. WINDS 20 TO
30 KT AND SEAS 8 TO 10 FT WITHIN 480 NM OF LOW. NUMEROUS MODERATE TO
STRONG TSTMS WITHIN 360 NM OF TROUGH LINE AND WITHIN 180 NM SW OF
TROUGH LINE.
.24 HOUR FORECAST LOW NEAR 16S158W 1003 MB. TROUGHS FROM LOW TO
19S152W AND FROM LOW TO 10S164W. WINDS 20 TO 30 KT AND SEAS 8 TO 12
FT WITHIN 360 NM OF LOW.
.48 HOUR FORECAST LOW NEAR 18S1563W 999 MB. DEVELOPING WARM FRONT
FROM LOW TO 23S145W. TROUGH FROM LOW TO 14S160W. WINDS 30 TO 40 KT
AND SEAS 12 TO 15 FT WITHIN 120 NM OF LOW NE SEMICIRCLE. WINDS 20
TO 30 KT AND SEAS 8 TO 12 FT ELSEWHERE WITHIN 360 NM OF LOW.

.SYNOPSIS AND FORECAST.

.LOW NEAR 13S171W 1006 MB MOVING SE 10 KT. NUMEROUS MODERATE TO
STRONG TSTMS WITHIN 360 NM OF LOW.
.24 HOUR FORECAST LOW NEAR 13S169W 1005 MB. WINDS INCREASING TO 20
TO 25 KT WITHIN 300 NM OF LOW.
.48 HOUR FORECAST LOW NEAR 14S165W 1001 MB. DEVELOPING TROUGH FROM
LOW TO 11S173W. WINDS 20 TO 30 KT WITHIN 300 NM OF LOW.

.LOW NEAR 09S171E 1006 MB MOVING SE 10 KT. SCATTERED MODERATE TO
STRONG TSTMS WITHIN 360 NM OF LOW NE SEMICIRCLE.
.24 HOUR FORECAST LOW NEAR 10S175E 1006 MB.
.48 HOUR FORECAST LOW NEAR 10S178E 1006 MB.

.STATIONARY FRONT FROM 25S136W TO 21S140W TO 18S147W. ISOLATED
MODERATE TSTMS WITHIN 360 NM E AND NE OF FRONT.
.24 HOUR FORECAST DISSIPATING FRONT FROM 25S136W TO 20S139W TO
15S146W.
.48 HOUR FORECAST REMNANT TROUGH FROM 25S136W TO 20S139W.

.RIDGE FROM 24S120W TO 14S134W TO 06S149W.
.24 HOUR FORECAST RIDGE FROM 14S120W TO 14S134W TO 06S161W.
.48 HOUR FORECAST LITTLE CHANGE.

.OTHERWISE WINDS 20 TO 30 KT ELSEWHERE S OF A LINE FROM 16S179W TO
16S159W TO 20S150W.
.24 HOUR FORECAST WINDS 20 TO 25 KT ELSEWHERE S OF A LINE FROM
15S179W TO 18S156W TO 22S148W.
.48 HOUR FORECAST WINDS 20 TO 30 KT ELSEWHERE S OF A LINE FROM
15S179W TO 18S156W TO 22S148W.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.OTHERWISE SEAS 8 TO 11 FT ELSEWHERE S OF A LINE FROM 15S177W TO
15S160W TO 25S135W.
.24 HOUR FORECAST SEAS 8 TO 11 FT ELSEWHERE S OF A LINE FROM 19S177W
TO 14S167W TO 15S154W TO 25S131W.
.48 HOUR FORECAST SEAS 8 TO 13 FT ELSEWHERE S OF A LINE FROM 15S177W
TO 15S160W TO 20S147W TO 25S131W.

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

.OTHERWISE ISOLATED MODERATE TO STRONG TSTMS ELSEWHERE FROM 06S TO
20S BETWEEN 175E AND 148W. ALSO ISOLATED MODERATE TSTMS ELSEWHERE
FROM 00S TO 12S BETWEEN 160E AND 175E.

$$
.FORECASTER A BEDAL. HONOLULU HI.





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