High Seas Forecast
Issued by NWS

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000
FZPS40 PHFO 252315
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2330 UTC THU DEC 25 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 25 2014.
24 HOUR FORECAST VALID 1800 UTC DEC 26 2014.
48 HOUR FORECAST VALID 1800 UTC DEC 27 2014.

.WARNINGS.

...GALE WARNING...
.LOW NEAR 17S157W 1000 MB MOVING S 10 KT. TROUGH FROM LOW TO
14S164W. FRONT FROM 25S141W TO 24S152W TO 22S158W...MOVING S 10
KT.WINDS 25 TO 40 KT WITHIN 180 NM E SEMICIRCLE OF LOW. WINDS 20 TO
35 KT WITHIN 180 NM SW SEMICIRCLE OF LOW. WINDS 20 TO 30 KT
ELSEWHERE WITHIN 300 NM E AND SW SEMICIRCLES OF LOW. SEE ASSOCIATED
SEAS IN SEAS SECTION BELOW. ISOLATED STRONG TSTMS WITHIN 150 NM NE
SEMICIRCLE OF LOW. SCATTERED MODERATE TO STRONG TSTMS ELSEWHERE
WITHIN 350 NM SE QUADRANT OF LOW.
.24 HOUR FORECAST LOW 20N156W 1001 MB. TROUGHS FROM LOW TO 15S164W.
WINDS 25 TO 40 KT WITHIN 200 NM E SEMICIRCLE OF LOW. WINDS 20 TO 35
KT WITHIN 160 NM SW SEMICIRCLE OF LOW. WINDS 20 TO 30 KT ELSEWHERE
WITHIN 300 NM OF LOW.
.48 HOUR FORECAST LOW 24S153W 1002 MB. TROUGH FROM LOW TO 16S162W.
WINDS 20 TO 35 KT WITHIN 280 NM OF LOW. FRONT MOVED S OF FORECAST
AREA.

.SYNOPSIS AND FORECAST.

.LOW NEAR 11S174W 1002 MB STATIONARY. TROUGHS FROM LOW TO 14S164W...
AND FROM LOW TO 11S179E. WINDS 20 TO 25 KT WITHIN 320 NM QUADRANT OF
LOW. SCATTERED MODERATE TO ISOLATED STRONG TSTMS WITHIN 130 NM
EITHER SIDE OF A LINE FROM 09S160W TO 08S174W.
.24 HOUR FORECAST LOW NEAR 11S174W 1003 MB. TROUGHS FROM LOW TO
15S164W AND FROM LOW TO 08S175E TO 08S170E. WINDS DIMINISHED TO 20
KT OR LESS.
.48 HOUR FORECAST LOW NEAR 14S172W 1003 MB. TROUGHS FROM LOW TO
16S162W AND FROM LOW TO 10S180W TO 08S175E TO 08S160E.

.WEAK LOW NEAR 12S170E 1005 MB NEARLY STATIONARY. TROUGHS FROM LOW
TO 10S175E...AND FROM LOW TO 10S160E.
.24 HOUR FORECAST LOW DISSIPATED. TROUGH FROM 08S160E TO 08S170E.
.48 HOUR FORECAST SEE TROUGH ABOVE.

.TROUGH FROM 16S166E TO 22S167E NEARLY STATIONARY. ISOLATED TSTMS
WITHIN 200 NM E OF TROUGH.
.24 HOUR FORECAST TROUGH DISSIPATED.

.HIGH 03S170E 1007 MB MOVING W SLOWLY. RIDGES FROM HIGH TO 02S178W
TO 07S160W TO 14S148W...AND FROM HIGH TO 02S160E.
.24 HOUR FORECAST HIGH DISSIPATED.

.SE WINDS 20 TO 25 KT ELSEWHERE IN AREA BOUNDED BY 25S155W TO
17S165W TO 17S170W TO 25S170W.
.24 HOUR FORECAST WINDS 20 TO 25 KT ELSEWHERE IN AREA BOUNDED BY
25S154W 22S160W 17S164W 19S180W 25S180W.
.48 HOUR FORECAST WINDS 20 TO 25 KT ELSEWHERE IN AREA BOUNDED BY
25S154W 16S168W 19S180W 25S180W.

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

.SEAS 9 TO 18 FT IN AREA BOUNDED BY 10S154W 17S150W 23S160W 18S167W
AND 10S154W. SEAS 7 TO 9 FT N OF 10S BETWEEN 160W AND 130W.
.24 HOUR FORECAST SEAS 10 TO 17 FT S OF A LINE...25S150W 18S154W
16S164W 19S170W 25S170W. SEAS 7 TO 10 FT ELSEWHERE S OF 16S BETWEEN
149W AND 175W. SEAS 8 TO 9 FT BETWEEN 10S AND 20S E OF 140W.
.48 HOUR FORECAST SEAS 10 TO 15 FT S OF A LINE...25S150W 20S152W
18S160W 25S160W. SEAS 8 TO 11 FT ELSEWHERE S OF A LINE...25S148W
20S150W 16S165W 16S177W 20S177E 25S177E.

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

.AREAS OF SCATTERED MODERATE TSTMS N OF 10S W OF 170E.

$$
.FORECASTER LAU. HONOLULU HI.









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