High Seas Forecast
Issued by NWS

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000
FZPS40 PHFO 201052
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1130 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC DEC 20 2014.
24 HOUR FORECAST VALID 0600 UTC DEC 21 2014.
48 HOUR FORECAST VALID 0600 UTC DEC 22 2014.

.WARNINGS.

...GALE WARNING...
.LOW 14S162W 1005 MB MOVING SE 10 KT. TROUGHS FROM LOW TO 17S156W TO
16S147W AND FROM LOW TO WEAK SECOND LOW 13S169W 1005 MB TO 12S178W.
WINDS 20 TO 30 KT WITHIN 360 NM NE QUADRANT OF LOW...AND WITHIN 300
NM S SEMICIRCLE OF LOW. E TO SE WINDS 20 TO 25 KT ELSEWHERE S OF 15S
BETWEEN 155W AND 178W...AND S OF 19S BETWEEN 145W AND 155W. NUMEROUS
STRONG TSTMS WITHIN 180 NM OF TROUGH AND LOW E OF 163W...AND FROM
06S TO 18S BETWEEN 163W AND 179W.
.24 HOUR FORECAST LOW 17S158W 1003 MB. SECOND LOW DISSIPATED.
TROUGHS FROM LOW TO 20S151W TO 21S145W...AND FROM LOW TO 14S166W TO
13S177W TO 12S178E TO 03S166E. WINDS 20 TO 30 KT WITHIN 210 NM OF
LOW. WINDS 20 TO 25 KT ELSEWHERE S OF A LINE FROM 20S145W TO LOW TO
14S172W TO 15S180W...AND ELSEWHERE WITHIN 90 NM OF A LINE FROM
10S171W TO 13S161W.
.48 HOUR FORECAST LOW 18S153W 999 MB. TROUGHS FROM LOW TO 22S149W TO
23S144W TO 25S137W...AND FROM LOW TO 15S163W TO 14S178W TO 11S175E
TO 06S165E. WINDS 30 TO 40 KT WITHIN 180 NM NE SEMICIRCLE OF LOW.
WINDS 20 TO 30 KT ELSEWHERE S OF A LINE FROM 25S140W TO 21S145W TO
13S156W TO 10S166W TO 15S175W TO 18S175E.

.SYNOPSIS AND FORECAST.

.LOW 10S173E 1005 MB MOVING E SLOWLY. TROUGHS FROM LOW TO 13S178E
AND FROM LOW TO 08S164E TO 08S160E. NUMEROUS STRONG TSTMS WITHIN 360
NM E SEMICIRCLE OF LOW...AND FROM 06S TO 10S W OF 164E.
.24 HOUR FORECAST LOW DISSIPATED. TROUGH DESCRIBED IN PARAGRAPH
ABOVE.

.STATIONARY FRONT FROM 25S136W TO 20S140W TO 18S144W. ISOLATED
MODERATE TSTMS WITHIN 240 NM NE OF FRONT. WINDS 20 TO 25 KT S OF 22S
BETWEEN 133W AND 145W.
.24 HOUR FORECAST DISSIPATING STATIONARY FRONT FROM 25S135W TO
18S140W. ASSOCIATED WINDS DIMINISHED TO 20 KT OR LESS.
.48 HOUR FORECAST FRONT DISSIPATED. REMNANT TROUGH DESCRIBED IN
FIRST PARAGRAPH.

.COLD FRONT FROM 25S166E TO 20S160E MOVING NE 10 KT AND WEAKENING.
.24 HOUR FORECAST TROUGH FROM 25S168E TO 20S164E.
.48 HOUR FORECAST TROUGH FROM 25S167E TO 20S164E.

.RIDGE FROM 25S125W TO 16S138W TO 09S151W TO 05S165W TO 02S178E
NEARLY STATIONARY.

.REMAINDER OF AREA WINDS 20 KT OR LESS.

.SEAS 8 TO 11 FT S OF A LINE FROM 25S150W TO 15S155W TO 10S161W TO
14S170W TO 25S180W.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST SEAS 12 TO 16 FT FROM 15S TO 23S BETWEEN 151W AND
157W. SEAS 8 TO 12 FT ELSEWHERE S OF A LINE FROM 25S140W TO 14S150W
TO 10S161W TO 10S169W TO 25S179W.

.REMAINDER OF AREA SEAS 8 FT OR LESS.

$$

.FORECASTER BIRCHARD. HONOLULU HI.




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