FZPS40 PHFO 201710
HSFSP 
HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1730 UTC TUE JAN 20 2009
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS
SECURITE
SOUTH PACIFIC EQUATOR TO 25S BETWEEN 120W AND 160E
SYNOPSIS VALID 1200 UTC JAN 20 2009.
24 HOUR FORECAST VALID 1200 UTC JAN 21 2009.
48 HOUR FORECAST VALID 1200 UTC JAN 22 2009.
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.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.LOW 1008 MB 14S156W MOVING W SLOWLY. TROUGHS FROM LOW TO 10S164W TO 
09S171W...AND FROM LOW TO 19S153W. TROUGH N OF LOW NEARLY 
STATIONARY...AND TROUGH S OF LOW MOVING W SLOWLY. SCATTERED 
MODERATE TO STRONG TSTMS WITHIN 120 NM SE QUADRANT OF LOW. ISOLATED 
MODERATE TSTMS ELSEWHERE WITHIN 150 NM OF LOW AND TROUGHS BETWEEN 
165W AND 154W.
.24 HOUR FORECAST LOW...POSSIBLE DEVELOPING TROPICAL CYCLONE...1007 
MB 14S162W. WINDS 20 TO 30 KT WITHIN 270 NM NE SEMICIRCLE OF LOW.
.48 HOUR FORECAST LOW...POSSIBLE DEVELOPING TROPICAL CYCLONE...1005 
MB 15S164W. WINDS 20 TO 30 KT WITHIN 300 NM NE QUADRANT...AND WITHIN 
120 NM SE QUADRANT OF LOW.
.LOW 1013 MB 22S139W NEARLY STATIONARY. FRONTS FROM LOW TO 21S140W 
TO 20S149W...AND FROM LOW TO 25S132W NEARLY STATIONARY. WINDS 20 TO 
30 KT OVER FORECAST WATERS S OF 20S BETWEEN 135W AND 140W. ISOLATED 
MODERATE TSTMS WITHIN 300 NM N AND NE OF LOW AND FRONTS.
.24 HOUR FORECAST LOW 1011 MB 23S138W. FRONTS FROM LOW TO 25S135W... 
AND FROM LOW TO 21S138W TO 20S146W. WINDS 20 TO 25 KT OVER FORECAST 
WATERS S OF 21S BETWEEN 134W AND 137W.
.48 HOUR FORECAST LOW 1013 MB 23S140W. FRONTS FROM LOW TO 25S137W... 
AND FROM LOW TO 19S140W. WINDS DIMINISHED TO 20 KT OR LESS.
.WEAK TROUGH FROM 25S155W TO 22S158W NEARLY STATIONARY. 
.WEAK TROUGH FROM 20S171E TO 25S178E MOVING SW SLOWLY. ISOLATED 
MODERATE TSTMS WITHIN 180 NM OF TROUGH.
.WEAK TROUGH FROM 16S160E TO 18S167E MOVING SW SLOWLY. ISOLATED 
MODERATE TSTMS WITHIN 60 NM OF TROUGH.
.24 HOUR FORECAST E TO SE WINDS 20 TO 25 KT OVER FORECAST WATERS S 
OF 22S BETWEEN 176E AND 170E.
.48 HOUR FORECAST WINDS DIMINISHED TO 20 KT OR LESS.
.RIDGE FROM 23S120W TO 08S147W TO 06S159W NEARLY STATIONARY. 
.WEAK RIDGE FROM 19S176E TO 11S160E NEARLY STATIONARY.
.OTHERWISE...WINDS 20 KT OR LESS OVER REST OF FORECAST AREA.
.SEAS 8 TO 10 FT IN AREA S OF 02S E OF 159W...AND IN AREA S OF 20S 
BETWEEN 176E AND 169E. 
.24 HOUR FORECAST SEAS 8 TO 13 FT IN AREA FROM 08S TO 18S BETWEEN 
152W AND 164W. SEAS 8 TO 11 FT AREA S OF 20S BETWEEN 176E AND 162E. 
SEAS 8 TO 10 FT IN AREA S OF 20S BETWEEN 131W AND 141W. SEAS 8 TO 9 
FT IN AREA N OF 12S E OF 134W.
.48 HOUR FORECAST SEAS 8 TO 14 FT IN AREA FROM 09S TO 21S BETWEEN 
154W AND 167W. SEAS 8 TO 10 FT IN AREA S OF 20S BETWEEN 180E AND 
167E. 
.OTHERWISE...SEAS 8 FT OR LESS OVER REST OF FORECAST AREA.  
.ISOLATED MODERATE TO STRONG TSTMS IN AREA FROM 10S TO 17S BETWEEN 
170W AND 170E.
$$
.FORECASTER HOUSTON. HONOLULU HI.