000
FZPN03 KNHC 172115
HSFEP2

HIGH SEAS FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC SUN MAY 17 2009

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

SECURITE

E PACIFIC FROM THE EQUATOR TO 30N E OF 140W

SYNOPSIS VALID 1800 UTC SUN MAY 17.
24 HOUR FORECAST VALID 1800 UTC MON MAY 18.
48 HOUR FORECAST VALID 1800 UTC TUE MAY 19.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.GULF OF TEHUANTEPEC N WINDS TO 20 KT. SEAS LESS THAN 8 FT.
.12 HOUR FORECAST WITHIN 60 NM EITHER SIDE OF LINE FROM 16N94.5W 
TO 13N97W N TO NE WINDS 20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST WITHIN 90 NM EITHER SIDE OF LINE FROM 16N94.5W 
TO 12N97W N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.
.48 HOUR FORECAST WITHIN 120 NM EITHER SIDE OF LINE FROM 
16N94.5W TO 13N97W TO 11N100W N TO NE WINDS 20 TO 30 KT. SEAS 8 
TO 12 FT.

.TROUGH 15N113W TO LOW PRES 11N116W 1009 MB TROUGH TO 07N117W.
N OF 16N WITHIN 150 NM W OF TROUGH NE WINDS 20 KT. SEAS LESS 
THAN 8 FT. S OF 15N WITHIN 150 NM E OF TROUGH SW WINDS 20 KT. 
SEAS TO 8 FT.  
.24 HOUR FORECAST LOW PRES 11N116W 1009 MB. WITHIN 180 NM OF LOW 
WINDS TO 20 KT. SEAS TO 8 FT. 
.48 HOUR FORECAST TROUGH 15N113W TO 09N122W. WITHIN 240 NM SE OF 
TROUGH S TO SW WINDS TO 20 KT. SEAS TO 8 FT.    

.TROUGH 30N123W TO 23N124W. N OF 27N WITHIN 420 NM W OF TROUGH N 
TO NE WINDS TO 20 KT. SEAS TO 9 FT IN N SWELL.
.24 HOUR FORECAST TROUGH 30N125W TO 22N130W. N OF 26N WITHIN 420 
NM W OF TROUGH NE WINDS TO 20 KT. SEAS TO 8 FT.
.48 HOUR FORECAST TROUGH 30N125W TO 21N130W. WITHIN 360 NM W OF 
LINE 30N131W TO 25N137W NE WINDS 20 KT. SEAS TO 8 FT.

.FROM 10N TO 17N W OF 135W NE WINDS TO 20 KT. SEAS 8 FT.
.12 HOUR FORECAST WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT. 

.18 HOUR FORECAST FROM 23N TO 27N E OF 115W NW WINDS TO 20 KT. 
SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT. 

.REMAINDER OF AREA WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT.

.CONVECTION VALID 2100 UTC SUN MAY 17...

INTERTROPICAL CONVERGENCE ZONE...AXIS 09N79W TO 09N103W TO LOW 
PRES 11N116W TO 07N121W TO 08N140W. SCATTERED MODERATE ISOLATED 
STRONG WITHIN 60 NM EITHER SIDE OF LINE 07N83W TO 04N86W... 
WITHIN AREA BOUNDED 06N TO 15N BETWEEN 93W AND 104W...AND WITHIN 
240 NM EITHER SIDE OF LINE 15N110W TO 07N121W.

$$
.FORECASTER NELSON. TROPICAL PREDICTION CENTER.