000
FZPN03 KNHC 211500
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC SUN AUG 21 2011

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC SUN AUG 21.
24 HOUR FORECAST VALID 1200 UTC MON AUG 22.
48 HOUR FORECAST VALID 1200 UTC TUE AUG 23.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.POST TROPICAL CYCLONE GREG NEAR 20.3N 122.8W 1008 MB AT 1500 
UTC AUG 21 MOVING W OR 275 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 
30 KT GUSTS 40 KT WITHIN 30 NM OF CENTER. SEAS TO 9 FT. 
ELSEWHERE WITHIN 270 NM NW SEMICIRCLE NE WINDS 20 KT. SEAS 8 TO 
TO 10 FT IN NE SWELL. 
.24 HOUR FORECAST POST TROPICAL REMNANT LOW GREG NEAR 20.1N 
125.5W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT NEAR CENTER. 
SEAS TO 9 FT. ELSEWHERE WITHIN 210 NM NW SEMICIRCLE NE WINDS 20 
KT. SEAS 8 TO TO 10 FT IN NE SWELL. 
.48 HOUR FORECAST POST TROPICAL REMNANT LOW GREG NEAR 19.5N 
128.0W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT NEAR CENTER. 
SEAS 8 FT. ELSEWHERE FROM 15N TO 20N BETWEEN 129W AND 134W WINDS 
LESS THAN 20 KT. SEAS 8 FT IN NE SWELL.
.72 HOUR FORECAST...DISSIPATED.

.LOW PRES 1010 MB NEAR 12N106W. FROM 09N TO 13N BETWEEN 103 AND 
107W SW WINDS 20 KT. SEAS TO 9 FT IN SW SWELL. S OF 09N BETWEEN 
100W AND 110W WINDS LESS THAN 20 KT. SEAS 8 FT IN SW SWELL.
.24 HOUR FORECAST LOW PRES 1010 MB NEAR 13N108W. FROM 09N TO 12N 
BETWEEN 104W AND 110W SW WINDS 20 KT. SEAS TO 9 FT IN SE SWELL. 
S OF 05N BETWEEN 98W AND 113W WINDS LESS THAN 20 KT. SEAS TO 9 
FT PRIMARILY IN SE SWELL.
.48 HOUR FORECAST LOW PRES 1010 MB NEAR 13N111W. FROM 09N TO 13N 
BETWEEN 105W AND 111W SW WINDS 20 KT. SEAS TO 9 FT IN SW SWELL. 
S OF 09N BETWEEN 98W AND 116W WINDS LESS THAN 20 KT. SEAS TO 9 
FT IN PRIMARILY SE SWELL.
 
.REMAINDER OF AREA WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT.

CONVECTION VALID AS OF 1500 UTC SUN AUG 21...

.LOW PRES NEAR 12N107W. SCATTERED MODERATE TO ISOLATED STRONG 
WITHIN 210 NM NW QUADRANT.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N84W TO 15N96W TO 19N99W TO 1010 MB LOW 
PRES AT 12N107W TO 10N114W RESUMES FROM 15N122W TO 09N140W. 
SCATTERED MODERATE TO ISOLATED STRONG FROM 10N TO 15N BETWEEN 
92W AND 100W. 

$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.