000
FZPN03 KNHC 200346
HSFEP2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC SAT AUG 20 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC SAT AUG 20.
24 HOUR FORECAST VALID 0000 UTC SUN AUG 21.
48 HOUR FORECAST VALID 0000 UTC MON AUG 22.

.WARNINGS.
...TROPICAL STORM WARNING...
.TROPICAL STORM GREG AT 19.7N 118.1W 996 MB AT 0300 UTC AUG 20 
MOVING W OR 275 DEG AT 10 KT.  MAXIMUM SUSTAINED WIND 45 GUSTS 
55 KT.  TROPICAL STORM FORCE WIND WITHIN 70 NM N SEMICIRCLE... 
60 NM SE QUADRANT AND 45 NM SW QUADRANT.  SEAS 12 FT OR GREATER 
WITHIN 130 NM N SEMICIRCLE...30 NM SE QUADRANT AND 100 NM SW 
QUADRANT WITH SEAS TO 17 FT.
.24 HOUR FORECAST  POST TROPICAL REMNANT LOW GREG NEAR 19.8N 
121.3W.  MAXIMUM SUSTAINED WIND 30 GUSTS 40 KT.
.48 HOUR FORECAST  POST TROPICAL REMNANT LOW GREG NEAR 19.5N 
124.5W.  MAXIMUM SUSTAINED WIND 25 GUSTS 35 KT. 
.72 HOUR FORECAST  POST TROPICAL REMNANT LOW GREG NEAR 18.5N 
127.0W.  MAXIMUM SUSTAINED WIND 20 GUSTS 30 KT.

.SYNOPSIS AND FORECAST.

.EXCEPT AS NOTED IN GREG WARNING...WITHIN 150 NM NE AND 75 NM SW 
SEMICIRCLES  WINDS TO 33 KT.  SEAS 8 TO 12 FT. 
.24 HOUR FORECAST  EXCEPT AS NOTED IN GREG WARNING...WITHIN 180 
NM N AND 90 NM S SEMICIRCLES  WINDS TO 33 KT. SEAS 8 TO 12 FT. 
.48 HOUR FORECAST  EXCEPT AS NOTED IN GREG WARNING...WITHIN 150 
NM N AND 90 NM S SEMICIRCLES  WINDS 20 TO 25 KT. SEAS TO 11 FT. 

.WITHIN 240 NM SE OF LINE FROM 12N123W TO 17N117W  SW WINDS 20 
TO 25 KT.  SEAS 8 TO 11 FT.
.24 HOUR FORECAST  WITHIN 120 NM SE OF LINE FROM 11N124W TO 
15N120W  SW WINDS 20 KT.  SEAS 8 TO 9 FT.
.48 HOUR FORECAST  WINDS LESS THAN 20 KT.  SEAS LESS THAN 8 FT.

.S OF 08N FROM 98W TO 128W  WINDS LESS THAN 20 KT.  SEAS 8 FT IN 
S SWELL.
.24 HOUR FORECAST  ELSEWHERE S OF 08N FROM 100W TO 120W  WINDS 
LESS THAN 20 KT.  SEAS 8 FT IN S SWELL.
.48 HOUR FORECAST  S OF 04N FROM 100W TO 113W  WINDS LESS THAN 
20 KT.  SEAS TO 8 FT IN S SWELL.
 
.REMAINDER OF AREA  WINDS LESS THAN 20 KT.  SEAS LESS THAN 8 FT.

CONVECTION VALID AS OF 0300 UTC SAT AUG 20...
.TROPICAL STORM GREG...SCATTERED MODERATE TO WITHIN 45 NM OF 
CENTER.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...FROM 11N86W TO 
1010 MB LOW PRES AT 11N103W THEN FROM 16N120W TO 11N134W TO 
11N140W.  SCATTERED MODERATE WITHIN 150 NM SW OF AXIS FROM 120W 
TO 127W AND FROM 06N TO 10N BETWEEN 83W AND 89W.

$$
.FORECASTER WALLY BARNES.  NATIONAL HURRICANE CENTER.