000
FZPN03 KNHC 201517
HSFEP2

HIGH SEAS FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 
1630 UTC MON SEP 20 2010

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 MON SEP 20.
24 HOUR FORECAST VALID 1200 UTC TUE SEP 21.
48 HOUR FORECAST VALID 1200 UTC WED SEP 22.

.WARNINGS.

.NONE.
 
.SYNOPSIS AND FORECAST.

.LOW PRES NEAR 20N108W 1002 MB MOVING NW 10 KT. WITHIN 150 NM SE 
SEMICIRCLE WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. FROM 09N TO 15N 
BETWEEN 101W AND 115W SW TO W WINDS 20 TO 25 KT. SEAS 8 TO 10 
FT.
.24 HOUR FORECAST LOW NEAR 22N110W 1003 MB...POSSIBLE TROPICAL 
CYCLONE. WITHIN 120 NM E SEMICIRCLE WINDS 20 TO 25 KT. SEAS TO 9 
FT.
.48 HOUR FORECAST LOW PRES 22N111W 1005 MB POSSIBLE TROPICAL 
CYCLONE. WITHIN 90 NM NW SEMICIRCLE WINDS TO 20 KT. SEAS TO 8 
FT.  

.LOW PRES NEAR 13N124W 1008 MB MOVING NE 5 KT. WITHIN 120 NM SE 
SEMICIRCLE WINDS 20 KT. SEAS 8 TO 9 FT. ELSEWHERE FROM 08N TO 
13N BETWEEN 115W AND 129W SW TO W WINDS 20 TO 25 KT. SEAS 8 T0 
10 FT.
.24 HOUR LOW PRES 14N122W 1007 MB. WITHIN 60 NM NW SEMICIRCLE 
WINDS TO 20 KT. SEAS 8 TO 9 FT. WITHIN 150 NM SE SEMICIRCLE 
WINDS 20 TO 25 KT. SEAS 9 TO 11 FT. ELSEWHERE FROM 09N TO 14N 
BETWEEN 105W AND 126W SW TO W WINDS 20 TO 25 KT. SEAS 8 TO 10 FT 
IN SW SWELL.
.48 HOUR FORECAST LOW PRES 14N117W 1005 MB. WITHIN 120 NM NW 
QUADRANT AND 180 NM S SEMICIRCLE WINDS 20 TO 25 KT. SEAS 9 TO 11 
FT. ELSEWHERE FROM 09N TO 14N BETWEEN 107W AND 120W AND FROM 08N 
TO 13N BETWEEN 100W AND 107W SW TO W WINDS 20 TO 25 KT. SEAS 8 
TO 10 FT.

.N OF 25N BETWEEN 116W AND 121W NW TO N WINDS 20 TO 25 KT. SEAS 
TO 9 FT. FROM 20N TO 25N BETWEEN 115W AND 120W WIND LESS THAN 20 
KT. SEAS TO 8 FT IN NW SWELL.
.24 HOUR FORECAST WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT.

.N OF 27N W OF 135W WINDS LESS THAN 20 KT. SEAS TO 8 FT IN NW 
SWELL.
.12 HOUR FORECAST WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT.

.48 HOUR FORECAST GULF OF CALIFORNIA N OF 28N SE TO S WINDS 20 
KT.  SEAS LESS THAN 8 FT.

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

CONVECTION VALID AS OF 1500 UTC MON SEP 20...

.SCATTERED MODERATE TO ISOLATED STRONG N OF 15N TO THE COAST OF 
MEXICO BETWEEN 92W AND 103W. 

.LOW PRES 20N108W...NUMEROUS MODERATE TO STRONG WITHIN 240 NM W 
SEMICIRCLE.

INTERTROPICAL CONVERGENCE ZONE...MONSOON TROUGH FROM 19N110W TO 
TO LOW PRES 13N124W 1008 MB TO 11N140W. SCATTERED MODERATE TO 
STRONG WITHIN 90 NM EITHER SIDE OF TROUGH FROM 125W TO 133W.

$$
.FORECASTER DGS. TROPICAL PREDICTION CENTER.