000
FZPN03 KNHC 210240
HSFEP2

HIGH SEAS FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 
0430 UTC TUE SEP 21 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC TUE SEP 21.
24 HOUR FORECAST VALID 0000 UTC WED SEP 22.
48 HOUR FORECAST VALID 0000 UTC THU SEP 23.

.WARNINGS.
...GALE WARNING...
.LOW PRES NEAR 21N109W 1001 MB MOVING NW 9 KT. WITHIN 90 NM OF 
LOW CENTER WINDS 25 TO 35 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
23N110W 1003 MB. WITHIN 60 NM OF LOW CENTER WINDS 25 TO 35 KT. 
SEAS 8 TO 10 FT.
.48 HOUR FORECAST WINDS BELOW GALE FORCE. 
 
.SYNOPSIS AND FORECAST.
.EXCEPT AS NOTED IN WARNINGS SECTION...WITHIN 180 NM E 
SEMICIRCLE WINDS 20 TO 25 KT. SEAS TO 9 FT.
.24 HOUR FORECAST...EXCEPT AS NOTED IN WARNINGS SECTION... 
WITHIN 120 NM E SEMICIRCLE WINDS 20 TO 25 KT. SEAS TO 9 FT.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE... 
25N112W 1005 MB. OVER FORECAST WATERS WITHIN 60 NM OF LOW CENTER 
WINDS 20 TO 30 KT. SEAS TO 9 FT.  

.LOW PRES NEAR 13N123W 1007 MB MOVING NE 5 KT. TROUGH FROM LOW 
CENTER TO 12N134W. WITHIN 60 NM OF LOW CENTER WINDS 20 TO 25 KT. 
SEAS 8 TO 12 FT IN SW SWELL. ELSEWHERE FROM 09N TO 13N BETWEEN 
103W AND 123W...AND FROM 09N TO 11N BETWEEN 123W AND 134W SW TO 
W WINDS 20 TO 25 KT. SEAS 8 T0 11 FT. REMAINDER OF AREA FROM 08N 
TO 18N BETWEEN 96W AND 112W WINDS LESS THAN 20 KT. SEAS 8 FT IN 
SW SWELL.
.24 HOUR FORECAST LOW PRES 14N118W 1006 MB. TROUGH FROM LOW 
CENTER TO 12N132W. WITHIN 60 NM OF LOW CENTER WINDS 20 TO 25 KT. 
SEAS 8 TO 12 FT IN SW SWELL. ELSEWHERE FROM 10N TO 14N BETWEEN 
100W AND 120W...AND FROM 10N TO 13N BETWEEN 120W AND 132W SW TO 
W WINDS 20 TO 25 KT. SEAS 8 TO 12 FT IN SW SWELL. REMAINDER OF 
AREA FROM 08N TO 16N BETWEEN 98W AND 120W WINDS LESS THAN 20 KT. 
SEAS 8 FT IN SW SWELL.
.48 HOUR FORECAST LOW PRES 14N112W 1005 MB. TROUGH FROM LOW 
CENTER TO 12N130W. WITHIN 60 NM OF LOW CENTER WINDS 20 TO 25 KT. 
SEAS 8 TO 12 FT IN SW SWELL. ELSEWHERE FROM 10N TO 14N BETWEEN 
100W AND 120W...AND FROM 10N TO 13N BETWEEN 120W AND 130W SW TO 
W WINDS 20 TO 25 KT. SEAS 8 TO 12 FT IN SW SWELL. FROM 06N TO 
11N BETWEEN 91W AND 100W SW WINDS 20 KT. SEAS TO 9 FT IN SW 
SWELL.

.N OF 25N BETWEEN 116W AND 122W NW WINDS 20 TO 25 KT. SEAS TO 9 
FT. FROM 20N TO 25N BETWEEN 114W AND 121W WINDS LESS THAN 20 KT. 
SEAS TO 8 FT IN NW SWELL.
.24 HOUR FORECAST N OF 23N BETWEEN 114W AND 120W NW WINDS TO 20 
KT. SEAS TO 8 FT. 
.48 HOUR FORECAST N OF 27N E OF 120W NW WINDS 20 KT. SEAS 8 FT. 

.24 HOUR FORECAST FROM 14N TO 20N W OF 130W WINDS LESS THAN 20 
KT. SEAS TO 8 FT IN PRIMARILY NW SWELL.
.48 HOUR FORECAST FROM 14N TO 17N W OF 135W WINDS LESS THAN 20 
KT. SEAS TO 8 FT IN NW SWELL.

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

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

CONVECTION VALID AS OF 0300 UTC MON SEP 21...

.SCATTERED MODERATE N OF 07N BETWEEN 82W AND 85W. SIMILAR 
CONVECTION IS NEAR 13N94.5W...AND NEAR 13N106W.  

.LOW PRES 21N109W...SCATTERED MODERATE TO ISOLATED STRONG WITHIN 
30 NM E SEMICIRCLE.

INTERTROPICAL CONVERGENCE ZONE...MONSOON TROUGH FROM 18N111W TO 
TO LOW PRES 13N123W 1007 MB TO 11N140W. SCATTERED MODERATE WITHIN
40 NM EITHER SIDE OF TROUGH AXIS W OF 132W.

$$
.FORECASTER GR. TROPICAL PREDICTION CENTER.