000
FZPN03 KNHC 192102
HSFEP2

HIGH SEAS FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 
2230 UTC SUN SEP 19 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC SUN SEP 19.
24 HOUR FORECAST VALID 1800 UTC MON SEP 20.
48 HOUR FORECAST VALID 1800 UTC TUE SEP 21.

.WARNINGS.

.NONE.
 
.SYNOPSIS AND FORECAST.

.LOW PRES NEAR 17N105W 1007 MB DRIFTING NW. WITHIN 180 NM E 
SEMICIRCLE WINDS 20 TO 30 KT. SEAS 9 TO 11 FT. FROM 09N TO 15N 
BETWEEN 101W AND 110W SW TO W WINDS 20 TO 25 KT. SEAS 9 TO 14 FT 
IN SW SWELL. ELSEWHERE FROM 07N TO 20N BETWEEN 90W AND 110W 
WINDS LESS THAN 20 KT. SEAS TO 9 FT IN SW SWELL.
.24 HOUR FORECAST LOW NEAR 18N106W 1004 MB. WITHIN 150 NM SE 
SEMICIRCLE WINDS 20 TO 25 KT. SEAS 9 TO 11 FT. WITHIN 90 NM NW 
SEMICIRCLE WINDS 20 KT. SEAS 8 FT. 
.48 HOUR FORECAST LOW NEAR 16N105W 1004 MB...POSSIBLE TROPICAL 
CYCLONE. WITHIN 120 NM SE SEMICIRCLE WINDS 20 TO 30 KT. SEAS 9 
TO 13 FT. WITHIN 90 NM NW SEMICIRCLE WINDS 20 TO 25 KT. SEAS TO 
9 FT.

.LOW PRES NEAR 13N124W 1008 MB MOVING NE 5 KT. WITHIN 120 NM OF 
CENTER WINDS TO 20 KT. SEAS 8 FT. FROM 08N TO 12N BETWEEN 110W 
AND 133W SW TO W WINDS 20 KT. SEAS 8 T0 10 FT IN PRIMARILY SW 
SWELL.
.24 HOUR FORECAST TROUGH FROM 14N120W TO 12N129W. FROM 09N TO 
13N E OF TROUGH TO 102W SW TO W WINDS 20 TO 25 KT. SEAS 8 TO 13 
FT IN SW SWELL. ELSEWHERE FROM 08N TO 17N BETWEEN 96W AND 112W 
WINDS LESS THAN 20 KT. SEAS 8 TO 10 FT IN SW SWELL.
.48 HOUR FORECAST TROUGH 14N117W TO 12N122W TO 12N130W. FROM 09N 
TO 15N E OF TROUGH TO 100W SW TO W WINDS 20 TO 25 KT. SEAS 9 TO 
13 FT IN SW SWELL. FROM 09N TO 12N W OF TROUGH TO 132W SW WINDS 
20 KT. SEAS 8 TO 11 FT IN SW SWELL.  

.COLD FRONT FROM 30N129W TO 24N140W. W OF FRONT WINDS LESS THAN 
20 KT. SEAS TO 8 FT IN NW SWELL
.24 HOUR FORECAST FRONT DISSIPATED. N OF 25N W OF 138W WINDS 
LESS THAN 20 KT. SEAS 8 FT IN NW SWELL.
.36 HOUR FORECAST WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT.

.N OF 22N E OF 127W TO THE W COAST OF BAJA CALIFORNIA NW TO N 
WINDS 20 TO 25 KT. SEAS TO 9 FT.
.24 HOUR FORECAST N OF 22N E OF 125W TO THE W COAST OF BAJA 
CALIFORNIA NW TO N WINDS 20 KT. SEAS TO 9 FT IN MIXED N AND SW 
SWELL.
.48 HOUR FORECAST N OF 28N BETWEEN 118W AND 122W NW TO N WINDS TO
20 KT. SEAS TO 8 FT.

.42 HOUR FORECAST GULF OF CALIFORNIA N OF 27N 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 2130 UTC SUN SEP 19...

.SCATTERED MODERATE TO ISOLATED STRONG N OF 14N TO THE COAST OF 
MAINLAND MEXICO BETWEEN 100W AND 105W. 

.LOW PRES 17N105W...SCATTERED MODERATE WITHIN 240 NM W 
SEMICIRCLE. 

.LOW PRES 13N125W...SCATTERED MODERATE WITHIN 120 NM NE QUADRANT.

INTERTROPICAL CONVERGENCE ZONE...MONSOONAL S TO SW FLOW 
DOMINATES THE DEEP TROPICS ACROSS THE AREA...WITH A MONSOONAL 
TROUGH EXTENDING FROM LOW PRES 17N105W 1007 MB TO 13N110W TO LOW 
PRES 13N125W 1008 MB TO 09N140W. SCATTERED MODERATE WITHIN 120 
NM S OF TROUGH BETWEEN 107W AND 120W AS WELL AS WITHIN 90 NM S 
OF TROUGH BETWEEN 130W AND 137W.

$$
.FORECASTER GR. TROPICAL PREDICTION CENTER.