000
FZPN03 KNHC 180301
HSFEP2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL
0405 UTC SUN SEP 18 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SUN SEP 18.
24 HOUR FORECAST VALID 0000 UTC MON SEP 19.
48 HOUR FORECAST VALID 0000 UTC TUE SEP 20.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST

.N OF 14N BETWEEN 94W AND 96W INCLUDING THE GULF OF TEHUANTEPEC 
GULF OF TEHUANTEPEC N WINDS 20 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST N OF 13N BETWEEN 94.5W AND 97W INCLUDING THE 
GULF OF TEHUANTEPEC N TO NE WINDS 20 TO 25 KT. SEAS TO 9 FT.
.48 HOUR FORECAST LITTLE CHANGE.

.MONSOON TROUGH AXIS 18N110W TO 11N125W TO LOW PRES 1010 MB AT 
11N134W TO 10N140W. WITHIN 240 NM N OF TROUGH AXIS W OF 128W NE 
WINDS 20 KT. SEAS 8 FT. FROM 06N TO TROUGH AXIS W OF 107W S TO 
SW WINDS 20 KT. SEAS TO 9 FT.
.24 HOUR FORECAST MONSOON TROUGH AXIS 19N115W TO 10N125W TO 
10N140W. WITHIN 180 NM N OF TROUGH AXIS W OF 135W NE WINDS 20 
KT. SEAS 8 FT. FROM 07N TO 15N SE OF TROUGH AXIS BETWEEN 107W 
AND 125W S TO SW WINDS 20 TO 25 KT. SEAS TO 11 FT IN S SWELL.
.48 HOUR FORECAST MONSOON TROUGH AXIS 16N118W TO 11N126W TO 
11N140W. WITHIN 120 NM N OF TROUGH AXIS W OF 135W NE WINDS 20 
KT. SEAS 8 FT. WITHIN 480 NM SE OF TROUGH AXIS BETWEEN 112W AND 
122W.

.TROUGH E OF AREA FROM 12N TO 19N ALONG 88W. WINDS LESS THAN 20 
KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST NEW LOW PRES NEAR 11N93W 1009 MB. WITHIN 120 
NM NE SEMICIRCLE NE WINDS 20 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LOW PRES NEAR 11N95W 1009 MB. WITHIN 150 NM NE 
SEMICIRCLE NE WINDS 20 KT. SEAS TO 8 FT. FROM 04N TO 08N BETWEEN 
88W AND 108W SW WINDS 20 KT. SEAS TO 9 FT IN SW SWELL.

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

CONVECTION VALID AT 0300 UTC SUN SEP 18...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS 09N84W TO 15N95W...SECOND SEGMENT 20N110W TO 
12N129W TO LOW PRES 11N134W TO BEYOND 10N140W. SCATTERED 
MODERATE ISOLATED STRONG WITHIN 120 NM LINE 05N78W TO 12N97W TO 
07N105W...AND WITHIN 120 NM LINE 22N108W TO 11N120W TO 10N140W.

$$
.FORECASTER NELSON. NATIONAL HURRICANE CENTER.