000
FZPN03 KNHC 110907
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC SAT AUG 11 2012

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC SAT AUG 11.
24 HOUR FORECAST VALID 0600 UTC SUN AUG 12.
48 HOUR FORECAST VALID 0600 UTC MON AUG 13.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM GILMA NEAR 20.0N 119.9W 1002 MB AT 0900 UTC AUG 11 
MOVING N NW OR 335 DEG AT 5 KT. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 
50 KT. TROPICAL STORM FORCE WINDS WITHIN 70 NM NE QUADRANT...60 NM 
SE QUADRANT...50 NM SW QUADRANT...AND 40 NM NW QUADRANT.  SEAS 12 FT 
OR GREATER WITHIN 90 NM OF CENTER EXCEPT 60 NM SW QUADRANT WITH SEAS 
TO 16 FT.
.24 HOUR FORECAST POST-TROPICAL REMNANT LOW GILMA NEAR 21.2N 120.4W. 
MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT WITHIN 30 NM OF CENTER. 
SEAS TO 12 FT NEAR CENTER.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW GILMA NEAR 21.8N 122.2W. 
MAXIMUM SUSTAINED WINDS 20 TO 25 KT. SEAS 8 TO 11 FT. 
.72 HOUR FORECAST...DISSIPATED.
 
FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE USED 
WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE AND 
INTENSITY.

.SYNOPSIS AND FORECAST.

.EXCEPT AS NOTED IN GILMA WARNING...WITHIN 120 NM SE AND 90 NM NW 
SEMICIRCLES OF CENTER WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. ELSEWHERE 
WITHIN 300 NM SE AND 120 NM NW SEMICIRCLES OF CENTER WINDS 20 KT OR 
LESS. SEAS TO 9 FT PRIMARILY IN MIXED SWELL.
.24 HOUR FORECAST EXCEPT AS NOTED IN GILMA WARNING...WITHIN 60 NM OF 
CENTER WINDS 20 TO 25 KT. SEAS 8 TO 11 FT.  
.48 HOUR FORECAST LITTLE CHANGE.

.LOW PRES NEAR 16.5N104W 1001 MB...POSSIBLE TROPICAL CYCLONE 
FORMATION. WITHIN 180 NM NE AND 30 NM SW SEMICIRCLES OF CENTER WINDS 
20 TO 25 KT. SEAS TO 9 FT. 
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 17N107W
1000 MB. WITHIN 150 NM OF CENTER WINDS 20 TO 30 KT. SEAS TO 10 FT.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
16.5N109.5W 999 MB. WITHIN 180 NM OF CENTER WINDS 20 TO 30 KT. SEAS 
8 TO 12 FT.

.WITHIN 120 NM OF LINE 07N114W TO 10N97W WINDS 20 KT OR LESS. SEAS 8 
TO 10 FT PRIMARILY IN SW SWELL.
.24 HOUR FORECAST FROM 09N TO 14N BETWEEN 97W AND 107W WINDS 20 KT 
OR LESS. SEAS TO 8 FT IN SW SWELL.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.N OF 26N BETWEEN 120W AND 135W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT 
PRIMARILY IN MIXED N SWELL.
.24 HOUR FORECAST N OF 25N BETWEEN 123W AND 133W WINDS 20 KT OR LESS.
SEAS 8 FT PRIMARILY IN MIXED N SWELL.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.24 HOUR FORECAST LOW PRES 12N135W 1009 MB. WITHIN 180 NM SE 
SEMICIRCLE OF CENTER SW WINDS 20 TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LOW PRES 13N134W 1010 MB. WITHIN 150 NM SE 
SEMICIRCLE OF CENTER SW WINDS 20 TO 25 KT. SEAS TO 8 FT. 

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

CONVECTION VALID AT 0900 UTC SAT AUG 11...

.TROPICAL STORM GILMA...SCATTERED MODERATE NW OF CENTER WITHIN 30 NM 
OF 21.5N121W.

.LOW PRES 16.5N104W...NUMEROUS STRONG WITHIN 90 NM OF 17.5N106.5W. 
SCATTERED MODERATE ISOLATED STRONG ELSEWHERE N OF 12N BETWEEN 100W 
AND 108W.
 
.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH 13N87W TO LOW PRES 16.5N104W TO 11N110W TO 13N121W TO 
BEYOND 08N140W. SCATTERED STRONG FROM O4N TO 08N E OF 79W. SCATTERED 
MODERATE ISOLATED STRONG N OF 05N BETWEEN 86W AND 101W...WITHIN 90 
NM OF LINE 11N103W TO 08N120W...AND WITHIN 60 NM OF LINE 12N123W TO 
08N140W.

$$
.FORECASTER NELSON. NATIONAL HURRICANE CENTER.