000
FZPN03 KNHC 181536
HSFEP2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC FRI MAY 18 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC FRI MAY 18.
24 HOUR FORECAST VALID 1200 UTC SAT MAY 19.
48 HOUR FORECAST VALID 1200 UTC SUN MAY 20.

.WARNINGS.

.NONE. 

.SYNOPSIS AND FORECAST. 

.TROPICAL DEPRESSION ALETTA NEAR 14.2N 113.6W 1006 MB AT 1500 
UTC MAY 18 MOVING NE OR 045 DEG AT 5 KT. MAXIMUM SUSTAINED WINDS 
30 KT GUSTS 40 KT. WITHIN 120 NM N SEMICIRCLE WINDS 20 TO 30 KT 
SEAS 8 TO 10 FT.
.24 HOUR FORECAST POST-TROPICAL REMNANT LOW ALETTA NEAR 14.4N 
112.6W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT. WITHIN 120 NM 
NW SEMICIRCLE WINDS 20 TO 25 KT. SEAS TO 9 FT.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW ALETTA NEAR 13.1N 
112.1W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT. WITHIN 90 NM 
NW SEMICIRCLE WINDS 20 KT. SEAS 8 FT.
.72 HOUR FORECAST POST-TROPICAL REMNANT LOW ALETTA NEAR 11.5N 
112.0W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT. WITHIN 30 NM 
NW SEMICIRCLE WINDS 20 KT. SEAS TO 8 FT.

.WITHIN 30 NM OF LINE 16N95W TO 14N95W...INCLUDING GULF OF 
TEHUANTEPEC NE TO E WINDS 20 TO 25 KT. SEAS TO 9 FT. 
.12 HOUR FORECAST WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT.

.LOW PRES NEAR 12N101W 1007 MB. WITHIN 120 NM N SEMICIRCLE WINDS 
20 KT. SEAS 8 FT.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE NEAR 
12N101W 1006 MB. WITHIN 150 NM OF SW SEMICIRCLE WINDS 20 KT. 
SEAS TO 8 FT.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE NEAR 
12N102W 1006 MB. WITHIN 180 NM S SEMICIRCLE WINDS 20 KT. SEAS 8 
FT.

.N OF 25N BETWEEN 119W AND 125W N WINDS 20 KT. SEAS TO 8 FT.
.24 HOUR FORECAST N OF 28N BETWEEN 116W AND 123W NW TO N WINDS 
20 KT. SEAS 8 FT.
.48 HOUR FORECAST N OF 28N BETWEEN 120W AND 125W N WINDS 20 KT. 
SEAS 8 FT.

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

CONVECTION VALID AT 1500 UTC FRI MAY 18...
.SCATTERED MODERATE WITHIN 90 NM NE QUADRANT OF TROPICAL 
DEPRESSION ALETTA.

.SCATTERED MODERATE TO STRONG WITHIN 180 NM NE QUADRANT OF LOW 
PRES NEAR 12N101W.

.NUMEROUS MODERATE TO STRONG FROM 04N TO 08N E OF 87W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 08N82W TO 1007 MB LOW PRES NEAR 12N101W TO 
14N110W. ITCZ FROM 08N119W TO 05N130W TO 06N140W. SCATTERED 
MODERATE TO STRONG FROM 03N TO 10N BETWEEN 92W AND 110W.

$$
.FORECASTER DGS. NATIONAL HURRICANE CENTER.