000
FZPN03 KNHC 180910
HSFEP2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC FRI MAY 18.
24 HOUR FORECAST VALID 0600 UTC SAT MAY 19.
48 HOUR FORECAST VALID 0600 UTC SUN MAY 20.

.WARNINGS.

.NONE. 

.SYNOPSIS AND FORECAST. 

.TROPICAL DEPRESSION ALETTA NEAR 13.8N 113.8W 1005 MB AT 0900 
UTC MAY 18 MOVING NE OR 045 DEG AT 3 KT. MAXIMUM SUSTAINED WINDS 
30 KT GUSTS 40 KT. WITHIN 120 NM NW SEMICIRCLE WINDS 20 TO 30 
KT. SEAS TO 10 FT.
.24 HOUR FORECAST POST TROPICAL REMNANT LOW ALETTA NEAR 14.0N 
113.0W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. WITHIN 120 NM 
NW SEMICIRCLE WINDS 20 TO 25 KT. SEAS TO 9 FT.
.48 HOUR FORECAST POST TROPICAL REMNANT LOW ALETTA NEAR 13.5N 
112.0W. 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 12.5N 
111.5W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT. WITHIN 30 NM 
NW SEMICIRCLE WINDS 20 KT. SEAS TO 8 FT.
.96 HOUR FORECAST...DISSIPATED.

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

.LOW PRES NEAR 12N100W 1008 MB. WITHIN 120 NM NW SEMICIRCLE 
WINDS 20 KT. SEAS LESS THAN 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 
10N100W 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 LESS THAN 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 118W AND 123W WINDS LESS THAN 
20 KT. SEAS 8 FT IN N SWELL.

.FROM 08N TO 12N W OF 134W NE WINDS 20 KT. SEAS LESS THAN 8 FT.
.12 HOUR FORECAST WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT.

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

CONVECTION VALID AT 0715 UTC FRI MAY 18...
.SCATTERED MODERATE WITHIN 75 NM OF TROPICAL DEPRESSION ALETTA 
EXCEPT WITHIN 150 NM N QUADRANT. SCATTERED MODERATE TO STRONG 
ELSEWHERE FROM 09N TO 15N BETWEEN 110W AND 113W.

.NUMEROUS MODERATE TO STRONG WITHIN 210 NM NW SEMICIRCLE OF LOW 
PRES NEAR 12N100W.

.NUMEROUS MODERATE TO STRONG WITHIN 120 NM OF THE COAST FROM 10N 
TO 14N AND ISOLATED MODERATE TO STRONG WITHIN 75 NM OF THE COAST 
FROM 07N TO 10N. 

.SCATTERED MODERATE TO STRONG E OF 82W TO THE COAST FROM 01N TO 
05N.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS FROM 08N78W TO 08N86W TO 13N95W TO 1008 MB 
LOW PRES NEAR 12N100W TO 14N110W. ITCZ AXIS FROM 08N118W TO 
05N125W TO 07N140W. ISOLATED MODERATE TO STRONG WITHIN 45 NM 
EITHER SIDE OF AXIS E OF 84W.

$$
.FORECASTER SCHAUER. NATIONAL HURRICANE CENTER.