000
FZPN03 KNHC 201522
HSFEP2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC SUN MAY 20 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SUN MAY 20.
24 HOUR FORECAST VALID 1200 UTC MON MAY 21.
48 HOUR FORECAST VALID 1200 UTC TUE MAY 22.

.WARNINGS.

.NONE. 

.SYNOPSIS AND FORECAST. 

.LOW PRES REORGANIZING NEAR 09.5N98.5W 1006 MB NEARLY 
STATIONARY. WITHIN 240 NM SE QUADRANT OF LOW S TO SW WINDS 20 
KT. SEAS TO 9 FT IN SW SWELL. ELSEWHERE FROM 05N TO 10N BETWEEN 
92W AND 100W WINDS LESS THAN 20 KT. SEAS TO 8 FT IN SW SWELL.
.24 HOUR FORECAST LOW PRES NEAR 09.5N99.5W 1004 MB. WITHIN 240 
NM SE SEMICIRCLE OF LOW S TO SW WINDS 20 TO 25 KT. SEAS TO 9 FT. 
WITHIN 90 NM ELSEWHERE OF LOW WINDS 20 KT. SEAS TO 8 FT. 
ELSEWHERE FROM 05N TO 09N BETWEEN 94W AND 100W SW WINDS 20 KT. 
SEAS TO 8 FT IN SW SWELL.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
10N101W 1004 MB. WITHIN 270 NM SE SEMICIRCLE AND 150 NM NW 
SEMICIRCLE WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.

.WITHIN 30 NM EITHER SIDE OF LINE 16N95W TO 14N95W...INCLUDING 
GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT. SEAS LESS THAN 
8 FT.
.24 HOUR FORECAST WITHIN 45 NM EITHER SIDE OF LINE 16N95W TO 
14N96W TO 13N97W...INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 
20 TO 30 KT. SEAS 8 TO 10 FT. ELSEWHERE FROM 13N TO 14.5N 
BETWEEN 97W AND 101W NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST WITHIN 45 NM EITHER SIDE OF LINE 16N95W TO 
14N96W TO 13N97W...INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 
20 TO 30 KT. SEAS 8 TO 11 FT. ELSEWHERE FROM 13N TO 15N BETWEEN 
97W AND 104W NE TO E WINDS 20 TO 25 KT. SEAS TO 10 FT.

.N OF 29N BETWEEN 120W AND 125W NW TO N WINDS 20 KT. SEAS TO 8 
FT.
.24 HOUR FORECAST N OF 28N BETWEEN 120W AND 125W NW TO N WINDS 
20 KT. SEAS TO 8 FT.
.48 HOUR FORECAST WITHIN 270 NM EITHER SIDE OF LINE FROM 30N123W 
TO 26N127W TO 21N140W N TO NE WINDS 20 TO 25 KT EXCEPT NW TO N 
WINDS N OF 28N. SEAS LESS THAN 8 FT EXCEPT 8 TO 9 FT N OF 27N E 
OF 125W.

.FROM 03N TO 07N BETWEEN 83W AND 87W S TO SW WINDS 20 KT. SEAS 
TO 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 1430 UTC SUN MAY 20...

.SCATTERED MODERATE ISOLATED STRONG NOTED WITHIN 90 NM W 
SEMICIRCLE OF LOW PRES NEAR 09.5N98.5W...AND SCATTERED MODERATE 
ISOLATED STRONG BETWEEN 90 NM AND 300 NM SW QUADRANT.

.SCATTERED LOCALLY NUMEROUS MODERATE ISOLATED STRONG FROM 02.5N 
TO 08N BETWEEN 84W AND 95W.

.SCATTERED TO LOCALLY NUMEROUS MODERATE TO STRONG N OF 12.5N TO 
COAST BETWEEN 92W AND 95W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM 10N84W TO 12N93W TO LOW PRES 
NEAR 09.5N98.5W 1006 MB TO 07N120W...THEN TRANSITIONS TO ITCZ 
AXIS...CONTINUING ON TO 06N126W TO BEYOND 04N140W. SCATTERED 
MODERATE ISOLATED STRONG CONVECTION WITHIN 150 NM N OF TROUGH 
AXIS E OF 88W.  

$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.