000
FZPN03 KNHC 210931
HSFEP2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC SAT APR 21 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 APR 21.
24 HOUR FORECAST VALID 0600 UTC SUN APR 22.
48 HOUR FORECAST VALID 0600 UTC MON APR 23.

.WARNINGS.

...GALE WARNING...
.24 HOUR FORECAST WITHIN 45 NM EITHER SIDE OF LINE 16N95W TO 
13N95W INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 
35 KT. SEAS 8 TO 11 FT.
.36 HOUR FORECAST WINDS BELOW GALE FORCE.
.48 HOUR FORECAST WITHIN 60 NM EITHER SIDE OF LINE 16N95W TO 
14N95W TO 13N96W N TO NE WINDS 30 TO 35 KT. SEAS 10 TO 12 FT. 

.SYNOPSIS AND FORECAST. 

.FROM 05N TO 10N W OF 135W NE WINDS 20 KT. SEAS 8 TO 10 FT IN NE 
SWELL.  
.24 HOUR FORECAST WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT.

.18 HOUR FORECAST GULF OF TEHUANTEPEC N OF 15N BETWEEN 94W AND 
96W N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST EXCEPT AS NOTED IN WARNING...WITHIN 60 NM 
EITHER SIDE OF LINE 16N95W TO 14N95W TO 13N96W N TO NE WINDS 20 
TO 30 KT. SEAS TO 9 FT.
.36 HOUR FORECAST WITHIN 90 NM EITHER SIDE OF LINE 16N95W TO 
14N95W TO 11N97W N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST EXCEPT AS NOTED IN WARNING...WITHIN 90 NM 
EITHER SIDE OF LINE 16N95W TO 14N95W TO 12N97W N TO NE WINDS 20 
TO 30 KT. SEAS 9 TO 11 FT. ELSEWHERE FROM 09N TO 12N BETWEEN 
94W AND 98W WINDS LESS THAN 20 KT. SEAS TO 9 FT IN NE SWELL.

.24 HOUR FORECAST COLD FRONT 31N136W TO 27N140W. NW OF FRONT NW 
WINDS 20 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST COLD FRONT 31N131W TO 20N140W. NW OF FRONT NW 
WINDS LESS THAN 20 KT. SEAS 8 FT IN NW SWELL.

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

CONVECTION VALID AT 0900 UTC SAT APR 21...

.SCATTERED MODERATE ISOLATED STRONG CONVECTION FROM 03N TO 06N 
BETWEEN 82W AND 89W. SCATTERED MODERATE CONVECTION 09N TO 11N 
BETWEEN 100W AND 105W. SCATTERED MODERATE ISOLATED STRONG 
CONVECTION FROM 08N TO 11N BETWEEN 115W AND 120W.  

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N84W TO 07N105W. ITCZ IS FROM 05N107W TO 
05N115W AND FROM 07N122W TO 05N130W. 

$$
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.