000
FZPN03 KNHC 212135
HSFEP2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC SAT APR 21.
24 HOUR FORECAST VALID 1800 UTC SUN APR 22.
48 HOUR FORECAST VALID 1800 UTC MON APR 23.

.WARNINGS.

...GALE WARNING...
.12 HOUR FORECAST WITHIN 45 NM EITHER SIDE OF LINE 16N95W TO 
14N95W INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 
35 KT. SEAS 9 TO 11 FT.
.24 HOUR FORECAST WINDS BELOW GALE FORCE
.36 HOUR FORECAST WITHIN 60 NM EITHER SIDE OF LINE 16N95W TO 
14N95W TO 13N96W N TO NE WINDS 30 TO 40 KT. SEAS 10 TO 14 FT. 
.48 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF LINE 16N95W TO 
15N95W TO 14N96W N TO NE WINDS 30 TO 35 KT. SEAS 10 TO 13 FT.

.SYNOPSIS AND FORECAST. 

.06 HOUR FORECAST N OF 15N BETWEEN 94W AND 96W N WINDS 20 TO 25 
KT. SEAS LESS THAN 8 FT.
.12 HOUR FORECAST EXCEPT AS NOTED IN WARNINGS...WITHIN 60 NM 
EITHER SIDE OF LINE 16N95W TO 13N95W INCLUDING GULF OF 
TEHUANTEPEC N WINDS 20 TO 30 KT. SEAS TO 9 FT. 
.24 HOUR FORECAST WITHIN 60 NM EITHER SIDE OF LINE 16N95W TO 
12N97W INCLUDING GULF OF TEHUANTEPEC N TO NE WINDS 20 TO 30 KT. 
SEAS 8 TO 11 FT.
.36 HOUR FORECAST EXCEPT AS NOTED IN WARNING...WITHIN 90 NM 
EITHER SIDE OF LINE 16N95W TO 14N95W TO 12N97W INCLUDING GULF OF 
TEHUANTEPEC N TO NE WINDS N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 
10 FT. ELSEWHERE FROM 10N TO 12N BETWEEN 95W AND 99W WINDS LESS 
THAN 20 KT. SEAS TO 9 FT IN NE SWELL.
.48 HOUR FORECAST EXCEPT AS NOTED IN WARNING...WITHIN 90W NM 
EITHER SIDE OF LINE 16N95W TO 15N95W TO 10N100W INCLUDING GULF 
OF TEHUANTEPEC N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 13 FT IN NE 
SWELL.

.24 HOUR FORECAST COLD FRONT 30N134W TO 24N140W. NW OF FRONT NW 
WINDS 20 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST COLD FRONT 30N128W TO 24N135W. NW OF FRONT NW 
WINDS 20 KT. SEAS 8 TO 10 FT IN NW SWELL.

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

CONVECTION VALID AT 2100 UTC SAT APR 21...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 07N81W TO 05N85W TO 07N105W. ITCZ IS FROM 
07N105W TO 08N120W...THEN FROM 05N128W TO 04N135W. SCATTERED 
MODERATE TO ISOLATED STRONG CONVECTION WITHIN 60 NM S OF AXIS 
FROM 82W TO 90W. SCATTERED MODERATE CONVECTION FROM 08N TO 10N 
BETWEEN 108W AND 116W.

$$
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.