000
FZNT02 KNHC 200248
HSFAT2

HIGH SEAS FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 
0430 UTC TUE APR 20 2010

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

ATLANTIC BETWEEN 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND 
GULF OF MEXICO

SYNOPSIS VALID 0000 UTC TUE APR 20.
24 HOUR FORECAST VALID 0000 UTC WED APR 21.
48 HOUR FORECAST VALID 0000 UTC THU APR 22.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC COLD FRONT 31N61W TO LOW 28N65.5W 1009 MB TO 26N70W TO 
23N80W. N OF 30N E OF FRONT TO 50W SW WINDS TO 20 KT. SEAS TO 8 
FT. WITHIN 90 NM NE AND 150 NM SE AND S QUADRANTS S TO SW WINDS 
20 KT. SEAS LESS THAN 8 FT. WITHIN 180 NM W OF FRONT NE WINDS 20 
TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LOW NE OF AREA. COLD FRONT 31N52W TO 27N56W TO 
25N63W WITH FRONTAL TROUGH TO 24N68W TO 20N72W. N OF 24N WITHIN 
300 NM E OF FRONT SW WINDS 20 TO 30 KT. SEAS 8 TO 12 FT IN MIXED 
SW WIND WAVES AND NE SWELL. W OF FRONT TO 57W N TO NE WINDS 20 TO
25 KT. SEAS 8 TO 11 FT IN NE SWELL. N OF FRONT TO 28N BETWEEN 
57W AND 70W NE WINDS TO 20 KT. SEAS TO 8 FT. 
.48 HOUR FORECAST COLD FRONT 31N41W TO 26N48W TO 22N55W. N OF 
26N WITHIN 240 NM E OF FRONT SW WINDS 20 TO 25 KT. SEAS TO 9 FT. 
W OF FRONT TO 50W WINDS LESS THAN 20 KT. SEAS 8 TO 10 FT IN NW 
SWELL. N OF 29N BETWEEN 50W AND 60W WINDS LESS THAN 20 KT. SEAS 
8 TO 10 FT IN N SWELL.

.ATLC 36 HOUR FORECAST COLD FRONT 31N79W TO 30N81W. N OF 29N 
WITHIN 120 NM E OF FRONT S TO SW WINDS TO 20 KT. SEAS LESS THAN 
8 FT. N OF 30N W OF FRONT W TO NW WINDS TO 20 KT. SEAS LESS THAN 
8 FT.
.48 HOUR FORECAST COLD FRONT 31N76W TO 28N80W. N OF 28N WITHIN 
120 NM E OF FRONT S TO SW WINDS 20 TO 25 KT. SEAS LESS THAN 8 
FT. N OF 30N W OF FRONT W TO NW WINDS TO 20 KT. SEAS LESS THAN 8 
FT.

.ATLC FRONTAL TROUGH 18N35W TO 13N50W TO 13N55W. E OF LINE FROM 
31N38W TO 28N35W NW WINDS 20 KT. SEAS 14 TO 15 FT IN NW SWELL. 
ELSEWHERE NW OF FRONTAL TROUGH TO 50W WINDS LESS THAN 20 KT. 
SEAS 8 TO 13 FT IN NW SWELL...HIGHEST NE PART. N OF FRONTAL 
TROUGH TO 18N BETWEEN 50W AND 55W WINDS LESS THAN 20 KT. SEAS 8 
FT IN N SWELL.
.24 HOUR FORECAST FRONTAL TROUGH 13N35W TO 12N40W TO 13N45W. N 
OF FRONTAL TROUGH E OF 40W WINDS LESS THAN 20 KT. SEAS TO 9 FT 
IN NW SWELL. N OF FRONTAL TROUGH TO 18N BETWEEN 40W AND 45W 
WINDS LESS THAN 20 KT. SEAS 8 FT IN N SWELL.
.48 HOUR FORECAST FRONTAL TROUGH DISSIPATED. S OF 10N E OF 45W 
NE WINDS TO 20 KT. SEAS 8 FT IN NW SWELL.

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

$$
.FORECASTER LEWITSKY. TROPICAL PREDICTION CENTER.