000
FZNT02 KNHC 210241
HSFAT2

HIGH SEAS FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 
0430 UTC WED APR 21 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 WED APR 21.
24 HOUR FORECAST VALID 0000 UTC THU APR 22.
48 HOUR FORECAST VALID 0000 UTC FRI APR 23.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC COLD FRONT 31N52W TO 28N57W TO 26N62W TO 24N70W. TROUGH 
28N56W TO 25N60W TO 19N69W. W OF FRONT TO 58W N WINDS 20 KT. 
SEAS 8 TO 10 FT IN NE SWELL. N OF FRONT TO 28N BETWEEN 64W AND 
70W NE WINDS 20 KT. SEAS TO 8 FT. N OF 25N WITHIN 420 NM E OF 
FRONT AND TROUGH SW WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. 
.24 HOUR FORECAST COLD FRONT 31N40W TO 27N45W TO 24N53W WITH 
FRONTAL TROUGH TO 24N64W TO 19N68W. W OF FRONT TO 50W WINDS LESS 
THAN 20 KT. SEAS 8 TO 11 FT IN NW SWELL. N OF 29N BETWEEN 50W 
AND 60W WINDS LESS THAN 20 KT. SEAS 8 TO 10 FT IN N SWELL. N OF 
27N WITHIN 300 NM E OF FRONT SW WINDS 20 TO 25 KT. SEAS 8 TO 10 
FT.
.48 HOUR FORECAST FRONTAL TROUGH 28N35W TO 26N40W TO 25N50W TO 
20N58W. NW OF FRONTAL TROUGH TO 50W WINDS LESS THAN 20 KT. SEAS 
8 TO 10 FT IN NW SWELL.

.ATLC COLD FRONT 12N35W TO 11N41W WITH FRONTAL TROUGH TO 17N48W. 
N OF FRONT AND FRONTAL TROUGH TO 17N E OF 49W WINDS LESS THAN 20 
KT. SEAS 8 FT IN NW SWELL. N OF 17N E OF 40W WINDS LESS THAN 20 
KT. SEAS TO 9 FT IN NW SWELL. 
.24 HOUR FORECAST COLD FRONT AND FRONTAL TROUGH DISSIPATED. S OF 
11N E OF 43W WINDS LESS THAN 20 KT. SEAS 8 FT IN NW SWELL.
.42 HOUR FORECAST WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT.

.ATLC 12 HOUR FORECAST COLD FRONT 31N78W TO 29N81W. W OF FRONT W 
TO NW WINDS 20 KT. SEAS LESS THAN 8 FT. N OF 29N WITHIN 60 NM E 
OF FRONT SW WINDS TO 20 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST COLD FRONT 31N75W TO 28N77W TO 26N79W. N OF 
29N W OF FRONT TO 79W W TO NW WINDS 20 KT. SEAS LESS THAN 8 FT. 
N OF 28N WITHIN 180 NM E OF FRONT S TO SW WINDS 20 KT. SEAS LESS 
THAN 8 FT.
.48 HOUR FORECAST COLD FRONT 31N65W TO 28N66W TO 24N70W. N OF 
28N W OF FRONT TO 71W W TO NW WINDS 20 KT. SEAS LESS THAN 8 FT. 
N OF 29N WITHIN 120 NM E OF FRONT SW WINDS 20 KT. SEAS LESS THAN 
8 FT.

.CARIBBEAN 36 HOUR FORECAST FROM 11N TO 13N BETWEEN 72W AND 77W 
NE TO E WINDS TO 20 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST FROM 11N TO 13N E OF 77W NE TO E WINDS 20 KT. 
SEAS LESS THAN 8 FT.

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

$$
.FORECASTER LEWITSKY. TROPICAL PREDICTION CENTER.