000
FZNT02 KNHC 202147
HSFAT2

HIGH SEAS FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 
2230 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC TUE APR 20.
24 HOUR FORECAST VALID 1800 UTC WED APR 21.
48 HOUR FORECAST VALID 1800 UTC THU APR 22.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC LOW PRES 31N54W 1006 MB WITH COLD FRONT TO 27N60W TO 
25N70W TO 22N73W. TROUGH FROM 27N60W TO 22N64W. W OF FRONT TO 
60W NW TO N WINDS 20 KT. SEAS 8 TO 11 FT IN NW SWELL. N OF FRONT 
TO 28N BETWEEN 65W AND 73W N TO NE WINDS 20 KT. SEAS TO 8 FT IN 
NE SWELL. N OF 27N WITHIN 360 NM E OF LOW AND FRONT S TO SW 
WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. FROM 23N TO 27N WITHIN 360 
NM E OF TROUGH S TO SW WINDS 20 TO 25 KT. SEAS TO 9 FT.
.24 HOUR FORECAST COLD FRONT 31N43W TO 26N52W WITH FRONTAL 
TROUGH TO 26N60W TO 22N70W. W OF FRONT TO 53W WINDS LESS THAN 20 
KT. SEAS 8 TO 12 FT IN NW SWELL. N OF 30N BETWEEN 53W AND 60W 
WINDS LESS THAN 20 KT. SEAS TO 9 FT IN NW SWELL.
.48 HOUR FORECAST COLD FRONT 29N35W TO 26N42W WITH FRONTAL 
TROUGH TO 25N55W. NW OF FRONT AND FRONTAL TROUGH TO 50W WINDS 
LESS THAN 20 KT. SEAS 8 TO 10 FT IN NW SWELL. N OF 29N BETWEEN 
50W AND 57W WINDS LESS THAN 20 KT. SEAS TO 9 FT IN NW SWELL.

.ATLC COLD FRONT 17N35W TO 15N40W WITH FRONTAL TROUGH TO 14N46W 
TO 17N55W. N OF FRONT AND FRONTAL TROUGH TO 20N E OF 50W WINDS 
LESS THAN 20 KT. SEAS TO 9 FT IN NW SWELL. N OF 20N E OF 43W 
WINDS LESS THAN 20 KT. SEAS 8 TO 10 FT IN NW SWELL.
.24 HOUR FORECAST COLD FRONT AND FRONTAL TROUGH DISSIPATED. S OF 
13N E OF 42W WINDS LESS THAN 20 KT. SEAS 8 FT IN NW SWELL.
.48 HOUR FORECAST WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT.

.ATLC 18 HOUR FORECAST COLD FRONT 31N79W 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 S TO SW WINDS TO 20 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST COLD FRONT 31N77W TO 28N80W. W OF FRONT W TO 
NW WINDS 20 KT. SEAS LESS THAN 8 FT. N OF 29N WITHIN 120 NM E OF 
FRONT S TO SW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST COLD FRONT 31N70W TO 29N75W TO 25N79W. N OF 
29N E OF FRONT TO 64W S TO SW WINDS 20 TO 25 KT. SEAS TO 8 FT.

.CARIBBEAN 42 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.