000
FZNT02 KNHC 212149
HSFAT2

HIGH SEAS FORECAST 
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC TUE APR 21 2009

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 21.
24 HOUR FORECAST VALID 1800 UTC WED APR 22.
48 HOUR FORECAST VALID 1800 UTC THU APR 23.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC COLD FRONT 31N77W TO 25N80W. W OF FRONT NW WINDS TO 20 KT. 
SEAS LESS THAN 8 FT. N OF 27N WITHIN 420 NM E OF FRONT S WINDS 
20 TO 30 KT. SEAS TO 9 FT.
.24 HOUR FORECAST WEAKENING COLD FRONT 31N70W TO 22N74W. N OF 
29N W OF FRONT W TO NW WINDS 20 TO 25 KT. SEAS TO 8 FT. N OF 27N 
WITHIN 420 NM E OF FRONT S WINDS 20 TO 25 KT. SEAS TO 9 FT. 
.48 HOUR FORECAST FRONTAL TROUGH 31N65W TO 22N70W. WITHIN 180 NM 
NW OF FRONTAL TROUGH N TO NE WINDS TO 20 KT. SEAS LESS THAN 8 
FT.  

.ATLC TROUGH 31N44W TO LOW PRES 26N57W 1022 MB. WITHIN 480 NM W 
OF TROUGH NE WINDS TO 20 KT. SEAS TO 8 FT.
.24 HOUR FORECAST COLD FRONT 31N35W TO 27N55W. N OF FRONT NE TO 
E WINDS 20 TO 25 KT. SEAS BUILDING 8 TO 10 FT.
.48 HOUR FORECAST COLD FRONT 28N35W TO 23N47W. N OF FRONT TO 45W 
NE WINDS 20 TO 30 KT WITH HIGHER GUSTS. SEAS 10 TO 16 FT IN NE 
SWELL. ELSEWHERE N OF 23N E OF 55W NE WINDS TO 20 KT. SEAS 8 TO 
11 FT IN NE SWELL.

.ATLC S OF 22N NE TO E WINDS TO 20 KT. SEAS 8 TO 10 FT WITH E 
SWELL.
.24 HOUR FORECAST S OF 19N W OF 40W NE TO E WINDS 20 KT. SEAS  
TO 9 FT IN NE SWELL.
.48 HOUR FORECAST S OF 18N W OF 45W NE TO E WINDS TO 20 KT. SEAS 
TO 9 FT IN E SWELL.

.CARIBBEAN FROM 10N TO 14N BETWEEN 68W AND 79W NE TO E WINDS 20 
TO 30 KT. SEAS 9 TO 12 FT. ELSEWHERE FROM 10N TO 18N E OF 80W
NE TO E WINDS TO 20 KT. SEAS TO 9 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST FROM 10N TO 14N BETWEEN 70W AND 80W NE TO E 
WINDS 20 TO 30 KT WITH HIGHER GUSTS. SEAS 9 TO 13 FT. ELSEWHERE 
FROM 10N TO 18N E OF 83W NE TO E WINDS 20 KT. SEAS TO 9 FT.

.GULF OF MEXICO COLD N OF 28N E OF 85W W TO NW WINDS TO 20 KT. 
SEAS LESS THAN 8 FT.
.24 HOUR FORECAST N OF 26N W OF 95W SW WINDS TO 20 KT. SEAS LESS 
THAN 8 FT. 
.48 HOUR FORECAST N OF 22N W OF 92W SE TO S WINDS 20 KT. SEAS 
LESS THAN 8 FT.
 
.REMAINDER OF AREA WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT.

$$
.FORECASTER COBB. TROPICAL PREDICTION CENTER.