000
FZNT02 KNHC 201624
HSFAT2

HIGH SEAS FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 
1630 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC TUE APR 20.
24 HOUR FORECAST VALID 1200 UTC WED APR 21.
48 HOUR FORECAST VALID 1200 UTC THU APR 22.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC COLD FRONT 31N55W TO LOW PRES 30N57W 1006 MB TO 27N62W TO 
26N72W TO 23N77W. WITHIN 150 NM N OF FRONT E OF 76W N TO NE 
WINDS 20 TO 25 KT. SEAS TO 9 FT. WITHIN 90 NM SE SEMICIRCLE OF 
LOW S TO SW WINDS 25 TO 30 KT. SEAS TO 10 FT. ELSEWHERE N OF 25N 
E OF 64W AND WITHIN 300 NM SE OF FRONT SW WINDS 20 TO 25 KT. 
SEAS TO 9 FT. 
.24 HOUR FORECAST COLD FRONT 31N49W TO 26N55W TO 22N65W. N OF 
27N WITHIN 360 NM E OF FRONT SW WINDS 20 TO 30 KT. SEAS 8 TO 12 
FT. N OF 28W OF FRONT TO 55W N TO NE WINDS 20 KT. SEAS 8 TO 11 
FT IN NE SWELL.
.48 HOUR FORECAST COLD FRONT 31N37W TO 23N50W. N OF 28N E OF 
FRONT SW WINDS 20 TO 25 KT. SEAS TO 9 FT. N OF 27N W OF FRONT TO 
50W WINDS LESS THAN 20 KT. SEAS 8 TO 10 FT IN NW SWELL.

.ATLC FRONTAL TROUGH 16.5N35W TO 14N42W TO 17N55W. WITHIN 90 NM 
N OF TROUGH BETWEEN 40W AND 50W WINDS TO 20 KT. SEAS TO 8 FT. 
ELSEWHERE N OF TROUGH E OF 45W WINDS LESS THAN 20 KT. SEAS 8 TO 
12 FT IN NW SWELL.
.24 HOUR FORECAST TROUGH DISSIPATED. S OF 17N E OF 41W WINDS 
LESS THAN 20 KT. SEAS TO 8 FT IN NW SWELL.

.ATLC 24 HOUR FORECAST COLD FRONT 31N77W TO 28N80W. N OF 30N 
WITHIN 120 NM E OF FRONT S TO SW WINDS TO 20 KT. SEAS LESS THAN 
8 FT.
.48 HOUR FORECAST COLD FRONT 31N74W TO 27N80W. N OF 29N WITHIN 
180 NM E OF FRONT S TO SW WINDS 20 TO 25 KT. SEAS LESS THAN 8 
FT. N OF 30N W OF FRONT TO 77W W TO NW WINDS TO 20 KT. SEAS LESS 
THAN 8 FT.

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

$$
.FORECASTER STRIPLING. TROPICAL PREDICTION CENTER.