000
FZNT02 KNHC 190234
HSFAT2

HIGH SEAS FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC TUE OCT 19 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND 
GULF OF MEXICO

SYNOPSIS VALID 0000 UTC TUE OCT 19.
24 HOUR FORECAST VALID 0000 UTC WED OCT 20.
48 HOUR FORECAST VALID 0000 UTC THU OCT 21.

.WARNINGS.
.NONE.

.SYNOPSIS AND FORECAST.

.ATLC COLD FRONT FROM 31N41W TO 24N48W TO 21N54W THEN WEAKENING
TO 21N61W TO 21N68W TO 21N77W. WITHIN 120 NM N OF FRONT BETWEEN 
67W AND 78W NE WINDS 20 KT. SEAS LESS THAN 8 FT. N OF 29N WITHIN 
180 NM W OF FRONT NW WINDS 20 KT. SEAS 8 TO 12 FT IN NW SWELL. 
ELSEWHERE N OF 23N W OF FRONT TO 66W WINDS LESS THAN 20 KT. SEAS 
TO 8 FT IN N SWELL.
.24 HOUR FORECAST WEAKENING FRONTAL TROUGH FROM 31N35W TO 22N45W 
THEN WEAKENING STATIONARY TO 21N59W. N OF 28N W OF FRONT TO 46W 
N TO NE WINDS 20 KT. SEAS 8 TO 10 FT IN NW SWELL. ELSEWHERE W OF 
FRONT TO 57W WINDS LESS THAN 20 KT EXCEPT FROM 19N TO 22N NE TO 
E 20 KT. SEAS TO 9 FT.
.48 HOUR FORECAST FRONT MOVED E OF AREA AND DISSIPATED. FROM 21N
TO 27N BETWEEN 42W AND 50W NE TO E WINDS TO 20 KT. SEAS TO 9 FT
IN NW SWELL. ELSEWHERE N OF 19N E OF 50W WINDS LESS THAN 20 KT.
SEAS TO 8 FT PRIMARILY IN NW SWELL.

.ATLC LOW NEAR 13N36W 1009 MB DRIFTING SW. WITHIN 60 NM NE 
SEMICIRCLE WINDS TO 20 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WEAKENING LOW NEAR 12N38W 1010 MB. WITHIN 60 
NM N SEMICIRCLE WINDS TO 20 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST WEAKENING LOW NEAR 12N41W 1012 MB. FROM 13N TO 
18N BETWEEN 40W AND 50W NE TO E WINDS TO 20 KT. SEAS TO 8 FT IN 
N SWELL.

.CARIBBEAN LOW NEAR 16N83W 1010 MB MOVING NW 05 KT. WITHIN 150
NM NW SEMICIRCLE WINDS TO 20 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LOW...POSSIBLE TROPICAL CYCLONE...NEAR 17N82W 
1010 MB. WITHIN 60 NM OF LOW WINDS TO 20 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LOW...POSSIBLE TROPICAL CYCLONE...NEAR 17N83W 
1010 MB. WITHIN 60 NM E AND 180 NM W SEMICIRCLES WINDS TO 20 KT. 
SEAS LESS THAN 8 FT. 

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

$$
.FORECASTER AGUIRRE. TROPICAL PREDICTION CENTER.