000
FZNT02 KNHC 231022 CCA
HSFAT2

HIGH SEAS FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 
1030 UTC WED DEC 23 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC WED DEC 23.
24 HOUR FORECAST VALID 0600 UTC THU DEC 24.
48 HOUR FORECAST VALID 0600 UTC FRI DEC 25.

.WARNINGS.

...ATLC GALE WARNING...
.N OF 28N BETWEEN 40W AND 52W W TO NW WINDS 30 TO 40 KT. SEAS 20 
TO 30 FT IN NW SWELL.
.24 HOUR FORECAST N OF 30N E OF 42W W TO NW WINDS 30 TO 35 KT. 
SEAS 24 TO 28 FT.
.36 HOUR FORECAST WINDS LESS THAN GALE FORCE. 

.SYNOPSIS AND FORECAST.

.ATLC COLD FRONT FROM 26N35W TO 21N60W THEN STATIONARY TO 
19N70W. EXCEPT AS NOTED IN WARNING N OF 25N W OF FRONT AND E OF 
LINE FROM 25N55W TO 31N67W NW WINDS 20 TO 30 KT. SEAS 15 TO 25 
FT IN NW SWELL. ELSEWHERE W OF FRONT TO 70W N TO NE WINDS TO 20 
KT. SEAS 8 TO 12 FT IN NW SWELL. N OF 23N E OF FRONT SW TO W 
WINDS 20 TO 25 KT. SEAS 9 TO 13 FT IN NW SWELL. ELSEWHERE N OF 
20N E OF 60W WINDS LESS THAN 20 KT. SEAS 8 TO 12 FT IN NW SWELL.
.24 HOUR FORECAST COLD FRONT 23N35W TO 20N46W THEN STATIONARY  
TO 21N63W THEN WARM FRONT TO 21N73W. EXCEPT AS NOTED IN WARNING 
N OF 24N W OF FRONT AND E OF LINE FROM 24N45W TO 31N56W NW WINDS 
20 TO 30 KT. SEAS 18 TO 25 FT IN NW SWELL...HIGHEST SEAS N OF 
30N. ELSEWHERE W OF FRONT TO 65W N TO NE WINDS TO 20 KT. SEAS 12 
TO 18 FT IN NW SWELL. N OF 20N E OF FRONT SW TO W WINDS 20 KT. 
SEAS 15 TO 19 FT IN NW SWELL. N OF 12N E OF 60W WINDS LESS THAN 
20 KT. SEAS 8 TO 12 FT IN NW SWELL. ELSEWHERE S OF 12N NE TO E 
WINDS TO 20 KT. SEAS TO 8 FT.
.48 HOUR FORECAST FRONT DIFFUSE. E OF LINE FROM 27N35W TO 31N45W 
NW WINDS 20 TO 30 KT. SEAS 20 TO 25 FT. ELSEWHERE E OF LINE FROM 
23N35W TO 31N47W NW WINDS 20 KT. SEAS 18 TO 20 FT IN NW SWELL. 
ELSEWHERE N OF 10N E OF 60W WINDS LESS THAN 20 KT...EXCEPT SW 
WINDS 20 KT N OF 30N FROM 55W TO 60W. SEAS 10 TO 18 FT IN NW 
SWELL. S OF 10N NE TO E WINDS TO 20 KT. SEAS 8 TO 11 FT IN NW 
SWELL.

.ATLC FROM 22N TO 27N W OF 70W NE WINDS 20 TO 30 KT. SEAS 8 TO 
12 FT IN N SWELL E OF BAHAMAS AND 8 TO 10 FT W OF BAHAMAS.
.24 HOUR FORECAST LOW PRES NEAR 21N73W 1007 MB. WITHIN 150 NM N 
SEMICIRCLE NE TO E WINDS 20 TO 30 KT. SEAS 9 TO 13 FT. ELSEWHERE 
S OF 26N W OF 65W NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 12 FT E 
OF BAHAMAS. SEAS TO 8 FT W OF BAHAMAS.
.48 HOUR FORECAST LOW PRES NEAR 23N67W 1007 MB. WITHIN 210 NW 
QUADRANT N TO NE WINDS 20 TO 30 KT. SEAS 10 TO 13 FT. ELSEWHERE 
WITHIN 180 NM OF LOW WINDS 20 TO 25 KT. SEAS 8 TO 12 FT. 
ELSEWHERE N OF 25N W OF 65W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 
12 FT.

.CARIBBEAN FRONT 19N72W TO 16N80W TO 10N80W. N OF 15N W OF FRONT 
TO 85W N TO NE WINDS 20 TO 30 KT WITH HIGHER GUSTS. SEAS 8 TO 10 
FT. ELSEWHERE...N OF 13N E OF FRONT TO 65W E TO SE WINDS 20 KT. 
SEAS TO 8 FT.  
.24 HOUR FORECAST LOW PRES N OF AREA 1007 MB NEAR 21N73W WITH 
TROUGH EXTENDING S TO 12N76W. N OF 15N E OF TROUGH TO 60W WINDS 
LESS THAN 20 KT. SEAS TO 8 FT. ELSEWHERE S OF 15N E OF 70W E TO 
SE WINDS 20 KT. SEAS LESS THAN 8 FT. 
.48 HOUR FORECAST WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT. 

.GULF OF MEXICO W OF 92W SE TO S WINDS 20 TO 30 KT. SEAS 8 FT.
.24 HOUR FORECAST W OF 90W SE TO S WINDS 20 TO 25 KT. SEAS 8 TO 
10 FT. ELSEWHERE E TO SE WINDS 20 KT. SEAS LESS THAN 8 FT. 
.48 HOUR FORECAST COLD FRONT FROM 30N87W TO 19N95W. W OF FRONT 
NW TO N WINDS 20 TO 30 KT. SEAS 8 TO 10 FT N OF 22N. N OF 26N E 
OF FRONT SE TO S WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.

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

$$
.FORECASTER GR. TROPICAL PREDICTION CENTER.