000
FZNT02 KNHC 180823
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC SUN DEC 18 2011

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC SUN DEC 18.
24 HOUR FORECAST VALID 0600 UTC MON DEC 19.
48 HOUR FORECAST VALID 0600 UTC TUE DEC 20.

.WARNINGS.

...ATLC GALE WARNING...
.12 HOUR FORECAST COLD FRONT 31N63W TO 25N70W TO 22N77W. N OF 
30N WITHIN 240 NM W OF FRONT NW WINDS 25 TO 35 KT. SEAS 10 TO 15 
FT. N OF 30N WITHIN 240 NM E OF FRONT SW WINDS 25 TO 35 KT. SEAS 
9 TO 13 FT.  
.24 HOUR FORECAST COLD FRONT 31N58W TO 26N65W TO 21N75W. N OF 
29N WITHIN 330 NM W OF FRONT NW WINDS 25 TO 35 KT. SEAS 11 TO 17 
FT. N OF 29N WITHIN 180 NM E OF FRONT SW WINDS 25 TO 35 KT. SEAS 
9 TO 13 FT.
.36 HOUR FORECAST CONDITIONS BELOW GALE FORCE.

.SYNOPSIS AND FORECAST.

.ATLC COLD FRONT 31N72W TO 28N81W. NW OF FRONT NW WINDS 20 KT. 
SEAS LESS THAN 8 FT. N OF 30N E OF FRONT TO 67W SW WINDS 20 KT. 
SEAS LESS THAN 8 FT.
.12 HOUR FORECAST COLD FRONT 31N66W TO 26N73W TO 23N80W. EXCEPT 
AS NOTED IN WARNING...NW OF FRONT N WINDS 20 TO 25 KT. N OF 26N 
SEAS TO 11 FT IN MIXED N SWELL. ELSEWHERE N OF 27N WITHIN 420 NM 
E OF FRONT SW WINDS 20 TO 25 KT. SEAS TO 10 FT.  
.24 HOUR FORECAST COLD FRONT 31N58W TO 26N65W TO 23N80W. EXCEPT 
AS NOTED IN WARNING...N OF 25N W OF FRONT TO 78W AND S OF 25N W 
OF 72W N TO NE WINDS 20 TO 25 KT. SEAS 8 TO 13 FT IN MIXED N 
SWELL NE OF BAHAMAS. ELSEWHERE N OF 26N WITHIN 360 NM E OF FRONT 
SW WINDS 20 TO 25 KT. SEAS TO 11 FT.  
.36 HOUR FORECAST COLD FRONT 31N51W TO 22N65W TO 20N71W. N OF 
25N W OF FRONT TO 70W NW TO N WINDS 20 TO 30 KT. SEAS 12 TO 18 
FT IN NW SWELL. S OF 25N W OF FRONT N TO NE WINDS 20 TO 25 KT. 
SEAS 8 TO 13 FT IN N SWELL E OF BAHAMAS. ELSEWHERE N OF 27N W OF 
FRONT TO 77W WINDS LESS THAN 20 KT. SEAS 8 TO 11 FT PRIMARILY IN 
NE SWELL. N OF 27N E OF FRONT TO 35W S WINDS 20 TO 25 KT. SEAS 8 
TO 12 FT. REMAINDER AREA E OF 65W WINDS LESS THAN 20 KT. SEAS TO 
10 FT PRIMARILY IN NE SWELL. 
.48 HOUR FORECAST COLD FRONT 31N46W TO 22N55W TO 18N68W. N OF 
25N W OF FRONT TO 60W NW TO N WINDS 20 TO 25 KT. SEAS 14 TO 20 
FT IN NW SWELL. S OF 25N W OF FRONT NE TO E WINDS 20 TO 25 KT. 
SEAS 8 TO 14 FT IN N SWELL E OF BAHAMAS. ELSEWHERE W OF FRONT TO 
77W WINDS LESS THAN 20 KT. SEAS 8 TO 13 FT PRIMARILY IN NE 
SWELL. N OF 27N E OF FRONT TO 35W S WINDS 20 TO 25 KT. SEAS 8 TO 
12 FT. REMAINDER AREA E OF 65W WINDS LESS THAN 20 KT. SEAS TO 9 
FT PRIMARILY IN NE SWELL. 

.ATLC LOW PRES 27N49W 1008 MB. N OF 22N E OF 48W SE TO S WINDS 
20 TO 30 KT. SEAS 10 TO 17 FT. N OF 25N BETWEEN 50W AND 55W N 
WINDS 20 KT. SEAS 11 TO 15 FT IN N SWELL. ELSEWHERE N OF 27N E 
OF 63W AND S OF 27N E 74W WINDS LESS THAN 20 KT. SEAS 8 TO 13 FT 
IN NE SWELL. 
.12 HOUR FORECAST LOW PRES 28N49W 1010 MB. N OF 25N E OF 48W SE 
TO S WINDS 20 TO 25 KT. SEAS 10 TO 15 FT. ELSEWHERE E OF 70W
WINDS LESS THAN 20 KT. SEAS 8 TO 11 FT PRIMARILY IN NE SWELL. 
.24 HOUR FORECAST TROUGH 30N52W TO 22N50W. N OF 26N E OF 48W SE 
TO S WINDS 20 TO 25 KT. SEAS 9 TO 14 FT. ELSEWHERE E OF 65W 
WINDS LESS THAN 20 KT. SEAS TO 10 FT PRIMARILY IN NE SWELL. 
.36 HOUR FORECAST TROUGH DISSIPATED...CONDITIONS MERGE.

.CARIBBEAN N OF 11N BETWEEN 68W AND 83W NE TO E WINDS 20 TO 25 
KT. SEAS TO 11 FT.
.24 HOUR FORECAST N OF 11N TO 15N BETWEEN 72W AND 80W NE TO E 
WINDS 20 TO 25 KT. SEAS 8 TO 11 FT. ELSEWHERE N OF 11N BETWEEN 
65W AND 85W NE TO E WINDS 20 KT. SEAS TO 8 FT.
.48 HOUR FORECAST N OF 11N NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 
12 FT.

.GULF OF MEXICO FRONTAL TROUGH 27N83W TO 25N95W TO 19N96W.  S OF 
24N W OF 96W NW TO N WINDS 20 KT. SEAS LESS THAN 8 FT. N OF 28N 
E OF 90W NE WINDS 20 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST TROUGH DIFFUSE. N OF 23N W OF 90W SE WINDS 20 
KT. SEAS LESS THAN 8 FT. S OF 27N E OF 87W NE TO E WINDS 20 TO 
25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST N OF 22N SE WINDS 20 TO 25 KT. SEAS TO 8 FT.

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

$$
.FORECASTER NELSON. NATIONAL HURRICANE CENTER.