000
FZNT02 KNHC 201503
HSFAT2

HIGH SEAS FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 
1630 UTC MON DEC 20 2004
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS

SECURITE

ATLANTIC FROM 7N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND 
GULF OF MEXICO.

SYNOPSIS VALID 1200 UTC MON DEC 20
24 HOUR FORECAST VALID 1200 UTC TUE DEC 21
48 HOUR FORECAST VALID 1200 UTC WED DEC 22

WARNINGS
...ATLC GALE WARNING...
.ATLC COLD FRONT 31N71W 25N80W. N OF 27N W OF FRONT WIND W TO NW 
30 TO 40 KT SEAS 12 TO 20 FT. N OF 27N WITHIN 360 NM E OF FRONT 
WIND SW 25 TO 35 KT SEAS 9 TO 13 FT.
.12 HOUR FORECAST WIND BELOW GALE FORCE.

SYNOPSIS AND FORECAST
.ATLC  EXCEPT AS NOTED IN WARNING...W OF FRONT WIND NW 20 TO 30 
KT SEAS 9 FT. ELSEWHERE N OF 23N E OF FRONT TO 65W WIND S TO SW 
20 KT SEAS TO 9 FT.  
.12 HOUR FORECAST COLD FRONT 31N65W 20N75W. N OF 27N W OF FRONT 
TO 70W WIND W TO NW 20 TO 30 KT SEAS 12 TO 22 FT WITH N SWELL. 
ELSEWHERE W OF FRONT TO 79W WIND NW TO N TO 20 KT SEAS 8 TO 12 
FT WITH N SWELL. N OF 26N WITHIN 360 NM E OF FRONT WIND S TO SW 
20 TO 25 KT SEAS 8 TO 12 FT WITH NW SWELL.
.24 HOUR FORECAST COLD FRONT 31N55W 19N70W. N OF 25N W OF FRONT 
TO 75W WIND NW TO N TO 20 KT SEAS 12 TO 18 FT WITH N SWELL. N OF 
25N BETWEEN 75W AND 78W WIND LESS THAN 20 KT SEAS 8 TO 11 FT IN 
N SWELL. S OF 25N W OF FRONT AND NE OF BAHAMA CHAIN WIND NE TO 
20 KT SEAS 8 TO 12 FT PRIMARILY IN N SWELL.
.48 HOUR FORECAST FRONT DISSIPATED. 

.ATLC RIDGE 31N50W 22N70W. W OF RIDGE TO 65W WIND SE TO S 20 KT 
SEAS TO 8 FT. N OF 12N SE OF RIDGE WIND ELY 20 KT SEAS TO 9 FT.
.12 HOUR FORECAST RIDGE 31N50W 24N63W. ELSEWHERE NW OF RIDGE 
WIND SE TO S TO 20 KT SEAS TO 8 FT. N OF 18N SE OF RIDGE WIND 
ELY 20 TO 25 KT SEAS 8 TO 11 FT.
.24 HOUR FORECAST RIDGE 31N45W 25N50W. N OF 23N SE OF RIDGE WIND 
NE TO E 20 TO 25 KT SEAS 9 TO 12 FT. ELSEWHERE N OF 15N SE OF 
RIDGE WIND NE TO E 20 KT SEAS TO 9 FT IN NE SWELL.
.48 HOUR FORECAST RIDGE N OF AREA. ATLC N OF 13N E OF 75W WIND 
NE TO E 20 TO 25 KT SEAS 8 TO 12 FT WITH NE SWELL.

.CARIBBEAN COLD FRONT 25N80W 22N90W. N OF 15N W OF 80W WIND N
20 KT SEAS TO 8 FT. ELSEWHERE N OF 10N W OF 75W WIND N TO NE TO 
20 KT SEAS LESS THAN 8 FT.
.12 HOUR FORECAST COLD FRONT 20N75W 15N85W. NW OF FRONT WIND N 
TO NE 20 KT SEAS TO 8 FT. ELSEWHERE N OF 10N W OF 68W WIND NE
20 TO 25 KT SEAS TO 9 FT.
.24 HOUR FORECAST FRONTAL TROUGH 19N70W 13N83W. FROM 10N TO 20N 
W OF 65W WIND NE TO E 20 TO 25 KT SEAS 8 TO 10 FT.
.36 HOUR FORECAST TROUGH DISSIPATED. FROM 10N TO 20N E OF 83W 
WIND NE TO E 20 KT SEAS TO 8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

.GULF OF MEXICO COLD FRONT 25N80W 22N95W. E OF 95W WIND NW TO N 
20 TO 25 KT SEAS 8 TO 10 FT.
.18 HOUR FORECAST E OF 90W WIND NE TO E TO 20 KT SEAS LESS THAN 
8 FT. N OF 25N W OF 90W WIND SE TO S 20 KT SEAS LESS THAN 8 FT.
.24 HOUR FORECAST N OF 25N W OF 90W WIND S TO 20 KT SEAS LESS 
THAN 8 FT.
.48 HOUR FORECAST WIND SE TO S 20 KT SEAS TO 8 FT.

REMAINDER FORECAST AREA WIND LESS THAN 20 KT SEAS LESS THAN 8 FT.

$$
FORECASTER NELSON
TROPICAL ANALYSIS AND FORECAST BRANCH
TROPICAL PREDICTION CENTER