000
FZNT02 KNHC 201618
HSFAT2

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC COLD FRONT 31N59W TO 20N75W. N OF 25N NW OF FRONT W TO NW 
WINDS 20 TO 30 KT. SEAS 8 TO 16 FT IN NW SWELL...HIGHEST N OF 
28N. N OF 24.5N SE OF FRONT TO 46W SW WINDS 20 TO 30 KT. SEAS 8 
TO 14 FT IN MIXED SWELL. NE OF LINE 28N46W TO 28N42W TO 25N35W W 
TO NW WINDS 20 TO 25 KT. SEAS 15 TO 21 FT IN NW SWELL. ELSEWHERE 
N OF 13N E OF 60W WINDS LESS THAN 20 KT. SEAS 8 TO 13 FT IN NW 
SWELL.
.24 HOUR FORECAST COLD FRONT 31N45W TO 19N70W. N OF 27N W OF 
FRONT TO 68W W TO NW WINDS 20 TO 25 KT. SEAS 10 TO 16 FT IN NW 
SWELL E OF BAHAMAS...HIGHEST SEAS N OF 30N. N OF 28N FROM 68W TO 
78W NW WINDS 20 KT. SEAS TO 12 FT IN NW SWELL. ELSEWHERE W OF 
FRONT E OF BAHAMAS WINDS LESS THAN 20 KT. SEAS 8 TO 11 FT IN NW 
SWELL. N OF 24N E OF FRONT SW TO W WINDS 20 TO 30 KT. SEAS 9 TO 
18 FT IN NW SWELL. ELSEWHERE E OF LINE 24N50W TO 13.5N60W WINDS 
LESS THAN 20 KT. SEAS 8 TO 12 FT IN NW SWELL. 
.48 HOUR FORECAST DISSIPATING COLD FRONT 30N35W TO 19N72W. N OF 
24N E OF 50W WESTERLY WINDS 20 TO 30 KT. SEAS 10 TO 28 FT IN NW 
SWELL...HIGHEST ALONG 50W. NE OF LINE 24N50W TO 31N72W NW WINDS 
20 TO 25 KT. SEAS 8 TO 28 FT IN NW SWELL...HIGHEST NE PORTIONS. 
S OF 22N W OF 69W NE WINDS 20 KT. SEAS TO 8 FT. ELSEWHERE N OF 
21N E OF 68W WINDS LESS THAN 20 KT. SEAS 8 TO 12 FT IN NW SWELL. 
EXCEPT AS NOTED BELOW...REMAINDER OF AREA S OF 21N E OF 41W WIND 
LESS THAN 20 KT. SEAS 8 TO 10 FT IN NW TO N SWELL.
 
.ATLC S OF 13N NE TO E WINDS 20 KT. SEAS 8 TO 11 FT IN MIXED N 
AND NW SWELL AND E WIND WAVES.
.24 HOUR FORECAST S OF 10N NE TO E WINDS TO 20 KT. SEAS 8 TO 11 
FT IN NW TO N SWELL.
.48 HOUR FORECAST LITTLE CHANGE.

.CARIBBEAN STATIONARY FRONT 20N75W TO 15N81W TO 11N84W. NW OF 
FRONT N WINDS 20 TO 25 KT. SEAS TO 9 FT. 
.24 HOUR FORECAST FRONTAL TROUGH 18N72W TO 15N83W. W OF TROUGH N 
TO NE WINDS 20 TO 25 KT. SEAS 8 FT.
.48 HOUR FORECAST FRONTAL TROUGH 20N77W TO 14N82W. N OF 16N W OF 
TROUGH TO 85W NE WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.

.GULF OF MEXICO E OF 86W NW TO N WINDS 20 KT. SEAS 8 TO 10 FT IN 
NW SWELL. 
.24 HOUR FORECAST WINDS LESS THAN 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.