000
FZNT02 KNHC 201008
HSFAT2

HIGH SEAS FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 
1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC SUN DEC 20.
24 HOUR FORECAST VALID 0600 UTC MON DEC 21.
48 HOUR FORECAST VALID 0600 UTC TUE DEC 22.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.COLD FRONT 31N76W TO 21N75W. N OF 26N W OF FRONT W TO NW WINDS 
20 TO 30 KT. SEAS 10 TO 17 FT IN NW SWELL...HIGHEST SEAS N OF 
30N. N OF 25N E OF FRONT TO 52W S TO SW WINDS 20 TO 30 KT. SEAS 
10 TO 15 FT IN MIXED SWELL. N OF 28N E OF 48W NW WINDS 20 TO 25 
KT. SEAS 17 TO 21 FT IN NW SWELL.
.24 HOUR FORECAST COLD FRONT 31N52W TO 20N71W. N OF 26N W OF 
FRONT TO 75W W TO NW WINDS 20 TO 25 KT. SEAS 10 TO 16 FT IN NW 
SWELL E OF BAHAMAS...HIGHEST SEAS N OF 30N. ELSEWHERE W OF FRONT 
E OF BAHAMAS WINDS LESS THAN 20 KT. SEAS 8 TO 11 FT. N OF 24N E 
OF FRONT SW TO W WINDS 20 TO 25 KT. SEAS 12 TO 19 FT IN NW 
SWELL. 
.48 HOUR FORECAST COLD FRONT 31N38W TO 19N70W. N OF 26N W OF 
FRONT TO 70W W TO NW WINDS 20 TO 30 KT. SEAS 12 TO 24 FT... 
HIGHEST SEAS N OF 29N. S OF 26N W OF FRONT TO 75W WINDS LESS 
THAN 20 KT. SEAS 8 TO 11 FT PRIMARILY IN NW SWELL. N OF 23N E OF 
FRONT W WINDS 20 TO 25 KT. SEAS 9 TO 14 FT IN NW SWELL. 
 
.EXCEPT AS NOTED ABOVE. NW OF LINE 25N35W 18N50W 18N61W AND E OF 
BAHAMAS WINDS LESS THAN 20 KT. SEAS 10 TO 17 FT IN PRIMARILY NW 
SWELL.
.24 HOUR FORECAST...EXCEPT AS NOTED ABOVE. N OF 20N E OF 55W 
WINDS LESS THAN 20 KT. SEAS 8 TO 14 FT IN PRIMARILY IN NW SWELL. 
.48 HOUR FORECAST...EXCEPT AS NOTED ABOVE. N OF 20N E OF 50W 
WINDS LESS THAN 20 KT. SEAS 8 TO 13 FT IN PRIMARILY IN NW SWELL.

.ATLC S OF 14N NE TO E WINDS 20 KT. SEAS 8 TO 11 FT IN N SWELL.
.24 HOUR FORECAST S OF 20N NE TO E WINDS TO 20 KT. SEAS 8 TO 11 
FT IN NW SWELL.
.48 HOUR FORECAST LITTLE CHANGE.

.CARIBBEAN FRONTAL TROUGH 20N77W TO 15N83W. W OF TROUGH N WINDS 
TO 20 KT. SEAS TO 8 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 88W NW WINDS 20 KT. SEAS 8 TO 10 FT IN NW 
SWELL. 
.12 HOUR FORECAST N OF 25N E OF 85W N WINDS 20 KT. SEAS 8 FT.
.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 GR. TROPICAL PREDICTION CENTER.