000
FZNT02 KNHC 220246
HSFAT2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC SAT OCT 22 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC SAT OCT 22.
24 HOUR FORECAST VALID 0000 UTC SUN OCT 23.
48 HOUR FORECAST VALID 0000 UTC MON OCT 24.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC STATIONARY FRONT 31N69W TO 21N78W. S OF 25N W OF FRONT N 
TO NE WINDS 20 KT. SEAS LESS THAN 8 FT. 
.24 HOUR FORECAST TROUGH 31N71W TO 21N76W. WINDS LESS THAN 20 
KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST TROUGH 31N69W TO 23N77W. N OF 29N W OF 78W NE 
WINDS 20 KT. SEAS LESS THAN 8 FT.

.ATLC N OF 22N BETWEEN 35W AND 63W NE TO E WINDS 20 KT. SEAS TO 
10 FT IN E SWELL.
.24 HOUR FORECAST N OF 23N BETWEEN 38W AND 55W SE WINDS 20 KT. 
SEAS TO 9 FT IN NE SWELL. ELSEWHERE N OF 23N BETWEEN 38W AND 65W 
WINDS LESS THAN 20 KT. SEAS TO 8 FT PRIMARILY IN E SWELL.
.42 HOUR FORECAST WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT.

.ATLC TROUGH 13N48W TO 21N35W. E OF 45N WITHIN 120 NM S OF 
TROUGH S WINDS 20 KT. SEAS LESS THAN 8 FT. 
.24 HOUR FORECAST TROUGH DIFFUSE. WINDS LESS THAN 20 KT. SEAS 
LESS THAN 8 FT.

.CARIBBEAN LOW PRES 12.5N80.5W 1007 MB. WITHIN 90 NM OF CENTER 
WINDS 20 KT. SEAS TO 8 FT. SCATTERED TSTMS WITHIN 120 NM W 
QUADRANT. POSSIBLE TROPICAL CYCLONE FORMATION.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
12.5N81.5W 1006 MB. WITHIN 120 NM OF CENTER WINDS 20 KT. SEAS TO 
9 FT.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
14N82W 1005 MB. WITHIN 150 NM OF CENTER WINDS 20 TO 25 KT. SEAS 
TO 11 FT.

.CARIBBEAN FRONTAL TROUGH 21N78W TO 16N83.5W. W OF TROUGH N TO 
NE WINDS 20 TO 25 KT. SEAS TO 9 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST TROUGH DIFFUSE. W OF 82W NW TO N WINDS 20 KT. 
SEAS TO 8 FT.  

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

$$
.FORECASTER NELSON. NATIONAL HURRICANE CENTER.