000
FZNT02 KNHC 232129
HSFAT2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC SUN OCT 23 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC SUN OCT 23.
24 HOUR FORECAST VALID 1800 UTC MON OCT 24.
48 HOUR FORECAST VALID 1800 UTC TUE OCT 25.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL DEPRESSION EIGHTEEN NEAR 15.9N 81.9W 1005 MB AT 2100
UTC OCT 23 MOVING NW OR 325 DEG AT 10 KT. MAXIMUM SUSTAINED
WINDS 30 KT GUSTS 40 KT.  
.12 HOUR FORECAST TROPICAL STORM EIGHTEEN NEAR 16.4N 82.2W. 
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE 
WINDS WITHIN 60 NM N SEMICIRCLE...45 NM SE QUADRANT AND 0 NM SW 
QUADRANT. SEAS TO 12 FT.
.24 HOUR FORECAST TROPICAL STORM EIGHTEEN NEAR 16.8N 82.9W. 
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE 
WINDS WITHIN 60 NM N SEMICIRCLE...45 NM SE QUADRANT AND 0 NM SW 
QUADRANT. SEAS WITHIN 60 NM N SEMICIRCLE WITH SEAS TO 13 FT.
.48 HOUR FORECAST TROPICAL STORM EIGHTEEN NEAR 17.1N 84.3W. 
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE 
WINDS WITHIN 90 NM N SEMICIRCLE...60 NM SE QUADRANT AND 45 NM SW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 75 NM N SEMICIRCLE WITH 
SEAS TO 15 FT.
.72 HOUR FORECAST TROPICAL STORM EIGHTEEN NEAR 17.3N 86.0W. 
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM EIGHTEEN NEAR 17.7N 87.0W.
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT.
.120 HOUR FORECAST TROPICAL STORM EIGHTEEN NEAR 19.0N 88.0W.
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT.

.SYNOPSIS AND FORECAST.

.ATLC FROM 18N TO 25N E OF 51W E WINDS 20 KT. SEAS 8 TO 10 FT IN 
E SWELL.
.24 HOUR FORECAST FROM 15N TO 23N BETWEEN 40W AND 55W E WINDS 20 
KT. SEAS TO 8 FT. 
.42 HOUR FORECAST WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT.

.ATLC FRONTAL TROUGH 31N70W TO 22N78W. WINDS LESS THAN 20 KT. 
SEAS LESS THAN 8 FT. 
.24 HOUR FORECAST COLD FRONT MERGE WITH FRONTAL TROUGH FROM 
31N75W TO 23N79W. N OF 27N W OF FRONT N WINS 20 KT. SEAS LESS 
THAN 8 FT. 
.48 HOUR FORECAST COLD FRONT 31N65W TO 22N78W. W OF FRONT NE 
WINDS 20 KT. SEAS LESS THAN 8 FT.

.CARIBBEAN EXCEPT AS NOTED IN TROPICAL STORM WARNING...W OF 84W 
NW TO N WINDS 20 KT. SEAS TO 8 FT. FROM 15N TO 18N BETWEEN 75W 
AND 84W WINDS 20 TO 30 KT. SEAS TO 8 FT.
.12 HOUR FORECAST EXCEPT AS NOTED IN TROPICAL STORM WARNING... 
FROM 15 TO 20N W OF 78W WINDS 20 TO 33 KT. SEAS TO 11 FT.
.24 HOUR FORECAST EXCEPT AS NOTED IN TROPICAL STORM WARNING... 
FROM 15 TO 21N W OF 79W WINDS 20 TO 33 KT. SEAS TO 11 FT.
.48 HOUR FORECAST EXCEPT AS NOTED IN TROPICAL STORM WARNING... 
FROM 15 TO 21N W OF 82W WINDS 20 TO 33 KT. SEAS TO 11 FT.

.CARIBBEAN 42 HOUR FORECAST N OF 15N BETWEEN 65W AND 72W NE TO E 
WINDS 20 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

.GULF OF MEXICO 24 HOUR FORECAST S OF 24N E OF 85W N TO NE WINDS 
20 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

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

$$
.FORECASTER NELSON. NATIONAL HURRICANE CENTER.