000
FZNT02 KNHC 221554
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC MON OCT 22 2012

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC MON OCT 22.
24 HOUR FORECAST VALID 1200 UTC TUE OCT 23.
48 HOUR FORECAST VALID 1200 UTC WED OCT 24.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL DEPRESSION EIGHTEEN NEAR 13.5N 78.0W 1003 MB AT 1500
UTC OCT 22 MOVING SW OR 230 DEG AT 4 KT. MAXIMUM SUSTAINED WINDS
25 KT GUSTS 35 KT.  
.12 HOUR FORECAST TROPICAL STORM EIGHTEEN NEAR 13.7N 78.3W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT.
.24 HOUR FORECAST TROPICAL STORM EIGHTEEN NEAR 14.3N 78.1W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE
WINDS WITHIN 40 NM W SEMICIRCLE...50 NM NE QUADRANT AND 60 NM SE 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 90 NM N SEMICIRCLE WITH 
SEAS TO 14 FT.
.48 HOUR FORECAST TROPICAL STORM EIGHTEEN NEAR 17.4N 77.0W.
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE
WINDS WITHIN 90 NM E SEMICIRCLE AND 70 NM W SEMICIRCLE. SEAS 12 
FT OR GREATER WITHIN 120 NM N AND 60 NM S SEMICIRCLE WITH SEAS 
TO 18 FT.
.72 HOUR FORECAST TROPICAL STORM EIGHTEEN INLAND OVER CUBA NEAR
20.5N 76.0W. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM EIGHTEEN OVER WATER NEAR 24.5N
74.5W. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT.
.120 HOUR FORECAST TROPICAL STORM EIGHTEEN SUBTROPICAL NEAR
27.0N 73.0W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT.

.SYNOPSIS AND FORECAST

.ATLC LOW PRES NEAR 21N51W 1009 MB MOVING N 10 KT. WITHIN 180 NM 
FROM 22N TO 26N BETWEEN 48W AND 54W E WINDS 20 TO 25 KT. SEAS TO 
9 FT.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
25N51W 1007 MB. WITHIN 180 NM NE QUADRANT WINDS 20 TO 25 KT. 
SEAS TO 9 FT.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...28N48W 
1008 MB. WITHIN 180 NM E SEMICIRCLE WINDS 20 TO 25 KT. SEAS TO 9 
FT.

.ATLC N OF 26N E OF 50W WINDS 20 KT OR LESS. SEAS 8 TO 14 FT IN 
N SWELL...HIGHEST SEAS FAR NE.
.24 HOUR FORECAST N OF LINE 31N50W TO 25N48W TO 18N35W WINDS 20 
KT OR LESS. SEAS 9 TO 13 FT IN N SWELL...HIGHEST FAR NE.
.48 HOUR FORECAST ELSEWHERE N OF 17N E OF 49W WINDS 20 KT OR 
LESS. SEAS 8 TO 10 FT IN N SWELL.

.ATLC 24 HOUR FORECAST FROM 22N TO 28N W OF 72W NE TO E WINDS 20 
TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST FROM 22N TO 29N BETWEEN 65W AND 79W NE WINDS 
20 TO 30 KT. SEAS 8 TO 10 FT E OF BAHAMAS.

.CARIBBEAN...EXCEPT AS NOTED IN WARNINGS...WITHIN 120 NM N AND 
NW QUADRANT NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST EXCEPT AS NOTED IN WARNINGS...WITHIN 180 NM NE 
SEMICIRCLE OF CENTER WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.
.48 HOUR FORECAST EXCEPT AS NOTED IN WARNINGS OVER FORECAST 
WATERS S WITHIN 240 NM NE AND 90 NM SW SEMICIRCLES WINDS 20 TO 
30 KT. SEAS 8 TO 10 FT. 

.GULF OF MEXICO 24 HOUR FORECAST S OF 25N E OF 85W WINDS 20 KT 
OR LESS. SEAS TO 8 FT.
.48 HOUR FORECAST S OF 25N E OF 87W WINDS 20 KT OR LESS. SEAS TO 
9 FT. 

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

$$
.FORECASTER COBB. NATIONAL HURRICANE CENTER.