000
FZNT02 KNHC 210937
HSFAT2

HIGH SEAS FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC TUE SEP 21 2010

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC TUE SEP 21.
24 HOUR FORECAST VALID 0600 UTC WED SEP 22.
48 HOUR FORECAST VALID 0600 UTC THU SEP 23.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM LISA NEAR 17.7N 31.8W 1005 MB AT 0900 UTC SEP 21 
MOVING N OR 360 DEG AT 4 KT. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 
45 KT. TROPICAL STORM FORCE WINDS WITHIN 35 NM E SEMICIRCLE...0 
NM SW QUADRANT AND 20 NM NW QUADRANT. SEAS 12 FT OR GREATER 
WITHIN 30 NM E SEMICIRCLE WITH SEAS TO 13 FT.
.24 HOUR FORECAST TROPICAL STORM LISA NEAR 18.4N 31.7W. MAXIMUM
SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS
WITHIN 70 NM NE QUADRANT...60 NM SE QUADRANT...50 NM SW 
QUADRANT...AND 65 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
75 NM NW SEMICIRCLE...AND 30 NM E AND SE QUADRANTS WITH SEAS TO 
15 FT.
.48 HOUR FORECAST TROPICAL STORM LISA NEAR 19.0N 32.6W. MAXIMUM
SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE WINDS
WITHIN 80 NM N SEMICIRCLE...70 NM SE QUADRANT AND 60 NM SW 
QUADRANT. SEAS 12 FT OR GREATER 90 NM NW SEMICIRCLE...60 NM E 
AND SE QUADRANTS...AND 30 NM S QUADRANT WITH SEAS TO 17 FT.
.72 HOUR FORECAST TROPICAL STORM LISA NEAR 19.8N 34.3W. MAXIMUM
SUSTAINED WINDS 55 KT GUSTS 65 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM LISA NEAR 20.5N 35.5W. MAXIMUM
SUSTAINED WINDS 50 KT GUSTS 60 KT.
.120 HOUR FORECAST TROPICAL STORM LISA NEAR 21.5N 37.0W. MAXIMUM 
SUSTAINED WINDS 45 KT GUSTS 55 KT.

.SYNOPSIS AND FORECAST.

.ATLC EXCEPT AS NOTED IN TROPICAL STORM LISA WARNING...FROM 18N 
TO 22N E OF 40W NE WINDS 20 KT. SEAS 8 TO 9 FT. ELSEWHERE FROM 
14N TO 22N E OF 50W WINDS LESS THAN 20 KT. SEAS TO 8 FT IN MIXED 
NE AND NW SWELL.
.24 HOUR FORECAST EXCEPT AS NOTED IN TROPICAL STORM LISA WARNING
...FROM 16N TO 22N E OF 40W NE WINDS TO 20 KT. SEAS 8 TO 9 FT.
.48 HOUR FORECAST EXCEPT AS NOTED IN TROPICAL STORM LISA WARNING 
...FROM 17N TO 23N E OF 40W NE WINDS 20 TO 25 KT. SEAS 8 TO 10 
FT. N OF 23N E OF 40W WINDS LESS THAN 20 KT. SEAS 8 TO 10 FT IN 
NW SWELL.

.ATLC TROUGH 31N60W TO 24N70W. N OF 29N E OF TROUGH TO 50W SW 
WINDS 20 TO 25 KT. SEAS 10 TO 16 FT IN MIXED SWELL. N OF 30N 
BETWEEN 43W AND 50W SW TO W WINDS 20 KT. SEAS 8 TO 11 FT 
PRIMARILY IN NW SWELL. ELSEWHERE NW OF LINE FROM 31N41W TO 
20N65W TO 20N70W WINDS LESS THAN 20 KT. SEAS 8 TO 16 FT IN MIXED 
SWELL...EXCEPT SW OF BAHAMA CHAIN...HIGHEST NEAR 31N65W.
.24 HOUR FORECAST OLD TROUGH DISSIPATED. NEW TROUGH 31N40W TO 
28N46W TO 27N58W. NW OF LINE FROM 30N35W TO 20N60W TO 20N70W... 
EXCEPT SW OF BAHAMA CHAIN AND ALSO W OF 78W...WINDS LESS THAN 20 
KT. SEAS 8 TO 15 FT IN MIXED SWELL...HIGHEST NEAR 31N55W.
.48 HOUR FORECAST TROUGH 31N40W TO 23N50W. N OF 28N W OF TROUGH 
TO 54W NE WINDS 20 KT. SEAS 10 TO 14 FT IN NW SWELL. FROM 17N TO 
23N BETWEEN 50W AND 76W E WINDS 20 TO 25 KT. SEAS 8 TO 11 FT. 
ELSEWHERE N OF 15N BETWEEN 40W AND 76W WINDS LESS THAN 20 KT. 
SEAS 8 TO 12 FT IN NORTHERLY SWELL.

.CARIBBEAN TROPICAL WAVE FROM 17N63W TO 11N61W. N OF 13N WITHIN 
120 NM OF TROPICAL WAVE NE TO E WINDS 20 KT. SEAS TO 8 FT. 
SCATTERED SHOWERS AND TSTMS WITHIN 180 NM OF TROPICAL WAVE. 
.24 HOUR FORECAST TROPICAL WAVE ALONG 66W. N OF 14N WITHIN 240 
NM OF TROPICAL WAVE NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
SCATTERED SHOWERS AND TSTMS WITHIN 180 NM OF TROPICAL WAVE.
.48 HOUR FORECAST TROPICAL WAVE ALONG 72W. N OF 13N WITHIN 240 
NM OF TROPICAL WAVE NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 12 FT. 
ELSEWHERE N OF 13N E OF WAVE NE TO E WINDS 20 KT. SEAS TO 8 FT. 
SCATTERED SHOWERS AND TSTMS WITHIN 210 NM OF TROPICAL WAVE.

.GULF OF MEXICO FROM 22N TO 26N E OF 90W E WINDS 20 KT. SEAS 
LESS THAN 8 FT.
.24 HOUR FORECAST FROM 22N TO 28N E OF 95W E WINDS 20 KT. SEAS 
LESS THAN 8 FT.
.48 HOUR FORECAST FROM 22N TO 27N E OF 90W E WINDS 20 KT. SEAS 
LESS THAN 8 FT.
 
.REMAINDER OF AREA WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT.

$$
.FORECASTER LEWITSKY. TROPICAL PREDICTION CENTER.