000
FZNT02 KNHC 231618
HSFAT2

HIGH SEAS FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC THU SEP 23 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC THU SEP 23.
24 HOUR FORECAST VALID 1200 UTC FRI SEP 24.
48 HOUR FORECAST VALID 1200 UTC SAT SEP 25.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL DEPRESSION LISA NEAR 17.5N 28.9W 1005 MB AT 1500 UTC
SEP 23 MOVING N OR 360 DEG AT 2 KT. MAXIMUM SUSTAINED WINDS 30 
KT GUSTS 40 KT. SEAS 12 FT OR GREATER WITHIN 30 NM OF CENTER 
WITH SEAS TO 12 FT.
.24 HOUR FORECAST TROPICAL STORM LISA NEAR 19.2N 29.6W. MAXIMUM 
SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS 
WITHIN 40 NM OF CENTER. SEAS 12 FT OR GREATER IN AREA OF 
TROPICAL STORM FORCE WINDS WITH SEAS TO 13 FT.
.48 HOUR FORECAST TROPICAL STORM LISA NEAR 20.8N 31.0W. MAXIMUM 
SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS 
WITHIN 50 NM N SEMICIRCLE AND 40 NM S SEMICIRCLE. SEAS 12 FT OR 
GREATER IN AREA OF TROPICAL STORM FORCE WINDS WITH SEAS TO 15 FT.
.72 HOUR FORECAST TROPICAL STORM NEAR 22.0N 32.2W. MAXIMUM
SUSTAINED WINDS 40 KT GUSTS 50 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM NEAR 24.2N 35.0W. MAXIMUM
SUSTAINED WINDS 35 KT GUSTS 45 KT.
.120 HOUR FORECAST POST TROPICAL REMNANT LOW NEAR 26.5N 37.5W. 
MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.

..SYNOPSIS AND FORECAST.

.ATLC EXCEPT AS NOTED IN LISA WARNING...FROM 18N TO 24N E OF 38W 
NE WINDS 20 KT. SEAS 9 TO 11 FT. ELSEWHERE FROM 13N TO 25N E OF 
40W WINDS LESS THAN 20 KT. SEAS TO 9 FT IN N TO NE SWELL.
.24 HOUR FORECAST EXCEPT AS NOTED IN LISA WARNING...LITTLE 
CHANGE.
.48 HOUR FORECAST EXCEPT AS NOTED IN LISA WARNING...LITTLE 
CHANGE.

.ATLC LOW PRES...REMNANTS OF JULIA...NEAR 31N39W 1011 MB MOVING 
SW 10 KT WITH TROUGH FROM LOW TO 31N36W TO 26N40W. N OF 28N E OF 
TROUGH S TO SW WINDS 20 KT. SEAS 8 TO 10 FT IN NW SWELL. N OF 
26N W OF TROUGH TO 50W N TO NE WINDS 20 TO 25 KT. SEAS 8 TO 15 
FT IN N SWELL...HIGHEST ALONG 31N.
.24 HOUR FORECAST LOW PRES...REMNANTS OF JULIA...NEAR 30N42W 
1012 MB WITH TROUGH FROM LOW TO 26N43W. N OF 29N E OF TROUGH TO 
37W SE TO S WINDS 20 KT. SEAS 8 TO 10 FT IN NW SWELL. N OF 28N W 
OF TROUGH TO 51W N TO NE WINDS 20 TO 25 KT. SEAS 9 TO 12 FT IN 
NE SWELL. 
.48 HOUR FORECAST LOW PRES...REMNANTS OF JULIA...DISSIPATED. 
TROUGH FROM 31N45W TO 25N47W. WITHIN 270 NM W OF TROUGH N OF 28N 
N TO NE WINDS 20 KT. SEAS TO 9 FT IN NE SWELL.

.ATLC S OF 22N W OF 71W E TO SE WINDS 20 TO 25 KT. SEAS TO 8 FT. 
ELSEWHERE FROM 15N TO 22N W OF 55W AND ELSEWHERE S OF 24N W OF 
70W E WINDS 20 KT. SEAS 8 TO 11 FT IN NE SWELL EXCEPT LESS THAN 
8 FT W OF BAHAMAS. ELSEWHERE NW OF LINE FROM 13N61W TO 13N50W TO 
30N35W EXCEPT N OF 28N W OF 68W WINDS LESS THAN 20 KT SEAS 8 TO 
11 FT IN PRIMARILY NE SWELL.
.24 HOUR FORECAST ATLC S OF 22N W OF 71W E TO SE WINDS 20 TO 25 
KT. SEAS TO 8 FT. ELSEWHERE S OF 29N W OF 65W E WINDS 20 KT. 
SEAS TO 9 FT IN NE SWELL EXCEPT LESS THAN 8 FT W OF BAHAMAS. 
ELSEWHERE N OF 13N E OF 65W EXCEPT N OF 25N W OF 54W WINDS LESS 
THAN 20 KT. SEAS 8 TO 10 FT PRIMARILY IN NE SWELL.
.48 HOUR FORECAST ELSEWHERE E OF 55W WINDS LESS THAN 20 KT. SEAS 
TO 8 FT IN PRIMARILY NE SWELL.

.CARIBBEAN LOW PRES NEAR 13N75W 1007 MB MOVING W 15 KT. WITHIN 
300 NM N QUADRANT OF LOW WINDS 25 TO 30 KT. SEAS 10 TO 14 FT IN 
E SWELL. ELSEWHERE N OF 13N E OF LOW AND FROM 14N TO 18N W OF 
LOW TO 82W E WINDS 20 TO 25 KT. SEAS 8 TO 11 FT.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR  
14N79W 1005 MB. WITHIN 90 NM N SEMICIRCLE WINDS 25 TO 30 KT. 
SEAS 9 TO 14 FT IN E SWELL. WITHIN 60 NM S SEMICIRCLE WINDS 20 
TO 25 KT. SEAS 8 TO 10 FT. ELSEWHERE FROM 14N TO 19N BETWEEN 69W 
AND 84W E WINDS 20 TO 25 KT. SEAS 8 TO 11 FT. N OF 19 E OF 83W 
NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. S OF 19N W OF 
84W INCLUDING GULF OF HONDURAS...E TO SE WINDS 20 KT. SEAS LESS 
THAN 8 FT.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
15N84W 1005 MB. WITHIN 180 NM N SEMICIRCLE WINDS 25 TO 30 KT. 
SEAS 9 TO 12 FT IN SE SWELL. WITHIN 90 NM SE AND S QUADRANTS 
WINDS 20 TO 25 KT. SEAS 8 TO 12 FT IN E SWELL. ELSEWHERE N OF 
15N W OF 78W NE TO E WINDS 20 KT. SEAS TO 8 FT.

.GULF OF MEXICO E OF 90W E TO SE WINDS TO 20 KT. SEAS LESS THAN 
8 FT.
.24 HOUR FORECAST E OF 85W S OF 25N E TO SE WINDS 20 KT. SEAS 
LESS THAN 8 FT.
.48 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 SCHAUER. TROPICAL PREDICTION CENTER.