000
FZNT02 KNHC 192144
HSFAT2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC FRI AUG 19 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 FRI AUG 19.
24 HOUR FORECAST VALID 1800 UTC SAT AUG 20.
48 HOUR FORECAST VALID 1800 UTC SUN AUG 21.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM HARVEY NEAR 16.5N 84.7W 1002 MB AT 2100 UTC AUG
19 MOVING W OR 280 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 40 KT
GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 40 NM N 
SEMICIRCLE AND 0 NM S SEMICIRCLE.  SEAS 12 FT OR GREATER WITHIN 
40 NM N SEMICIRCLE AND 0 NM S SEMICIRCLE WITH SEAS TO 12 FT.
.24 HOUR FORECAST TROPICAL STORM HARVEY NEAR 17.1N 87.9W.
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE
WINDS WITHIN 75 NM N SEMICIRCLE AND 40 NM S SEMICIRCLE. SEAS 12 
FT OR GREATER WITHIN AREA OF TROPICAL STORM FORCE WINDS WITH 
SEAS TO 15 FT.
.48 HOUR FORECAST TROPICAL DEPRESSION HARVEY INLAND NEAR 18.0N 
91.9W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. SEAS LESS THAN 
12 FT.
.72 HOUR FORECAST POST TROPICAL REMNANT LOW HARVEY NEAR 18.5N 
96.0W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.

.SYNOPSIS AND FORECAST.

.ATLC LOW PRES NEAR 13.5N49W 1007 MB. WITHIN 420 NM N SEMICIRCLE 
WINDS 20 TO 25 KT. SEAS TO 11 FT. POSSIBLE TROPICAL CYCLONE 
FORMATION.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
15N55W 1004 MB. WITHIN 540 NM NE SEMICIRCLE NE TO E WINDS 20 TO 
25 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
16.5N62W 1002 MB. WITHIN 600 NM NE AND WITHIN 120 NM SW 
SEMICIRCLES WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.

.ATLC FROM 20N TO 26N E OF 40W NE WINDS 20 KT. SEAS TO 9 FT IN E 
SWELL.
.24 HOUR FORECAST WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT.

.ATLC S OF 22N W OF 72W E WINDS 20 KT. SEAS LESS THAN 8 FT.
.18 HOUR FORECAST WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT.

.CARIBBEAN EXCEPT AS NOTED IN WARNINGS...OVER WATER WITHIN 90 NM 
N AND WITHIN 30 NM S SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO 11 
FT.
.24 HOUR FORECAST EXCEPT AS NOTED WARNING...WITHIN 120 NM NE 
QUADRANT AND 75 NM S SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8 TO 12 
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 AL. NATIONAL HURRICANE CENTER.