000
FZNT02 KNHC 291503
HSFAT2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL 
1630 UTC TUE AUG 29 2017

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 TUE AUG 29.
24 HOUR FORECAST VALID 1200 UTC WED AUG 30.
48 HOUR FORECAST VALID 1200 UTC THU AUG 31.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM HARVEY NEAR 28.4N 94.3W 997 MB AT 1500 UTC AUG 
29 MOVING NNE OR 025 DEG AT 4 KT. MAXIMUM SUSTAINED WINDS 40 KT 
GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 140 NM E 
SEMICIRCLE AND 60 NM W SEMICIRCLE.  SEAS 12 FT OR GREATER WITHIN 
30 NM OF CENTER EXCEPT 0 NM NW QUADRANT WITH SEAS TO 12 FT. 
ELSEWHERE N OF 25N W OF 90W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. 
.24 HOUR FORECAST TROPICAL STORM HARVEY INLAND NEAR 29.8N 93.4W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE 
WINDS WITHIN 120 NM E SEMICIRCLE AND 40 NM W SEMICIRCLE. 
ELSEWHERE OVER FORECAST WATERS N OF 26N W OF 88W WINDS 20 TO 33 
KT. SEAS 8 TO 11 FT.
.48 HOUR FORECAST TROPICAL DEPRESSION HARVEY INLAND NEAR 32.0N 
92.0W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. ELSEWHERE N OF 
28N BETWEEN 90W AND 94W WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. 
.72 HOUR FORECAST POST-TROPICAL HARVEY NEAR 34.5N 89.5W. MAXIMUM 
SUSTAINED WINDS 25 KT GUSTS 35 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST-TROPICAL HARVEY NEAR 36.5N 86.0W. MAXIMUM 
SUSTAINED WINDS 25 KT GUSTS 35 KT.
.120 HOUR FORECAST POST-TROPICAL HARVEY NEAR 38.5N 81.0W.
MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT.

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE 
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE 
AND INTENSITY.

.SYNOPSIS AND FORECAST.

.ATLC N OF 30N BETWEEN 75W AND 78W SW WINDS 20 TO 25 KT. SEAS TO 
8 FT. 
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. 

.ATLC 36 HOUR FORECAST S OF 21N BETWEEN 70W AND 73W E WINDS 20 
TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.ATLC 48 HOUR FORECAST FROM 18N TO 21N E OF 37W WINDS 20 KT OR 
LESS. SEAS TO 9 FT IN E SWELL. 

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

$$
.FORECASTER AL. NATIONAL HURRICANE CENTER.