000
FZNT02 KNHC 290920
HSFAT2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL 
1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC TUE AUG 29.
24 HOUR FORECAST VALID 0600 UTC WED AUG 30.
48 HOUR FORECAST VALID 0600 UTC THU AUG 31.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM HARVEY NEAR 28.1N 94.8W 997 MB AT 0900 UTC AUG 
29 MOVING E OR 090 DEG AT 3 KT. MAXIMUM SUSTAINED WINDS 40 KT 
GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 150 NM E 
SEMICIRCLE AND 60 NM W SEMICIRCLE. SEAS 12 FT OR GREATER WITHIN 
90 NM S SEMICIRCLE...60 NM NE QUADRANT AND 0 NM NW QUADRANT WITH 
SEAS TO 13 FT. ELSEWHERE N OF 25N W OF 92W WINDS 20 TO 33 KT. 
SEAS 8 TO 12 FT. 
.24 HOUR FORECAST TROPICAL STORM HARVEY NEAR 28.8N 93.9W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE 
WINDS WITHIN 60 NM W SEMICIRCLE...140 NM NE QUADRANT AND 120 NM 
SE QUADRANT. SEAS 12 FT OR GREATER WITHIN 120 NM SE SEMICIRCLE 
WITH SEAS TO 13 FT. ELSEWHERE N OF 25N W OF 88W WINDS 20 TO 33 
KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST TROPICAL STORM HARVEY INLAND NEAR 31.1N 92.7W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE 
WINDS WITHIN 60 NM NE AND SW QUADRANTS...0 NM NW QUADRANT AND 
100 NM SE QUADRANT. SEAS TO 10 FT. ELSEWHERE N OF 27N BETWEEN 
88W AND 94W WINDS 20 TO 33 KT. SEAS 8 TO 10 FT. 
.72 HOUR FORECAST TROPICAL DEPRESSION HARVEY INLAND NEAR 33.7N 
90.7W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST-TROPICAL HARVEY NEAR 36.0N 87.5W. MAXIMUM 
SUSTAINED WINDS 25 KT GUSTS 35 KT.
.120 HOUR FORECAST POST-TROPICAL HARVEY NEAR 37.5N 83.5W.
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 POTENTIAL TROPICAL CYCLONE TEN N OF AREA NEAR 33.5N 78.5W 
1006 MB AT 0900 UTC AUG 29 MOVING NE OR 045 DEG AT 10 KT. TROUGH 
EXTENDS FROM POTENTIAL TROPICAL CYCLONE TEN TO 31N80W TO 29N81W. 
N OF 29N E OF TROUGH TO 76W S TO SW WINDS 20 TO 25 KT. SEAS 8 TO 
9 FT.
.24 HOUR FORECAST POST-TROPICAL EXTRATROPICAL TEN WELL N OF 
AREA. OVER FORECAST WATERS WINDS 20 KT OR LESS. SEAS LESS THAN 8 
FT. 

.ATLC 42 HOUR FORECAST S OF 21N BETWEEN 70W AND 73W E WINDS 20 
TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LITTLE CAHNGE.

.CARIBBEAN 24 HOUR FORECAST FROM 11.5N TO 14N BETWEEN 69W AND 
73W...INCLUDING THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 25 
KT. SEAS LESS THAN 8 FT.
.42 HOUR FORECAST FROM 11N TO 13.5N BETWEEN 69W AND 74W... 
INCLUDING THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 25 KT. 
SEAS LESS THAN 8 FT.
.48 HOUR FORECAST FROM 11N TO 15N BETWEEN 70W AND 76W... 
INCLUDING THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 25 KT. 
SEAS BUILDING TO 8 FT.

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

$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.