000
FZNT02 KNHC 190952
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC SAT AUG 19 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SAT AUG 19.
24 HOUR FORECAST VALID 0600 UTC SUN AUG 20.
48 HOUR FORECAST VALID 0600 UTC MON AUG 21.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM HARVEY NEAR 13.8N 65.9W 1005 MB AT 0900 UTC AUG
19 MOVING W OR 275 DEG AT 18 KT. MAXIMUM SUSTAINED WINDS 35 KT
GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM N
SEMICIRCLE AND 0 NM S SEMICIRCLE. SEAS 12 FT OR GREATER WITHIN 
60 NM N SEMICIRCLE AND 0 NM S SEMICIRCLE WITH SEAS TO 16 FT. 
ELSEWHERE WITHIN AREA BOUNDED BY 18N69W TO 18N63W TO 13N63W TO 
13N69W TO 18N69W...INCLUDING IN ATLANTIC EXPOSURES AND PASSAGES 
AND IN MONA PASSAGE...WINDS 20 TO 33 KT. SEAS 8 TO 12 FT IN MIXED
SWELL.
.24 HOUR FORECAST TROPICAL STORM HARVEY NEAR 14.3N 72.7W. 
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. LITTLE CHANGE IN 
RADIUS OF TROPICAL STORM FORCE WINDS AND SEAS 12 FT OR GREATER.
ELSEWHERE WITHIN AREA BOUNDED BY 18N75W TO 18N69W TO
12N69W TO 12N75W TO 18N75W...INCLUDING WITHIN 90 NM OF COAST OF
COLOMBIA AND GULF OF VENEZUELA AND IN MONA PASSAGE...WINDS 20 TO
33 KT. SEAS 8 TO 12 FT IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL STORM HARVEY NEAR 15.2N 80.1W. 
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE 
WINDS WITHIN 90 NM NE QUADRANT...50 NM SE QUADRANT...40 NM SW 
QUADRANT...AND 70 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 90
NM N SEMICIRCLE WITH SEAS TO 19 FT.
.72 HOUR FORECAST TROPICAL STORM HARVEY NEAR 17.0N 86.5W. 
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM HARVEY INLAND NEAR 18.3N 90.5W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT.
.120 HOUR FORECAST TROPICAL STORM HARVEY OVER WATER NEAR 19.3N 
93.0W. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 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 WITHIN AREA BOUNDED BY 21N66W TO 21N59W TO 18N59W TO
18N66W TO 21N66W...INCLUDING IN ATLANTIC EXPOSURES AND
PASSAGES... WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN E SWELL. 
WITHIN AREA BOUNDED BY 24N59W TO 24N47W TO 15N47W TO 15N59W TO 
24N59W E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. 
.24 HOUR FORECAST WITHIN AREA BOUNDED BY 25N66W TO 25N56W TO 
19N56W TO 19N66W TO 25N66W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN
E SWELL. 
.48 HOUR FORECAST WITHIN AREA BOUNDED BY 26N72W TO 
26N67W TO 22N67W TO 22N72W TO 26N72W WINDS 20 KT OR LESS. SEAS 8 
FT IN E SWELL.

.ATLC WITHIN AREA BOUNDED BY 20N43W TO 20N35W TO 13N35W TO
13N43W TO 20N43W E WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.24 HOUR FORECAST WITHIN AREA BOUNDED BY 22N54W TO 22N41W TO
16N41W TO 16N54W TO 22N54W E WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.48 HOUR FORECAST WITHIN AREA BOUNDED BY 24N57W TO 24N47W TO
19N47W TO 19N57W TO 24N57W E WINDS 20 TO 25 KT. SEAS 8 FT.

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

CONVECTION VALID AT 0900 UTC SAT AUG 19...

.TROPICAL STORM HARVEY...NUMEROUS MODERATE TO SCATTERED STRONG
FROM 12N TO 15N BETWEEN 65W TO 70W. 

.SCATTERED MODERATE ATLC FROM 23N TO 26N BETWEEN 75W AND 78W.

.SCATTERED MODERATE ATLC FROM 18N TO 22N BETWEEN 54W AND 58W.

.SCATTERED MODERATE ISOLATED STRONG GULF OF MEXICO N OF 29N
BETWEEN 84W AND 87W. 

$$
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.