000
FZNT02 KNHC 261457
HSFAT2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL 
1630 UTC SAT AUG 26 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SAT AUG 26.
24 HOUR FORECAST VALID 1200 UTC SUN AUG 27.
48 HOUR FORECAST VALID 1200 UTC MON AUG 28.

.WARNINGS.

...TROPICAL STORM WARNING...
.HURRICANE HARVEY INLAND NEAR 28.9N 97.3W 984 MB AT 1500 UTC AUG 
26 MOVING N OR 350 DEG AT 2 KT. MAXIMUM SUSTAINED WINDS 65 KT 
GUSTS 80 KT. TROPICAL STORM FORCE WINDS WITHIN 70 NM W 
SEMICIRCLE...120 NM NE QUADRANT AND 100 NM SE QUADRANT.  SEAS 12 
FT OR GREATER WITHIN 0 NM W SEMICIRCLE...150 NM NE QUADRANT AND 
120 NM SE QUADRANT WITH SEAS TO 15 FT. ELSEWHERE OVER FORECAST 
WATERS N OF 26N W OF 92W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.12 HOUR FORECAST TROPICAL STORM HARVEY INLAND NEAR 29.1N 97.4W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT.  TROPICAL STORM FORCE 
WINDS WITHIN 50 NM W AND 100 NM E SEMICIRCLES. OVER FORECAST 
WATERS N OF 27N W OF 93W SE WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. 
.24 HOUR FORECAST TROPICAL STORM HARVEY INLAND NEAR 29.2N 97.5W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE 
WINDS WITHIN 30 NM W SEMICIRCLE...70 NM NE QUADRANT AND 80 NM SE 
QUADRANT. OVER FORECAST WATERS N OF 27N W OF 95W WINDS 20 TO 30 
KT. SEAS 8 TO 10 FT.  
.48 HOUR FORECAST TROPICAL DEPRESSION HARVEY INLAND NEAR 28.7N 
97.0W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. OVER FORECAST 
WATERS N OF 27N W OF 95W SE TO S WINDS 20 TO 25 KT. SEAS TO 8 FT.
.72 HOUR FORECAST TROPICAL DEPRESSION HARVEY INLAND NEAR 28.7N 
96.7W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL DEPRESSION HARVEY INLAND NEAR 29.5N 
96.7W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
.120 HOUR FORECAST TROPICAL DEPRESSION HARVEY INLAND NEAR 30.5N 
96.5W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 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 36 HOUR FORECAST LOW PRES JUST N OF AREA NEAR 31.5N80W 
WITH TROUGH TO NEAR 29N81W. N OF 29N E OF TROUGH TO 78W S WINDS 
20 TO 25 KT. SEAS LESS THAN 8 FT. N OF 30N W OF TROUGH N WINDS 
20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST TROUGH FROM 31N79W TO 29N81W. N OF 30N BETWEEN 
77W AND 78.5W S TO SW WINDS 20 TO 25 KT. SEAS TO 8 FT. 

.CARIBBEAN FROM 11N TO 13.5N BETWEEN 74W AND 77W...INCLUDING THE 
GULF OF VENEZUELA...NE TO E WINDS 20 TO 25 KT. SEAS TO 9 FT.
.24 HOUR FORECAST FROM 11N TO 12.5N BETWEEN 74W AND 77W NE TO E 
WINDS 20 TO 25 KT. SEAS TO 8 FT.
.30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.CARIBBEAN S OF 18.5N BETWEEN 86W AND 88W...INCLUDING GULF OF 
HONDURAS...E TO SE WINDS 20 TO 25 KT. SEAS TO 8 FT.
.06 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.12 HOUR FORECAST S OF 18N W OF 85W...INCLUDING GULF OF 
HONDURAS...E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

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

$$
.FORECASTER AL. NATIONAL HURRICANE CENTER.