000
FZNT02 KNHC 270924
HSFAT2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL 
1030 UTC SUN AUG 27 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SUN AUG 27.
24 HOUR FORECAST VALID 0600 UTC MON AUG 28.
48 HOUR FORECAST VALID 0600 UTC TUE AUG 29.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM HARVEY NEAR 29.2N 97.7W 998 MB AT 0900 UTC AUG 
27 MOVING SSW OR 200 DEG AT 1 KT. MAXIMUM SUSTAINED WINDS 40 KT 
GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 50 NM OF CENTER 
EXCEPT 30 NM SW QUADRANT. OVER FORECAST WATERS N OF 26N W OF 93W 
SE TO S WINDS 20 TO 25 KT. SEAS TO 8 FT. 
.24 HOUR FORECAST TROPICAL DEPRESSION HARVEY INLAND NEAR 28.7N 
97.0W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. OVER FORECAST 
WATERS N OF 26N W OF 94W...AND N OF 27N BETWEEN 92W AND 94W SE 
TO S WINDS 20 TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST TROPICAL DEPRESSION HARVEY INLAND NEAR 28.5N 
96.1W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. OVER FORECAST 
WATERS N OF 26N W OF 94W S TO SW WINDS 20 TO 25 KT. SEAS TO 8 
FT. N OF 28N BETWEEN 91W AND 9E TO SE WINDS 20 TO 25 KT. SEAS 
LESS THAN 8 FT.  
.72 HOUR FORECAST TROPICAL DEPRESSION HARVEY INLAND NEAR 29.4N 
95.6W. 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 30.8N 
95.5W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.
.120 HOUR FORECAST TROPICAL DEPRESSION HARVEY INLAND NEAR 32.0N 
95.0W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 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 24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE... 
JUST N OF AREA NEAR 31N80W WITH TROUGH TO NEAR 29N81W. N OF 29N 
E OF TROUGH TO 77W S TO SW WINDS 20 TO 30 KT. SEAS BUILDING TO 8 
FT.
.48 HOUR FORECAST LOW PRES WELL N OF AREA WITH TROUGH FROM 
31N80W TO 29N81W. N OF 29N E OF TROUGH TO 76W S TO SW WINDS 20 
TO 25 KT. SEAS LESS THAN 8 FT.

.CARIBBEAN FROM 11N TO 13N BETWEEN 72W AND 77W NE TO E WINDS 20 
TO 25 KT. SEAS TO 8 FT.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.CARIBBEAN S OF 18N W OF 85W...INCLUDING GULF OF HONDURAS...E 
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.12 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 GR. NATIONAL HURRICANE CENTER.