000
FZNT02 KNHC 270246
HSFAT2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL 
0430 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC SUN AUG 27.
24 HOUR FORECAST VALID 0000 UTC MON AUG 28.
48 HOUR FORECAST VALID 0000 UTC TUE AUG 29.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM HARVEY NEAR 29.3N 97.3W 994 MB AT 0300 UTC AUG 
27 MOVING ENE OR 060 DEG AT 1 KT. MAXIMUM SUSTAINED WINDS 45 KT 
GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 50 NM N 
SEMICIRCLE...100 NM SE QUADRANT AND 30 NM SW QUADRANT. SEAS TO 
10 FT. ELSEWHERE N OF 27N W OF 93W WINDS 20 TO 33 KT. SEAS TO 9 
FT. 
.24 HOUR FORECAST TROPICAL DEPRESSION HARVEY INLAND NEAR 28.9N 
97.3W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. N OF 27N W OF 
95W SE WINDS 20 TO 25 KT. SEAS TO 9 FT.
.48 HOUR FORECAST TROPICAL DEPRESSION HARVEY INLAND NEAR 28.4N 
96.8W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. N OF 26N W OF 
94W WINDS 20 TO 30 KT. SEAS TO 10 FT. 
.72 HOUR FORECAST TROPICAL DEPRESSION HARVEY INLAND NEAR 29.0N 
96.5W. 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 30.0N 
96.5W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
.120 HOUR FORECAST TROPICAL DEPRESSION HARVEY INLAND NEAR 31.0N 
96.5W. 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 36 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE... 
JUST N OF AREA NEAR 32N79W WITH TROUGH TO NEAR 29N81W. N OF 30N 
E OF TROUGH TO 77W S TO SW WINDS 20 TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LOW PRES WELL N OF AREA. WINDS 20 KT OR LESS. 
SEAS LESS THAN 8 FT.

.CARIBBEAN FROM 11N TO 13.5N BETWEEN 72W AND 77W...INCLUDING 
WITHIN 90 NM OF COAST OF COLOMBIA...NE TO E WINDS 20 TO 25 KT. 
SEAS TO 8 FT.
.18 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 LATTO. NATIONAL HURRICANE CENTER.