000
FZNT02 KNHC 271615
HSFAT2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL 
1630 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC SUN AUG 27.
24 HOUR FORECAST VALID 1200 UTC MON AUG 28.
48 HOUR FORECAST VALID 1200 UTC TUE AUG 29.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM HARVEY NEAR 29.0N 97.4W 1000 MB AT 1500 UTC AUG
27 MOVING SSE OR 160 DEG AT 2 KT. MAXIMUM SUSTAINED WINDS 35 KT
GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 150 NM NE
QUADRANT...60 NM SE QUADRANT...0 NM SW QUADRANT...AND 30 NM NW
QUADRANT. OVER FORECAST WATERS N OF 26N W OF 93W SE TO S WINDS
20 TO 33 KT. SEAS TO 8 FT.  
.24 HOUR FORECAST TROPICAL STORM HARVEY INLAND NEAR 28.4N 96.8W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE
WINDS WITHIN 0 NM W SEMICIRCLE...120 NM NE QUADRANT AND 60 NM SE 
QUADRANT. OVER FORECAST WATERS WITHIN 240 NM E SEMICIRCLE WINDS 
20 TO 25 KT. SEAS 8 TO 11 FT.
.48 HOUR FORECAST TROPICAL STORM HARVEY OVER WATER NEAR 28.2N
96.0W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM
FORCE WINDS WITHIN 0 NM W SEMICIRCLE...120 NM NE QUADRANT AND 90 
NM SE QUADRANT. OVER FORECAST WATERS WITHIN 180 NM NE 
QUADRANT...AND 240 NM SE QUADRANT WINDS 20 TO 25 KT. SEAS 8 TO 
13 FT.  
.72 HOUR FORECAST TROPICAL STORM HARVEY INLAND NEAR 29.3N 95.7W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL DEPRESSION HARVEY INLAND NEAR 30.9N
95.5W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
.120 HOUR FORECAST TROPICAL DEPRESSION HARVEY INLAND NEAR 32.2N
95.1W. 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 
31N79W TO 29N81W. N OF 29N E OF TROUGH TO 76W S TO SW WINDS 20 
TO 25 KT. SEAS LESS THAN 8 FT.

.CARIBBEAN S OF 18N BETWEEN 72W AND 79W 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 MT. NATIONAL HURRICANE CENTER.