000
FZNT02 KNHC 130245
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC SUN AUG 13 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 13.
24 HOUR FORECAST VALID 0000 UTC MON AUG 14.
48 HOUR FORECAST VALID 0000 UTC TUE AUG 15.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL DEPRESSION EIGHT NEAR 25.3N 70.3W 1011 MB AT 0300 UTC 
AUG 13 MOVING NNW OR 330 DEG AT 11 KT. MAXIMUM SUSTAINED WINDS 
30 KT GUSTS 40 KT. WITHIN 150 NM E SEMICIRCLE WINDS 20 TO 30 KT. 
SEAS TO 9 FT.
.24 HOUR FORECAST TROPICAL STORM EIGHT NEAR 29.0N 71.9W. MAXIMUM 
SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS 
WITHIN 60 NM E SEMICIRCLE...20 NM SW QUADRANT AND 40 NM NW 
QUADRANT. ELSEWHERE WITHIN 150 NM E AND 60 NM W SEMICIRCLES 
WINDS 20 TO 33 KT. SEAS 8 TO 11 FT.
.48 HOUR FORECAST TROPICAL STORM EIGHT N OF AREA NEAR 32.2N 
71.4W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM 
FORCE WINDS WITHIN 80 NM E SEMICIRCLE...40 NM SW QUADRANT AND 60 
NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 45 NM E SEMICIRCLE 
WITH SEAS TO 13 FT. ELSEWHERE OVER FORECAST WATERS WITHIN 150 NM 
SE SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8 TO 11 FT.
.72 HOUR FORECAST TROPICAL STORM EIGHT NEAR 36.2N 66.9W. MAXIMUM 
SUSTAINED WINDS 55 KT GUSTS 65 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST-TROPICAL EXTRATROPICAL EIGHT NEAR 41.5N 
54.5W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT.
.120 HOUR FORECAST POST-TROPICAL EXTRATROPICAL EIGHT NEAR 45.5N 
39.0W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 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 FROM 20N TO 21N BETWEEN 39W AND 41W WINDS 
20 KT OR LESS. SEAS 8 FT IN NE SWELL. 
.48 HOUR FORECAST FROM 18N TO 21N BETWEEN 43W AND 48W WINDS 20 
KT OR LESS. SEAS 8 FT IN NE SWELL. 

.CARIBBEAN S OF 12.5N BETWEEN 69W AND 74W...INCLUDING THE GULF 
OF VENEZUELA...NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST FROM 11N TO 13.5N BETWEEN 73W AND 77W NE WINDS 
20 TO 30 KT. SEAS 8 TO 10 FT.
.48 HOUR FORECAST FROM 11N TO 14N BETWEEN 75W AND 79W NE WINDS 
20 TO 25 KT. SEAS 8 TO 9 FT.

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

$$
.FORECASTER MUNDELL. NATIONAL HURRICANE CENTER.