000
FZNT02 KNHC 181500
HSFAT2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL                     
1630 UTC FRI SEP 18 2015

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 FRI SEP 18.
24 HOUR FORECAST VALID 1200 UTC SAT SEP 19.
48 HOUR FORECAST VALID 1200 UTC SUN SEP 20.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL DEPRESSION TEN NEAR 13.1N 36.7W 1009 MB AT 1500 UTC 
SEP 18 MOVING WNW OR 285 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 25 
KT GUSTS 35 KT. WITHIN 60 NM N SEMICIRCLE WINDS 20 TO 25 KT. 
SEAS TO 8 FT. 
.24 HOUR FORECAST TROPICAL DEPRESSION TEN NEAR 14.2N 39.0W. 
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WITHIN 120 NM NE AND 
30 NM SW SEMICIRCLES WINDS 20 TO 30 KT. SEAS TO 9 FT. ELSEWHERE 
FROM 15N TO 22N E OF 43W WINDS 20 KT OR LESS. SEAS 8 FT IN E 
SWELL.
.48 HOUR FORECAST TROPICAL STORM TEN NEAR 16.4N 43.0W. MAXIMUM 
SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS 
WITHIN 50 NM NW AND SE QUADRANTS...60 NM NE QUADRANT AND 0 NM SW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 60 NM OF CENTER...EXCEPT 
30 NM SW QUADRANT WITH SEAS TO 14 FT. ELSEWHERE WITHIN 120 NM NE 
AND 60 NM SW SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8 TO 11 FT. 
REMAINDER AREA FROM 15N TO 29N BETWEEN 38W AND 50W WINDS 20 KT 
OR LESS. SEAS 8 TO 10 FT IN E SWELL. 
.72 HOUR FORECAST TROPICAL STORM TEN NEAR 18.3N 46.4W. MAXIMUM 
SUSTAINED WINDS 45 KT GUSTS 55 KT. EXTENDED OUTLOOK...USE FOR 
GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM TEN NEAR 19.5N 48.0W. MAXIMUM 
SUSTAINED WINDS 50 KT GUSTS 60 KT.
.120 HOUR FORECAST TROPICAL STORM TEN NEAR 20.0N 49.0W. MAXIMUM 
SUSTAINED WINDS 50 KT GUSTS 60 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. 

.TROPICAL DEPRESSION NINE NEAR 17.7N 47.1W 1007 MB AT 1500 UTC 
SEP 18 MOVING WNW OR 295 DEG AT 7 KT. MAXIMUM SUSTAINED WINDS 25 
KT GUSTS 35 KT. WITHIN 120 NM NE QUADRANT WINDS 20 TO 25 KT. 
SEAS TO 9 FT.   
.24 HOUR FORECAST POST-TROPICAL REMNANT LOW NINE NEAR 18.9N 
49.7W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT. WITHIN 75 NM 
NE QUADRANT WINDS 20 KT OR LESS. SEAS 8 FT.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW NINE NEAR 20.4N 
52.9W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT. SEAS LESS THAN 
8 FT.
.72 HOUR FORECAST POST-TROPICAL REMNANT LOW NINE NEAR 21.5N 
55.5W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT. EXTENDED 
OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE 
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE 
AND INTENSITY.

.ATLC 24 HOUR FORECAST TROUGH FROM 31N78W TO 39N80W. N OF 28N 
WITHIN 120 NM E OF TROUGH SE WINDS 20 TO 25 KT. SEAS LESS THAN 8 
FT.
.48 HOUR FORECAST TROUGH FROM 31N75W TO 27N77W. N OF 28N WITHIN 
90 NM E OF TROUGH SE WINDS 20 TO 25 KT. SEAS TO 8 FT. N OF 30N W 
OF TROUGH TO 77W NW WINDS 20 TO 25 KT. SEAS TO 8 FT. 
 
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.FORECASTER AL. NATIONAL HURRICANE CENTER.