000
FZNT02 KNHC 181618
HSFAT2

HIGH SEAS FORECAST                                              
NWS NATIONAL HURRICANE CENTER MIAMI FL 
1630 UTC TUE AUG 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 TUE AUG 18.
24 HOUR FORECAST VALID 1200 UTC WED AUG 19.
48 HOUR FORECAST VALID 1200 UTC THU AUG 20.

.WARNINGS.

...ATLC TROPICAL STORM WARNING...
.TROPICAL DEPRESSION FOUR NEAR 10.6N 36.5W AT 1500 UTC AUG 18 
MOVING W OR 280 DEG AT 11 KT. MAXIMUM SUSTAINED WINDS 30 KT 
GUSTS 40 KT. WITHIN 90 NM OF CENTER EXCEPT 30 NM SW QUADRANT 
WINDS 20 TO 30 KT. SEAS TO 10 FT. ELSEWHERE S OF 13N E OF 38W 
WINDS 20 KT OR LESS. SEAS TO 9 FT IN SE SWELL.
.24 HOUR FORECAST TROPICAL STORM FOUR NEAR 11.3N 39.5W. MAXIMUM 
SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS 
WITH 40 NM NE...40 NM SE...0 NM SW AND 30 NM NW QUADRANTS. SEAS 
12 FT OR GREATER WITHIN 45 NM N SEMICIRCLE WITH SEAS TO 15 FT. 
ELSEWHERE WITHIN 120 NM OF CENTER EXCEPT 45 NM SW QUADRANT WINDS 
20 TO 33 KT. SEAS 8 TO 11 FT. REMAINDER AREA S OF 14N BETWEEN 
36W AND 41W WINDS 20 KT OR LESS. SEAS TO 10 FT IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL STORM FOUR NEAR 12.1N 41.9W. MAXIMUM 
SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE WINDS 
WITH 60 NM NE...50 NM SE...40 NM SW AND 50 NM NW QUADRANTS. SEAS 
12 FT OR GREATER WITHIN 90 NM NE AND 60 NM SW SEMICIRCLES WITH 
SEAS TO 22 FT. ELSEWHERE WITHIN 180 NM OF CENTER EXCEPT 120 NM 
SW QUADRANT WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.72 HOUR FORECAST HURRICANE FOUR NEAR 13.2N 44.2W. MAXIMUM 
SUSTAINED WINDS 70 KT GUSTS 85 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE FOUR NEAR 13.7N 47.8W. MAXIMUM 
SUSTAINED WINDS 80 KT GUSTS 100 KT.
.120 HOUR FORECAST HURRICANE FOUR NEAR 14.0N 52.4W. MAXIMUM 
SUSTAINED WINDS 85 KT GUSTS 105 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. 

.CARIBBEAN FROM 11N TO 13.5N BETWEEN 74W AND 78W NE TO E WINDS 
20 TO 25 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST FROM 11N TO 14N BETWEEN 71W AND 78W NE TO E 
WINDS 20 TO 25 KT. SEAS TO 9 FT.
.48 HOUR FORECAST FROM 11N TO 13.5N BETWEEN 72W AND 77W NE TO E 
WINDS 25 TO 30 KT. SEAS TO 11 FT. ELSEWHERE FROM 11N TO 16N 
BETWEEN 70W AND 80W NE TO E WINDS 20 TO 25 KT. SEAS TO 9 FT.

.CARIBBEAN 36 HOUR FORECAST S OF 17.5N W OF 85W...INCLUDING THE 
GULF OF HONDURAS...E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

.GULF OF MEXICO 36 HOUR FORECAST FROM 20N TO 22.5N BETWEEN 87.5N 
AND 91W NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 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 MUNDELL. NATIONAL HURRICANE CENTER.