000
FZNT02 KNHC 172154
HSFAT2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC MON JUL 17 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC MON JUL 17.
24 HOUR FORECAST VALID 1800 UTC TUE JUL 18.
48 HOUR FORECAST VALID 1800 UTC WED JUL 19.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM DON NEAR 11.2N 52.6W 1010 MB AT 2100 UTC JUL 17 
MOVING W OR 275 DEG AT 15 KT. MAXIMUM SUSTAINED WINDS 35 KT 
GUSTS 40 KT. TROPICAL STORM FORCE WINDS WITHIN 20 NM OF CENTER 
EXCEPT 0 NM SW QUADRANT. WITHIN 90 NM N SEMICIRCLE WINDS 20 TO 
33 KT. SEAS TO 9 FT. ELSEWHERE FROM 11N TO 16N BETWEEN 50W AND 
53W WINDS 20 KT OR LESS. SEAS TO 9 FT IN NE SWELL.  
.24 HOUR FORECAST TROPICAL STORM DON NEAR 11.8N 58.9W. MAXIMUM 
SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS 
WITHIN 40 NM N SEMICIRCLE...20 NM SE QUADRANT AND 0 NM SW 
QUADRANT. WITHIN 45 NM S SEMICIRCLE AND 120 NM N SEMICIRCLE 
WINDS 20 TO 33 KT. SEAS TO 10 FT.
.48 HOUR FORECAST TROPICAL STORM DON NEAR 12.2N 67.0W. MAXIMUM 
SUSTAINED WINDS 40 KT GUSTS 50 KT. LITTLE CHANGE IN RADIUS OF 
TROPICAL STORM FORCE WINDS. WITHIN 45 NM S SEMICIRCLE AND 150 NM 
N SEMICIRCLE WINDS 20 TO 33 KT. SEAS TO 10 FT.
.72 HOUR FORECAST...DISSIPATED.

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 NEAR 12N40W 1011 MB. FROM 12N TO 
14N BETWEEN 39W AND 41W WINDS 20 KT OR LESS. SEAS 8 FT IN NE 
SWELL.
.48 HOUR FORECAST LOW PRES NEAR 13.5N46W 1011 MB. FROM 14N TO 
16N BETWEEN 43W AND 46W WINDS 20 KT OR LESS. SEAS TO 9 FT IN NE 
SWELL.

.CARIBBEAN FROM 12N TO 15N BETWEEN 72W AND 79W E WINDS 20 TO 25 
KT. SEAS TO 9 FT IN NE TO E SWELL.
.12 HOUR FORECAST FROM 11N TO 15N BETWEEN 70W AND 80W... 
INCLUDING THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 25 KT. 
SEAS TO 10 FT IN NE TO E SWELL.
.24 HOUR FORECAST FROM 11N TO 15N BETWEEN 71W AND 80W NE TO E 
WINDS 20 TO 25 KT. SEAS 8 TO 10 FT IN NE TO E SWELL.
.36 HOUR FORECAST FROM 11N TO 16N BETWEEN 70W AND 79W NE TO E 
WINDS 20 TO 25 KT. SEAS 8 TO 10 FT IN NE TO E SWELL. ELSEWHERE 
FROM 11N TO 15N BETWEEN 79W AND 81W WINDS 20 KT OR LESS. SEAS TO 
9 FT IN NE TO E SWELL.
.48 HOUR FORECAST FROM 12N TO 15N BETWEEN 72W AND 80W NE TO E 
WINDS 20 TO 25 KT. SEAS TO 10 FT IN NE TO E SWELL. ELSEWHERE 
FROM 11N TO 16N BETWEEN 73W AND 81W WINDS 20 KT OE LESS. SEAS TO 
9 FT IN NE TO E SWELL.

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

$$

.FORECASTER HUFFMAN. NATIONAL HURRICANE CENTER.