000
FZNT02 KNHC 180253
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC WED SEP 18 2013

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 WED SEP 18.
24 HOUR FORECAST VALID 0000 UTC THU SEP 19.
48 HOUR FORECAST VALID 0000 UTC FRI SEP 20.
 
.WARNINGS.
...ATLANTIC TROPICAL STORM WARNING...
.TROPICAL STORM HUMBERTO NEAR 30.8N 43.3W 1007 MB AT 0300 UTC
SEP 18 MOVING NNW OR 345 DEG AT 6 KT. MAXIMUM SUSTAINED WINDS 35
KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM OF CENTER
EXCEPT 120 NM NE QUADRANT.  SEAS 12 FT OR GREATER WITHIN 180 NM
NE QUADRANT...45 NM SE QUADRANT...60 NM SW QUADRANT...AND 120 NM 
NW QUADRANT WITH SEAS TO 17 FT. ELSEWHERE OVER FORECAST WATERS 
WITHIN 240 NM OF CENTER WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST TROPICAL STORM HUMBERTO NEAR 32.8N 43.4W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE
WINDS WITHIN 0 NM W SEMICIRCLE...120 NM NE QUADRANT AND 40 NM SE 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 180 NM NE QUADRANT...45 
NM SE QUADRANT...30 NM SW QUADRANT...AND 90 NM NW QUADRANT WITH 
SEAS TO SEAS TO 18 FT. ELSEWHERE OVER FORECAST WATERS WITHIN 240 
NM OF CENTER WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST TROPICAL STORM HUMBERTO NEAR 36.3N 41.2W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE
WINDS WITHIN 50 NM W SEMICIRCLE...120 NM NE QUADRANT AND 60 NM 
SE QUADRANT. SEAS 12 FT OR GREATER WITHIN 150 NM NE 
QUADRANT...45 NM SE QUADRANT...30 NM SW QUADRANT...AND 90 NM NW 
QUADRANT WITH SEAS TO 20 FT. ELSEWHERE CONDITIONS SHIFT N OF 
AREA.
.72 HOUR FORECAST POST-TROPICAL EXTRATROPICAL HUMBERTO NEAR
43.0N 35.0W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST-TROPICAL EXTRATROPICAL HUMBERTO NEAR
54.5N 24.5W. 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 18 HOUR FORECAST N OF 30N W OF 75W WINDS 20 KT OR LESS.
SEAS TO 8 FT IN E SWELL.
.24 HOUR FORECAST N OF 30N W OF 77W WINDS 20 KT OR LESS.
SEAS TO 8 FT IN E SWELL. 
.30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.CARIBBEAN AND GULF OF MEXICO LOW PRES INLAND NEAR 19N89W 1004 MB.
FROM 19N TO 23N BETWEEN 84W AND 88W...INCLUDING THE YUCATAN CHANNEL
...E TO SE WINDS 20 TO 25 KT. SEAS TO 9 FT. SCATTERED TSTMS FROM
19N TO 22N BETWEEN 81W AND 85W. 
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...20N92W
1004 MB. FROM 20N TO 25N BETWEEN 85W AND 89W...INCLUDING THE YUCATAN
CHANNEL...SE WINDS 20 TO 25 KT. SEAS TO 10 FT.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...22N95W
1004 MB. WITHIN 270 NM NE SEMICIRCLE OF LOW E TO E WINDS 20 TO 
25 KT. SEAS TO 8 FT.

.CARIBBEAN FROM 11N TO 14N BETWEEN 69W AND 74W NE TO E WINDS 20
TO 25 KT. SEAS TO 8 FT IN E SWELL. 
.18 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 NELSON. NATIONAL HURRICANE CENTER.