000
FZNT02 KNHC 170848
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC TUE SEP 17 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 0600 UTC TUE SEP 17.
24 HOUR FORECAST VALID 0600 UTC WED SEP 18.
48 HOUR FORECAST VALID 0600 UTC THU SEP 19.
 
.WARNINGS.

...ATLANTIC TROPICAL STORM WARNING...
.TROPICAL STORM HUMBERTO NEAR 27.8N 42.7W 1007 MB AT 0900 UTC 
SEP 17 MOVING NNE OR 020 DEG AT 4 KT. MAXIMUM SUSTAINED WINDS 35 
KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM OF CENTER 
EXCEPT 150 NM NE QUADRANT.  SEAS 12 FT OR GREATER WITHIN 0 NM OF 
CENTER EXCEPT 180 NM NE QUADRANT WITH SEAS TO 14 FT. ELSEWHERE 
OVER FORECAST WATERS WITHIN 270 NM NE AND 60 NM SW SEMICIRCLES 
WINDS 20 TO 33 KT. SEAS 8 TO 11 FT. REMAINDER OF AREA N OF 25N 
BETWEEN 40W AND 48W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN 
MIXED SWELL. 
.24 HOUR FORECAST TROPICAL STORM HUMBERTO NEAR 29.8N 44.0W. 
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 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 150 NM NE AND 40 NM SE 
QUADRANTS AND 0 NM W SEMICIRCLE WITH SEAS TO 14 FT. ELSEWHERE 
OVER FORECAST WATERS WITHIN 240 NM E AND 90 NM W SEMICIRCLES 
WINDS 20 TO 33 KT. SEAS 8 TO 11 FT. REMAINDER AREA N OF 28N 
BETWEEN 38W AND 48W WINDS 20 KT OR LESS. SEAS TO 9 FT IN 
MIXED SWELL.
.48 HOUR FORECAST TROPICAL STORM HUMBERTO NEAR 31.9N 43.5W. 
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE 
WINDS WITHIN 130 NM NE QUADRANT...70 NM SE QUADRANT...50 NM SW 
QUADRANT...AND 80 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
150 NM NE...70 NM SE...50 NM SW AND 80 NM NW QUADRANTS WITH SEAS 
TO 15 FT. OVER FORECAST WATERS N OF 29N BETWEEN 39W AND 44W S TO 
SW WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.
.72 HOUR FORECAST TROPICAL STORM HUMBERTO NEAR 35.5N 40.5W. 
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. 
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST-TROPICAL EXTRATROPICAL HUMBERTO NEAR 
45.0N 33.0W. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT.
.120 HOUR FORECAST POST-TROPICAL EXTRATROPICAL HUMBERTO NEAR 
54.0N 26.5W. 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.

.CARIBBEAN FROM 12N TO 17N BETWEEN 68W AND 77W E WINDS 20 KT OR 
LESS. SEAS TO 9 FT IN E SWELL. 
.24 HOUR FORECAST FROM 12N TO 15N BETWEEN 70W AND 75W WINDS 20 
KT OR LESS. SEAS TO 8 FT IN E SWELL.
.36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. 

.CARIBBEAN FROM 17N TO 20N W OF 85W E TO SE WINDS 20 TO 30 KT. 
SEAS TO 8 FT.
.24 HOUR FORECAST N OF 20N W OF 82W...INCLUDING THE YUCATAN 
CHANNEL E TO SE WINDS 20 TO 25 KT. SEAS TO 9 FT.
.48 HOUR FORECAST N OF 17N W OF 85W...INCLUDING THE YUCATAN 
CHANNEL E TO SE WINDS 20 TO 25 KT. SEAS TO 8 FT.

.GULF OF MEXICO FROM 21N TO 23N BETWEEN 88W AND 92W E WINDS 20 
TO 25 KT. SEAS LESS THAN 8 FT. 
.24 HOUR FORECAST TROUGH FROM 26N89W TO 19N91.5W. FROM 21N TO 
23N E OF 91W E WINDS 20 TO 25 KT. SEAS TO 9 FT. 
.48 HOUR FORECAST TROUGH FROM 26N91W TO 18.5N94W WITH LOW PRES 
ALONG TROUGH NEAR 20N93W 1006 MB. FROM 22N TO 26N E OF TROUGH TO 
86W SE WINDS 20 TO 25 KT. SEAS TO 9 FT.

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

$$
.FORECASTER AL. NATIONAL HURRICANE CENTER.