000
FZNT02 KNHC 130245
HSFAT2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL 
0430 UTC TUE SEP 13 2016

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC TUE SEP 13.
24 HOUR FORECAST VALID 0000 UTC WED SEP 14.
48 HOUR FORECAST VALID 0000 UTC THU SEP 15.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM IAN NEAR 23.5N 51.5W 1005 MB AT 0300 UTC SEP 13
MOVING NNW OR 330 DEG AT 11 KT. MAXIMUM SUSTAINED WINDS 40 KT
GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 200 NM NE
QUADRANT...140 NM SE QUADRANT...0 NM SW QUADRANT...AND 120 NM NW
QUADRANT. SEAS 12 FT OR GREATER WITHIN 240 NM NE QUADRANT...210
NM SE QUADRANT...120 NM SW QUADRANT...AND 150 NM NW QUADRANT
WITH SEAS TO 21 FT. ELSEWHERE WITHIN 300 NM SE AND 210 NM NW
SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO 11 FT. REMAINDER OF
AREA FROM 17N TO 28.5N BETWEEN 46W AND 58.5W WINDS 20 KT OR
LESS. SEAS 8 TO 11 FT IN MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM IAN NEAR 26.9N 53.4W. MAXIMUM
SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS
WITHIN 120 NM NW AND SE QUADRANTS...200 NM NE QUADRANT AND 0 NM
SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 210 NM E SEMICIRCLE...
90 NM SW QUADRANT...AND 150 NM NW QUADRANT WITH SEAS TO 21 FT.
ELSEWHERE WITHIN 300 NM NE SEMICIRCLE...180 NM NW AND 90 NM SW
QUADRANTS WIND 20 TO 33 KT. SEAS 8 TO 11 FT. REMAINDER OF
FORECAST WATERS N OF 22.5N BETWEEN 47W AND 60W WINDS 20 KT OR
LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL STORM IAN NEAR 31.8N 54.0W. MAXIMUM
SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS
WITHIN 180 NM NE QUADRANT...80 NM SE QUADRANT...30 NM SW
QUADRANT...AND 100 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN
240 NM NE...270 NM SE...90 NM SW...AND 120 NM NW QUADRANTS WITH
SEAS TO 20 FT. ELSEWHERE OVER FORECAST WATERS WITHIN 420 NM SE
AND 120 NM SW QUADRANTS WINDS 20 TO 33 KT. SEAS 9 TO 11 FT.
REMAINDER OF AREA N OF 27N BETWEEN 47W AND 58W WINDS 20 KT OR
LESS. SEAS 8 TO 9 FT IN MIXED SWELL. 
.72 HOUR FORECAST TROPICAL STORM IAN NEAR 38.0N 49.7W. MAXIMUM
SUSTAINED WINDS 50 KT GUSTS 60 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM IAN NEAR 48.0N 38.0W. MAXIMUM
SUSTAINED WINDS 50 KT GUSTS 60 KT.
.120 HOUR FORECAST POST-TROPICAL EXTRATROPICAL IAN NEAR 56.5N
25.2W. 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.

.LOW PRES NEAR 26N79W 1012 MB MOVING NW 10 KT. WITHIN 120 NM NE
QUADRANT SE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. SCATTERED TO
NUMEROUS MODERATE TO STRONG TSTMS WITHIN 150 NM E SEMICIRCLE OF
LOW.
.24 HOUR FORECAST LOW TO MOVE WELL INLAND AND DISSIPATE. FROM
28N TO 31N W OF 79.5W SE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. 
.36 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT. 

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

$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.