000
FZNT02 KNHC 131601
HSFAT2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL 
1630 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC TUE SEP 13.
24 HOUR FORECAST VALID 1200 UTC WED SEP 14.
48 HOUR FORECAST VALID 1200 UTC THU SEP 15.

.WARNINGS.

...ATLC TROPICAL STORM WARNING...
.TROPICAL STORM IAN NEAR 25.4N 52.3W 1005 MB AT 1500 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 180 NM NW QUADRANT
WITH SEAS TO 20 FT. ELSEWHERE WITHIN 270 NM N SEMICIRCLE AND 180
NM SE QUADRANT AND 90 NM SW QUADRANT WINDS 20 TO 33 KT. SEAS 8
TO 11 FT. REMAINDER OF AREA FROM 20N TO 30N BETWEEN 46W AND 58W
WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM IAN NEAR 29.9N 53.7W. MAXIMUM
SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS
WITHIN 120 NM NW AND SE QUADRANTS...180 NM NE QUADRANT AND 0 NM
SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 210 NM E SEMICIRCLE...
120 NM SW QUADRANT...AND 180 NM NW QUADRANT WITH SEAS TO 22 FT.
ELSEWHERE WITHIN 210 NM N SEMICIRCLE...270 NM NM SE QUADRANT AND
120 NM SW QUADRANT WINDS 20 TO 33 KT. SEAS 8 TO 11 FT. REMAINDER
OF AREA N OF 24N BETWEEN 47W AND 59W WINDS 20 KT OR LESS. SEAS 8
TO 10 FT IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL STORM IAN N OF AREA NEAR 35.5N 52.5W.
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE
WINDS WITHIN 100 NM NW AND SE QUADRANTS...150 NM NE QUADRANT AND
50 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 240 NM NE
QUADRANT...180 NM SE QUADRANT...120 NM SW QUADRANT AND 180 NM NW
QUADRANT WITH SEAS TO 22 FT. ELSEWHERE WITHIN 210 NM N
SEMICIRCLE...270 NM NM SE QUADRANT AND 120 NM SW QUADRANT WINDS
20 TO 33 KT. SEAS 8 TO 11 FT. REMAINDER OF FORECAST WATERS N OF
29N BETWEEN 47W AND 55W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN
MIXED SWELL.
.72 HOUR FORECAST TROPICAL STORM IAN NEAR 44.0N 42.4W. MAXIMUM
SUSTAINED WINDS 50 KT GUSTS 60 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST-TROPICAL EXTRATROPICAL IAN NEAR 54.0N
28.0W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT.
.120 HOUR FORECAST POST-TROPICAL EXTRATROPICAL IAN NEAR 62.0N
13.0W. 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.

.LOW PRES NEAR 28N81W 1011 MB. WITHIN 180 NM NE SEMICIRCLE SE
WINDS 20 TO 25 KT. SEAS TO 8 FT. NUMEROUS TSTMS WITHIN 240 NM E
SEMICIRCLE OF LOW.
.06 HOUR FORECAST LOW PRES INLAND NEAR 28.5N81.5W 1012 MB. FROM
28N TO 31N W OF 80W SE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. 
.12 HOUR FORECAST LOW PRES INLAND NEAR 29N82W 1012 MB. N OF 29N
W OF 80W SE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.18 HOUR FORECAST LOW PRES INLAND NEAR 29.5N82.5W 1012 MB. WINDS
20 KT OR LESS. SEAS LESS THAN 8 FT. 

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

$$
.FORECASTER MCELROY. NATIONAL HURRICANE CENTER.