000
FZNT02 KNHC 220253
HSFAT2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL                     
0430 UTC TUE SEP 22 2015

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 22. 
24 HOUR FORECAST VALID 0000 UTC WED SEP 23. 
48 HOUR FORECAST VALID 0000 UTC THU SEP 24.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM IDA NEAR 21.7N 49.5W 1005 MB AT 0300 UTC SEP 22 
MOVING NNW OR 340 DEG AT 4 KT. MAXIMUM SUSTAINED WINDS 40 KT 
GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 150 NM NE...180 
NM SE...0 NM SW AND 40 NM NW QUADRANTS. SEAS 12 FT OR GREATER 
WITHIN 200 NM NE...120 NM SE...80 NM SW AND 160 NM NW QUADRANTS 
WITH SEAS TO 20 FT. ELSEWHERE FROM 18N TO 25N BETWEEN 44W AND 
50W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER AREA N OF 20N 
BETWEEN 44W AND 54W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN 
MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM IDA NEAR 21.5N 48.4W. MAXIMUM 
SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS 
WITHIN 140 NM NE...180 NM SE...0 NM SW AND 40 NM NW QUADRANTS. 
SEAS 12 FT OR GREATER WITHIN 200 NM NE...120 NM SE...75 NM SW 
AND 150 NM NW QUADRANTS WITH SEAS TO 19 FT. ELSEWHERE WITHIN 240 
NM OF CENTER EXCEPT 75 NM SW QUADRANT WINDS 20 TO 33 KT. SEAS 8 
TO 12 FT. REMAINDER AREA FROM 18N T0 28N BETWEEN 44W AND 53W 
WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL STORM IDA NEAR 20.9N 46.9W. MAXIMUM 
SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS 
WITHIN 0 NM W SEMICIRCLE...120 NM NE QUADRANT AND 190 NM SE 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 150 NM NE...120 NM 
SE...90 NM SW AND 120 NM NW QUADRANTS WITH SEAS TO 18 FT. 
ELSEWHERE WITHIN 240 NM NE AND 90 NM SW SEMICIRCLES WINDS 20 TO 
33 KT. SEAS 8 TO 12 FT. REMAINDER AREA FROM 18N TO 24N BETWEEN 
43W AND 51W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL.
.72 HOUR FORECAST TROPICAL STORM IDA NEAR 22.3N 47.1W. MAXIMUM 
SUSTAINED WINDS 40 KT GUSTS 50 KT. 
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM IDA NEAR 24.4N 48.2W. MAXIMUM 
SUSTAINED WINDS 45 KT GUSTS 55 KT.
.120 HOUR FORECAST TROPICAL STORM IDA NEAR 26.2N 48.9W. 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. 

.ATLC WITHIN 90 NM E OF A LINE FROM 31N52W TO 27N49W SE WINDS 20 
TO 25 KT. SEAS 8 TO 10 FT. 
.24 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 MUNDELL. NATIONAL HURRICANE CENTER.