000
FZNT02 KNHC 220939
HSFAT2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL                     
1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC TUE SEP 22.
24 HOUR FORECAST VALID 0600 UTC WED SEP 23.
48 HOUR FORECAST VALID 0600 UTC THU SEP 24.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM IDA NEAR 21.3N 48.6W 1005 MB AT 0900 UTC SEP 22 
MOVING ESE OR 105 DEG AT 4 KT. MAXIMUM SUSTAINED WINDS 40 KT 
GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 150 NM NE 
QUADRANT...180 NM SE QUADRANT...0 NM SW QUADRANT...AND 40 NM NW 
QUADRANT.  SEAS 12 FT OR GREATER WITHIN 210 NM NE QUADRANT...120 
NM SE QUADRANT...90 NM SW QUADRANT...AND 150 NM NW QUADRANT WITH 
SEAS TO 19 FT. ELSEWHERE WITHIN 210 NW AND 240 NM SE SEMICIRCLES 
WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER OF AREA N OF 17N 
BETWEEN 43W AND 55W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN 
MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM IDA NEAR 20.9N 47.3W. MAXIMUM 
SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS 
WITHIN 140 NM NE QUADRANT...180 NM SE QUADRANT...0 NM SW 
QUADRANT...AND 40 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
180 NM N AND 60 NM S SEMICIRCLE WITH SEAS TO 17 FT. ELSEWHERE 
WITHIN 210 NM OF CENTER WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. 
REMAINDER OF AREA N OF 16.5N BETWEEN 40W AND 60W WINDS 20 KT OR 
LESS. SEAS 8 TO 10 FT IN MIXED SWELL. 
.48 HOUR FORECAST TROPICAL STORM IDA NEAR 20.8N 46.4W. MAXIMUM 
SUSTAINED WINDS 40 KT GUSTS 50 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 180 NM N AND 75 NM S 
SEMICIRCLE WITH SEAS TO 19 FT. ELSEWHERE WITHIN 210 NM NW AND 
270 NM SE SEMICIRCLES WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. 
REMAINDER OF AREA FROM 15N TO 29N BETWEEN 40W AND 55W WINDS 20 
KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.72 HOUR FORECAST TROPICAL STORM IDA NEAR 22.0N 46.7W. 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 23.0N 48.0W. MAXIMUM 
SUSTAINED WINDS 45 KT GUSTS 55 KT.
.120 HOUR FORECAST TROPICAL STORM IDA NEAR 25.2N 48.5W. 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 18 HOUR FORECAST S OF 14N BETWEEN 69W AND 73W E WINDS 
20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST FROM 11.5N TO 14.5N BETWEEN 69W 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.
.48 HOUR FORECAST S OF 14N BETWEEN 68W AND 72W WINDS 20 KT OR 
LESS. SEAS 8 FT IN E SWELL.

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

.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.