000
FZNT02 KNHC 230957
HSFAT2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL       
1030 UTC WED SEP 23 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 WED SEP 23.
24 HOUR FORECAST VALID 0600 UTC THU SEP 24.
48 HOUR FORECAST VALID 0600 UTC FRI SEP 25.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM IDA NEAR 20.4N 47.2W 1005 MB AT 0900 UTC SEP 23
MOVING S OR 180 DEG AT 2 KT. MAXIMUM SUSTAINED WINDS 35 KT GUSTS
45 KT. TROPICAL STORM FORCE WINDS WITHIN 120 NM NE
QUADRANT...150 NM SE QUADRANT...0 NM SW QUADRANT...AND 40 NM NW
QUADRANT. SEAS 12 FT OR GREATER WITHIN 150 NM N SEMICIRCLE...90 
NM SE QUADRANT AND 60 NM SW QUADRANT WITH SEAS TO 15 FT. 
ELSEWHERE WITHIN 210 NM NW QUADRANT...180 NM E SEMICIRCLE...AND 
120 NM SW QUADRANT WINDS 20 TO 33 KT. SEAS 9 TO 12 FT. REMAINDER 
OF AREA N OF 23N BETWEEN 45W AND 53W WINDS 20 KT OR LESS. SEAS 
TO 9 FT IN MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM IDA NEAR 20.5N 45.8W. MAXIMUM
SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS
WITHIN 120 NM NE QUADRANT...130 NM SE QUADRANT...0 NM SW
QUADRANT...AND 40 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
180 NM NE SEMICIRCLE WITH SEAS TO 14 FT. ELSEWHERE WITHIN 180 NM 
NE AND 150 NM SW SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST TROPICAL STORM IDA NEAR 21.7N 45.9W. MAXIMUM
SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS
WITHIN 100 NM NE QUADRANT...110 NM SE QUADRANT...0 NM SW
QUADRANT...AND 30 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
180 NM NE QUADRANTS WITH SEAS TO 14 FT. ELSEWHERE WITHIN 270 NM 
NE AND 150 NM SW SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.72 HOUR FORECAST TROPICAL STORM IDA NEAR 23.0N 47.0W. 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 25.0N 47.5W. MAXIMUM
SUSTAINED WINDS 45 KT GUSTS 55 KT.
.120 HOUR FORECAST TROPICAL STORM IDA NEAR 26.0N 47.0W. 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 S OF 14N BETWEEN 68W AND 72W NE TO E WINDS 20 TO 25 
KT. SEAS TO 8 FT.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.36 HOUR FORECAST FROM 11N TO 14N BETWEEN 68W AND 73W WINDS 20 
KT OR LESS. SEAS TO 8 FT IN NE TO E SWELL.
.48 HOUR FORECAST LITTLE CHANGE.

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

.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.