000
FZNT02 KNHC 190939
HSFAT2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL                     
1030 UTC SAT SEP 19 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SAT SEP 19.
24 HOUR FORECAST VALID 0600 UTC SUN SEP 20.
48 HOUR FORECAST VALID 0600 UTC MON SEP 21.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM IDA NEAR 14.4N 38.5W 1006 MB AT 0900 UTC SEP 19 
MOVING NW OR 305 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS 35 KT 
GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 20 NM NW AND SE 
QUADRANTS...30 NM NE QUADRANT AND 0 NM SW QUADRANT.  SEAS 12 FT 
OR GREATER WITHIN 60 NM N SEMICIRCLE AND 0 NM S SEMICIRCLE WITH 
SEAS TO 13 FT. ELSEWHERE WITHIN 120 NM NE AND 75 NM SW 
SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA 
FROM 15N TO 24N E OF 41W WINDS 20 KT OR LESS. SEAS TO 9 FT IN E 
SWELL.
.24 HOUR FORECAST TROPICAL STORM IDA NEAR 16.5N 42.2W. MAXIMUM 
SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS 
WITHIN 40 NM NW AND SE QUADRANTS...50 NM NE QUADRANT AND 20 NM 
SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 120 NM N SEMICIRCLE 
AND 30 NM SW QUADRANT WITH SEAS TO 18 FT. ELSEWHERE WITHIN 180 
NM N AND 90 NM S SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. 
REMAINDER OF AREA FROM 19N TO 29N E OF 50W WINDS 20 KT OR LESS. 
SEAS 8 TO 11 FT IN E SWELL.
.48 HOUR FORECAST TROPICAL STORM IDA NEAR 18.9N 45.6W. MAXIMUM 
SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE WINDS 
WITHIN 60 NM NW AND SE QUADRANTS...80 NM NE QUADRANT AND 40 NM 
SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 180 NM N AND 75 NM S 
SEMICIRCLES WITH SEAS TO 25 FT. ELSEWHERE WITHIN 210 NM N AND 90 
NM S SEMICIRCLE WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER 
OF AREA FROM 15N TO 29N BETWEEN 40W AND 50W WINDS 20 KT OR LESS. 
SEAS 8 TO 10 FT PRIMARILY IN E SWELL.
.72 HOUR FORECAST TROPICAL STORM IDA NEAR 20.5N 47.5W. MAXIMUM 
SUSTAINED WINDS 60 KT GUSTS 75 KT. 
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM IDA NEAR 20.5N 47.5W. MAXIMUM 
SUSTAINED WINDS 55 KT GUSTS 65 KT.
.120 HOUR FORECAST TROPICAL STORM IDA NEAR 20.5N 47.5W. MAXIMUM 
SUSTAINED WINDS 55 KT GUSTS 65 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. 

.TROPICAL DEPRESSION NINE NEAR 18.5N 49.4W 1007 MB AT 0900 UTC 
SEP 19 MOVING WNW OR 290 DEG AT 10 KT. FROM 29N TO 23N BETWEEN 
46W AND 49W SE WINDS 20 TO 25 KT GUSTS TO 35 KT. SEAS 8 FT. 
.24 HOUR FORECAST POST-TROPICAL REMNANT LOW NINE NEAR 19.5N 
52.1W. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW NINE NEAR 20.9N 
55.1W. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.72 HOUR FORECAST...DISSIPATED. 

.ATLC TROUGH FROM LOW PRES NEAR 31N78W 1008 MB TO 28N80W. N OF 
29N BETWEEN 70W AND 73W SE WINDS 20 TO 25 KT. SEAS LESS THAN 8 
FT.
.06 HOUR FORECAST TROUGH FROM LOW PRES NEAR 31N77W 1008 MB TO 
27N80W. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST TROUGH FROM 31N77W TO 27N79W. WINDS 20 KT OR 
LESS. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST TROUGH FROM 31N74W TO 25N80W. WINDS 20 KT OR 
LESS. SEAS LESS THAN 8 FT.
 
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.