000
FZNT02 KNHC 191517
HSFAT2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL                     
1630 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC SAT SEP 19.
24 HOUR FORECAST VALID 1200 UTC SUN SEP 20.
48 HOUR FORECAST VALID 1200 UTC MON SEP 21.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM IDA NEAR 14.8N 39.7W 1006 MB AT 1500 UTC SEP 19 
MOVING WNW 295 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 
45 KT. TROPICAL STORM FORCE WINDS WITHIN 30 NM NE...20 NM SE...0 
NM SW AND 20 NM NW QUADRANTS. SEAS 12 FT OR GREATER WITHIN 80 NM 
NE...60 NM SE...0 NM SW AND 50 NM NW QUADRANTS WITH SEAS TO 14 
FT. ELSEWHERE WITHIN 120 NM NE AND 75 NM SW SEMICIRCLES WINDS 20 
TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA FROM 14N TO 22N E 
OF 42W WINDS 20 KT OR LESS. SEAS TO 9 FT IN E SWELL.
.24 HOUR FORECAST TROPICAL STORM IDA NEAR 16.9N 43.4W. MAXIMUM 
SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS 
WITHIN 50 NM N SEMICIRCLE...40 NM SE AND 30 NM SW QUADRANTS. 
SEAS 12 FT OR GREATER WITHIN 120 NM N AND 60 NM S SEMICIRCLES 
WITH SEAS TO 19 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 15N TO 28N BETWEEN 39W AND 50W WINDS 20 KT OR LESS. 
SEAS 8 TO 11 FT IN E SWELL.
.48 HOUR FORECAST TROPICAL STORM IDA NEAR 19.3N 46.5W. MAXIMUM 
SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE WINDS 
WITHIN 80 NM NE...60 NM SE...50 NM SW AND 70 NM NW QUADRANTS. 
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 
SEMICIRCLES WINDS 20 TO 33 KT. SEAS 9 TO 12 FT. REMAINDER OF 
AREA FROM 16N TO 29N BETWEEN 42W AND 52W WINDS 20 KT OR LESS. 
SEAS 8 TO 11 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 47.0W. MAXIMUM 
SUSTAINED WINDS 60 KT GUSTS 75 KT.
.120 HOUR FORECAST TROPICAL STORM IDA NEAR 20.5N 46.5W. 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 18.4N 49.8W 1007 MB AT 1500 UTC 
SEP 19 MOVING WNW 285 DEG AT 5 KT. MAXIMUM SUSTAINED WINDS 25 KT 
GUSTS 35 KT. WITHIN 45 NM NE QUADRANT WINDS 20 TO 25 KT. SEAS TO 
8 FT.
.24 HOUR FORECAST POST-TROPICAL REMNANT LOW NINE NEAR 19.4N 
52.5W. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.36 HOUR FORECAST ...DISSIPATED. 

.ATLC TROUGH FROM LOW PRES NEAR 31N77W 1007 MB TO 26N79W. N OF 
29N BETWEEN 70W AND 73W S WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST TROUGH FROM 31N76W TO 27N79W. 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.