000
FZNT02 KNHC 190254
HSFAT2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL                     
0430 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC SAT SEP 19.
24 HOUR FORECAST VALID 0000 UTC SUN SEP 20.
48 HOUR FORECAST VALID 0000 UTC MON SEP 21.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM IDA NEAR 13.7N 37.5W 1006 MB AT 0300 UTC SEP 19 
MOVING NW OR 305 DEG AT 6 KT. MAXIMUM SUSTAINED WINDS 35 KT 
GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 30 NM N 
SEMICIRCLE...20 NM SE QUADRANT AND 0 NM SW QUADRANT. ELSEWHERE 
WITHIN 90 NM NE AND 30 NM SW SEMICIRCLES WINDS 20 TO 33 KT. SEAS 
8 TO 10 FT. 
.24 HOUR FORECAST TROPICAL STORM IDA NEAR 15.8N 40.9W. MAXIMUM 
SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS 
WITHIN 50 NM E SEMICIRCLE...0 NM SW QUADRANT AND 40 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN AREA OF TROPICAL STORM 
FORCE WINDS WITH SEAS TO 13 FT. ELSEWHERE WITHIN 120 NM NE AND 
45 NM SW SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO 11 FT. 
.48 HOUR FORECAST TROPICAL STORM IDA NEAR 18.1N 45.0W. MAXIMUM 
SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS 
WITHIN 60 NM NW AND SE QUADRANTS...70 NM NE QUADRANT AND 40 NM 
SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 120 NM NE AND 45 NM SW 
SEMICIRCLES WITH SEAS TO 17 FT. ELSEWHERE WITHIN 180 NM NE AND 
75 NM SW SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO 11 FT. 
REMAINDER AREA FROM 16N TO 28N BETWEEN 40W AND 50W WINDS 20 KT 
OR LESS. SEAS TO 11 FT IN E SWELL. 
.72 HOUR FORECAST TROPICAL STORM IDA NEAR 20.1N 47.4W. 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 20.7N 48.0W. MAXIMUM 
SUSTAINED WINDS 55 KT GUSTS 65 KT.
.120 HOUR FORECAST TROPICAL STORM IDA NEAR 20.3N 47.8W. 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 18.3N 48.3W 1007 MB AT 0300 UTC 
SEP 19 MOVING WNW OR 300 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 25 
KT GUSTS 35 KT. WITHIN 120 NM NE QUADRANT WINDS 20 TO 25 KT. 
SEAS TO 10 FT.
.24 HOUR FORECAST POST-TROPICAL REMNANT LOW NINE NEAR 19.4N 
51.0W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT. WITHIN 75 NM 
NE QUADRANT WINDS 20 KT OR LESS. SEAS TO 8 FT.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW NINE NEAR 20.5N 
54.0W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT. SEAS LESS THAN 
8 FT.
.72 HOUR FORECAST...DISSIPATED.

.ATLC 24 HOUR FORECAST TROUGH FROM 31N78W TO 29N80W. N OF 28N 
WITHIN 120 NM E OF TROUGH SW WINDS 20 TO 25 KT. SEAS LESS THAN 8 
FT.
.48 HOUR FORECAST TROUGH FROM 31N74W TO 26N78W. N OF 28N WITHIN 
90 NM E OF TROUGH SW WINDS 20 TO 25 KT. SEAS TO 8 FT.
 
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.FORECASTER MUNDELL. NATIONAL HURRICANE CENTER.