000 FZNT02 KNHC 200252 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 0430 UTC SUN SEP 20 2015 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 SUN SEP 20. 24 HOUR FORECAST VALID 0000 UTC MON SEP 21. 48 HOUR FORECAST VALID 0000 UTC TUE SEP 22. .WARNINGS. ...TROPICAL STORM WARNING... .TROPICAL STORM IDA NEAR 15.8N 42.4W 1006 MB AT 0300 UTC SEP 20 MOVING WNW OR 290 DEG AT 13 KT. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 110 NM E SEMICIRCLE...0 NM SW QUADRANT AND 40 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 120 NM NE QUADRANT...60 NM SE QUADRANT...15 NM SW QUADRANT...AND 90 NM NW QUADRANT WITH SEAS TO 15 FT. ELSEWHERE WITHIN 240 NM NE SEMICIRCLE AND 60 NM SW SEMICIRCLE WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. FROM 20N TO 27N BETWEEN 40W AND 50W E TO SE WINDS 20 TO 25 KT. SEAS 8 TO 11 FT IN MIXED NE AND SE SWELL. REMAINDER OF AREA FROM 13N TO 20N E OF 45W AND N OF 20N E OF A LINE FROM 20N51W TO 31N56W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. .24 HOUR FORECAST TROPICAL STORM IDA NEAR 17.8N 46.1W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 50 NM NE QUADRANT...40 NM SE QUADRANT...0 NM SW QUADRANT...AND 30 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 180 NM NE SEMICIRCLE AND 120 NM SW SEMICIRCLE WITH SEAS TO 18 FT. ELSEWHERE WITHIN 240 NM NE SEMICIRCLE AND 45 NM SW SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. FROM 22N TO 28N BETWEEN 44W AND 50W SE WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. REMAINDER OF AREA N OF 15N E OF A LINE FROM 15N48W TO 26N52W TO 31N52W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL. .48 HOUR FORECAST TROPICAL STORM IDA NEAR 19.8N 48.4W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM E SEMICIRCLE...40 NM SW QUADRANT AND 50 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 180 NM NE SEMICIRCLE AND 120 NM SW SEMICIRCLE WITH SEAS TO 23 FT. ELSEWHERE WITHIN 180 NM NE SEMICIRCLE AND 30 NM SW SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA N OF 17N BETWEEN 43W AND 53W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL. .72 HOUR FORECAST TROPICAL STORM IDA NEAR 19.9N 48.5W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 HOUR FORECAST TROPICAL STORM IDA NEAR 19.9N 48.5W. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. .120 HOUR FORECAST TROPICAL STORM IDA NEAR 20.3N 48.4W. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 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. .ATLC LOW PRES...REMNANTS OF TROPICAL DEPRESSION NINE...NEAR 19N50W 1008 MB. WITHIN 120 NM NE QUADRANT WINDS 20 TO 30 KT. SEAS 8 TO 9 FT. NUMEROUS MODERATE ISOLATED STRONG CONVECTION WITHIN 210 NM N QUADRANT. .24 HOUR FORECAST LOW PRES...REMNANTS OF TROPICAL DEPRESSION NINE...NEAR 20N55W 1012 MB. BETWEEN 90 NM AND 210 NM NE QUADRANT WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED NE AND SE SWELL. .48 HOUR FORECAST LOW PRES...REMNANTS OF TROPICAL DEPRESSION NINE...NEAR 20.5N55.5W 1012 MB. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .ATLC LOW PRES NEAR 30.5N77W. TROUGH FROM LOW TO 27N77W TO 24N80W. N OF 28N BETWEEN 73W AND 77W S TO SW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .24 HOUR FORECAST LOW PRES WELL N OF AREA. TROUGH FROM 31N73W TO 27N76W TO 23N78W. N OF 29N BETWEEN 69W AND 72W WINDS 20 KT OR LESS. SEAS TO 8 FT IN MIXED NE AND SW SWELL. .30 HOUR FORECAST TROUGH FROM 31N73W TO 27N76W TO 24N79W. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .CARIBBEAN 48 HOUR FORECAST FROM 11.5N TO 14N BETWEEN 69W AND 76W NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.