000 FZNT02 KNHC 271543 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1630 UTC THU AUG 27 2015 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 THU AUG 27. 24 HOUR FORECAST VALID 1200 UTC FRI AUG 28. 48 HOUR FORECAST VALID 1200 UTC SAT AUG 29. .WARNINGS. ...TROPICAL STORM WARNING... .TROPICAL STORM ERIKA NEAR 16.4N 63.3W 1006 MB AT 1500 UTC AUG 27 MOVING W OR 270 DEG AT 14 KT. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 90 NM E SEMICIRCLE AND 0 NM W SEMICIRCLE. SEAS 12 FT OR GREATER WITHIN 180 NM NE QUADRANT WITH SEAS TO 16 FT. ELSEWHERE WITHIN 270 NM NE SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. .24 HOUR FORECAST TROPICAL STORM ERIKA NEAR 18.8N 67.8W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. LITTLE CHANGE IN RADIUS OF TROPICAL STORM FORCE WINDS AND SEAS 12 FT OR GREATER. ELSEWHERE WITHIN 270 NM N SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. .48 HOUR FORECAST TROPICAL STORM ERIKA NEAR 21.4N 73.1W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 90 NM E SEMICIRCLE...0 NM SW QUADRANT AND 30 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 90 NM N SEMICIRCLE WITH SEAS TO 20 FT. ELSEWHERE WITHIN 270 NM NW QUADRANT...180 NM NE QUADRANT AND 60 NM S SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. .72 HOUR FORECAST TROPICAL STORM ERIKA NEAR 23.9N 77.1W. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 HOUR FORECAST HURRICANE ERIKA NEAR 26.5N 79.5W. MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT. .120 HOUR FORECAST HURRICANE ERIKA NEAR 28.5N 80.0W. MAXIMUM SUSTAINED WINDS 75 KT GUSTS 90 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 42 HOUR FORECAST FROM 12.5N TO 15N BETWEEN 69W AND 72W E WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. .48 HOUR FORECAST FROM 13N TO 14.5N BETWEEN 70W AND 73W WINDS 20 KT OR LESS. SEAS 8 FT IN E SWELL. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.