000 FZNT02 KNHC 142140 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 2230 UTC SAT AUG 14 2021 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 1800 UTC SAT AUG 14. 24 HOUR FORECAST VALID 1800 UTC SUN AUG 15. 48 HOUR FORECAST VALID 1800 UTC MON AUG 16. .WARNINGS. ...ATLC AND CARIBBEAN TROPICAL STORM WARNING... .TROPICAL STORM GRACE NEAR 15.9N 60.7W 1010 MB AT 2100 UTC AUG 14 MOVING W OR 275 DEG AT 23 KT. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 30 NM N SEMICIRCLE AND 0 NM S SEMICIRCLE. SEAS TO 10 FT WITHIN 45 NM N SEMICIRCLE. ELSEWHERE WITHIN 16N58W TO 15N59W TO 15N61W TO 17N61W TO 18N59W TO 16N58W WINDS 20 TO 33 KT. SEAS 8 TO 10 FT. REMAINDER OF AREA WITHIN 17N57W TO 16N58W TO 17N58W TO 18N59W TO 18N57W TO 17N57W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED SWELL. .24 HOUR FORECAST TROPICAL STORM GRACE NEAR 17.1N 66.1W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 40 NM NW AND SE QUADRANTS...50 NM NE QUADRANT AND 0 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 50 NM N SEMICIRCLE WITH SEAS TO 13 FT. ELSEWHERE WITHIN 17N65W TO 16N66W TO 17N67W TO 18N67W TO 18N66W TO 17N65W WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER OF AREA WITHIN 18N64W TO 18N65W TO 19N64W TO 18N63W TO 18N64W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. .48 HOUR FORECAST TROPICAL STORM GRACE NEAR 18.3N 70.6W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 70 NM NE QUADRANT...40 NM SE QUADRANT...20 NM SW QUADRANT...AND 50 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 75 NM N SEMICIRCLE WITH SEAS TO 16 FT. ELSEWHERE WITHIN 19N68W TO 20N70W TO 20N68W TO 19N68W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. .72 HOUR FORECAST TROPICAL STORM GRACE INLAND NEAR 20.2N 75.3W. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 HOUR FORECAST TROPICAL STORM GRACE INLAND NEAR 22.4N 80.1W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. .120 HOUR FORECAST TROPICAL STORM GRACE OVER WATER NEAR 24.8N 84.3W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. ...GULF OF MEXICO TROPICAL STORM WARNING... .REMNANTS OF FRED NEAR 24.0N 84.6W 1012 MB AT 2100 UTC AUG 14 MOVING WNW OR 300 DEG AT 11 KT. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WITHIN 24N82W TO 23N83W TO 25N84W TO 26N82W TO 25N81W TO 24N82W...INCLUDING THE STRAITS OF FLORIDA... WINDS 20 TO 30 KT. SEAS TO 8 FT. .24 HOUR FORECAST TROPICAL STORM FRED NEAR 26.6N 87.1W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 50 NM E SEMICIRCLE AND 0 NM W SEMICIRCLE. SEAS TO 12 FT WITHIN 60 NM N SEMICIRCLE. ELSEWHERE WITHIN 26N86W TO 26N88W TO 27N88W TO 28N87W TO 27N85W TO 26N86W WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER OF AREA WITHIN 27N83W TO 27N85W TO 28N86W TO 29N86W TO 29N84W TO 27N83W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. .48 HOUR FORECAST TROPICAL STORM FRED NEAR 29.4N 88.2W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM E SEMICIRCLE...0 NM SW QUADRANT AND 40 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 60 NM N SEMICIRCLE AND 30 NM S SEMICIRCLE WITH SEAS TO 18 FT. ELSEWHERE WITHIN 28N88W TO 28N89W TO 30N88W TO 31N86W TO 30N85W TO 28N88W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. .72 HOUR FORECAST TROPICAL DEPRESSION FRED INLAND NEAR 32.4N 88.2W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 HOUR FORECAST POST-TROPICAL FRED NEAR 36.0N 87.5W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT. .120 HOUR FORECAST...DISSIPATED. 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. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER ERA. NATIONAL HURRICANE CENTER.