000 FZNT02 KNHC 180957 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1030 UTC SUN SEP 18 2022 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 0600 UTC SUN SEP 18. 24 HOUR FORECAST VALID 0600 UTC MON SEP 19. 48 HOUR FORECAST VALID 0600 UTC TUE SEP 20. .WARNINGS. ...ATLC AND CARIBBEAN HURRICANE WARNING... .TROPICAL STORM FIONA NEAR 17.1N 65.8W 994 MB AT 0900 UTC SEP 18 MOVING WNW OR 290 DEG AT 7 KT. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 110 NM NE QUADRANT...120 NM SE QUADRANT...30 NM SW QUADRANT...AND 80 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 90 NM E SEMICIRCLE AND 60 NM W SEMICIRCLE WITH SEAS TO 21 FT. ELSEWHERE WITHIN 180 NM NE QUADRANT...300 NM SE QUADRANT...120 NM SW QUADRANT AND 210 NM NW QUADRANT...INCLUDING THE MONA PASSAGE AND ATLC PASSAGES...WINDS 20 TO 33 KT. SEAS 10 TO 17 FT. REMAINDER OF AREA FROM 15N TO 23N BETWEEN 62W AND 70W...INCLUDING ATLC PASSAGES...WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. .12 HOUR FORECAST HURRICANE FIONA NEAR 17.8N 66.9W. MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT. .24 HOUR FORECAST HURRICANE FIONA NEAR NEAR 18.7N 68.0W. MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS WITHIN 120 NM E SEMICIRCLE...40 NM SW QUADRANT AND 100 NM NW QUADRANT. SEAS 12 FT OR GREATER OVER FORECAST WATERS WITHIN 120 NM OF CENTER WITH SEAS TO 25 FT. ELSEWHERE WITHIN 240 NM NE SEMICIRCLE AND 180 NM SW SEMICIRCLE OF CENTER...INCLUDING ATLC PASSAGES... WINDS 20 TO 33 KT. SEAS 11 TO 18 FT. REMAINDER OF AREA OVER FORECAST WATERS FROM 15N TO 24N BETWEEN 64W AND 71W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. .48 HOUR FORECAST HURRICANE FIONA NEAR 21.2N 69.8W. MAXIMUM SUSTAINED WINDS 80 KT GUSTS 100 KT. TROPICAL STORM FORCE WINDS WITHIN 130 NM E SEMICIRCLE...60 NM SW QUADRANT AND 110 NM NW QUADRANT. LITTLE CHANGE IN RADIUS OF SEAS 12 FT OR GREATER WITH SEAS TO 30 FT. ELSEWHERE WITHIN 270 NM NE SEMICIRCLE AND 150 NM SW SEMICIRCLE OF CENTER WINDS 20 TO 33 KT. SEAS 11 TO 19 FT. REMAINDER OF AREA FROM 18N TO 25N BETWEEN 65W AND 72W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. .72 HOUR FORECAST HURRICANE FIONA NEAR 23.9N 70.7W. MAXIMUM SUSTAINED WINDS 90 KT GUSTS 110 KT. EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 HOUR FORECAST HURRICANE FIONA NEAR 27.5N 70.0W. MAXIMUM SUSTAINED WINDS 95 KT GUSTS 115 KT. .120 HOUR FORECAST HURRICANE FIONA NEAR 33.0N 66.0W. MAXIMUM SUSTAINED WINDS 95 KT GUSTS 115 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. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.