000 FZNT02 KNHC 200935 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1030 UTC FRI OCT 20 2023 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 FRI OCT 20. 24 HOUR FORECAST VALID 0600 UTC SAT OCT 21. 48 HOUR FORECAST VALID 0600 UTC SUN OCT 22. .WARNINGS. ...ATLC AND CARIBBEAN HURRICANE WARNING... .TROPICAL STORM TAMMY NEAR 14.0N 58.3W 1000 MB AT 0900 UTC OCT 20 MOVING WNW OR 290 DEG AT 7 KT. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 110 NM NE QUADRANT...120 NM SE QUADRANT...0 NM SW QUADRANT...AND 80 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 270 NM NE QUADRANT...150 NM SE QUADRANT...90 NM SW QUADRANT...AND 330 NM NW QUADRANT WITH SEAS TO 21 FT. ELSEWHERE...WITHIN 22N54W TO 25N59W TO 24N66W TO 13N61W TO 12N55W TO 14N51W TO 22N54W...INCLUDING IN ATLANTIC EXPOSURES AND PASSAGES...WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. .24 HOUR FORECAST TROPICAL STORM TAMMY NEAR 15.9N 60.7W. MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE WINDS WITHIN 110 NM E SEMICIRCLE...30 NM SW QUADRANT AND 60 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 270 NM N SEMICIRCLE...210 NM SE QUADRANT...AND 120 NM SW QUADRANT WITH SEAS TO 23 FT. ELSEWHERE...WITHIN 18N57W TO 20N60W TO 19N62W TO 16N61W TO 15N60W TO 15N57W TO 18N57W...INCLUDING IN ATLANTIC EXPOSURES AND PASSAGES...WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER OF AREA... WITHIN 23N55W TO 28N62W TO 25N66W TO 21N66W TO 14N60W TO 14N56W TO 23N55W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL. .36 HOUR FORECAST HURRICANE TAMMY NEAR 17.3N 61.8W. MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS WITHIN 110 NM E SEMICIRCLE...30 NM SW QUADRANT AND 60 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 270 NM N SEMICIRCLE...240 NM SE QUADRANT...AND 120 NM SW QUADRANT WITH SEAS TO 23 FT. ELSEWHERE...WITHIN 21N59W TO 20N62W TO 18N63W TO 16N61W TO 16N60W TO 17N58W TO 21N59W...INCLUDING IN ATLANTIC EXPOSURES AND PASSAGES...WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER OF AREA...WITHIN 24N57W TO 25N60W TO 24N66W TO 19N65W TO 16N62W TO 16N58W TO 24N57W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL. .48 HOUR FORECAST HURRICANE TAMMY NEAR 18.8N 62.6W. MAXIMUM SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM NE QUADRANT...110 NM SE QUADRANT...30 NM SW QUADRANT...AND 60 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 270 NM N SEMICIRCLE...240 NM SE QUADRANT...AND 120 NM SW QUADRANT WITH SEAS TO 23 FT. ELSEWHERE...WITHIN 22N60W TO 21N63W TO 19N63W TO 18N62W TO 18N60W TO 19N58W TO 22N60W...INCLUDING IN ATLANTIC EXPOSURES AND PASSAGES...WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER OF AREA...WITHIN 23N58W TO 25N60W TO 25N65W TO 20N66W TO 17N63W TO 17N59W TO 23N58W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN MIXED SWELL. .72 HOUR FORECAST HURRICANE TAMMY NEAR 21.7N 63.4W. MAXIMUM SUSTAINED WINDS 80 KT GUSTS 100 KT. EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 HOUR FORECAST HURRICANE TAMMY NEAR 24.3N 61.9W. MAXIMUM SUSTAINED WINDS 80 KT GUSTS 100 KT. .120 HOUR FORECAST HURRICANE TAMMY NEAR 27.8N 58.8W. 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. .ATLC 09 HOUR FORECAST NEW COLD FRONT FROM 31N72W TO 25N75W. WITHIN 31N65W TO 31N68W TO 30N67W TO 29N66W TO 30N65W TO 31N65W SE TO S WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .24 HOUR FORECAST COLD FRONT FROM 31N70W TO 24N75W. WITHIN 31N61W TO 31N69W TO 27N68W TO 26N67W TO 27N63W TO 31N61W S WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. .48 HOUR FORECAST STATIONARY FRONT FROM 31N65W TO 24N69W. WITHIN 31N60W TO 31N75W TO 29N74W TO 27N71W TO 29N64W TO 31N60W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN W SWELL. .ATLC 15 HOUR FORECAST WITHIN 31N77W TO 31N78W TO 31N80W TO 30N80W TO 30N79W TO 31N77W SW TO W WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .24 HOUR FORECAST WITHIN 31N69W TO 31N80W TO 28N79W TO 28N77W TO 29N71W TO 31N69W W WINDS 20 TO 30 KT. SEAS TO 8 FT. .48 HOUR FORECAST CONDITIONS MERGED WITH AREA DESCRIBED ABOVE. .ATLC 27 HOUR FORECAST WITHIN 31N35W TO 31N36W TO 30N36W TO 30N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN N SWELL. .48 HOUR FORECAST WITHIN 31N35W TO 31N37W TO 29N36W TO 28N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN N SWELL. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER KONARIK. NATIONAL HURRICANE CENTER.