000 FZNT02 KNHC 240353 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 0430 UTC TUE OCT 24 2023 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 0000 UTC TUE OCT 24. 24 HOUR FORECAST VALID 0000 UTC WED OCT 25. 48 HOUR FORECAST VALID 0000 UTC THU OCT 26. .WARNINGS. ...ATLC HURRICANE WARNING... .HURRICANE TAMMY NEAR 22.9N 63.1W 987 MB AT 0300 UTC OCT 24 MOVING NE OR 045 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS WITHIN 110 NM NE QUADRANT...120 NM SE QUADRANT...40 NM SW QUADRANT...AND 70 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 150 NM N SEMICIRCLE AND 120 NM S SEMICIRCLE WITH SEAS TO 26 FT. ELSEWHERE...WITHIN 24N61W TO 25N63W TO 24N65W TO 22N65W TO 20N63W TO 21N60W TO 24N61W WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER OF AREA...WITHIN 24N60W TO 28N63W TO 28N67W TO 24N71W TO 19N63W TO 20N60W TO 24N60W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL. .24 HOUR FORECAST HURRICANE TAMMY NEAR 24.7N 60.8W. MAXIMUM SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS WITHIN 110 NM NE QUADRANT...120 NM SE QUADRANT...70 NM SW QUADRANT...AND 90 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 180 NM ALL QUADRANTS EXCEPT 150 NM SW QUADRANT WITH SEAS TO 27 FT. ELSEWHERE...WITHIN 31N57W TO 26N61W TO 31N65W TO 21N64W TO 21N60W TO 25N57W TO 31N57W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. .48 HOUR FORECAST HURRICANE TAMMY NEAR 28.5N 58.3W. MAXIMUM SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS WITHIN 180 NM N SEMICIRCLE...150 NM SE QUADRANT AND 130 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 240 NM NE QUADRANT...210 NM SE QUADRANT...330 NM SW QUADRANT...AND 360 NM NW QUADRANT WITH SEAS TO 31 FT. ELSEWHERE...WITHIN 31N54W TO 31N64W TO 24N65W TO 27N59W TO 24N55W TO 27N53W TO 31N54W WINDS 2 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER OF AREA...WITHIN 31N52W TO 31N55W TO 25N58W TO 24N65W TO 20N63W TO 23N54W TO 31N52W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN MIXED SWELL. .72 HOUR FORECAST POST-TROPICAL EXTRATROPICAL TAMMY NEAR 31.1N 59.7W. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 HOUR FORECAST POST-TROPICAL EXTRATROPICAL TAMMY NEAR 32.0N 62.0W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. .120 HOUR FORECAST POST-TROPICAL EXTRATROPICAL TAMMY NEAR 32.5N 64.0W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 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 TROPICAL DEPRESSION TWENTY-ONE NEAR 12.4N 83.4W 1007 MB AT 0300 UTC OCT 24 MOVING NW OR 310 DEG AT 4 KT. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. WITHIN 14N83W TO 13N84W TO 12N83W TO 12N82W TO 14N83W...INCLUDING WITHIN 60 NM OF COAST OF NICARAGUA...WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .12 HOUR FORECAST POST-TROPICAL REMNANT LOW TWENTY-ONE NEAR 13.1N 84.2W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. LITTLE CHANGE IN CONDITIONS. .24 HOUR FORECAST...DISSIPATED. CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE AND INTENSITY. .ATLC 03 HOUR FORECAST WITHIN 29N64W TO 31N67W TO 29N75W TO 26N77W TO 26N70W TO 29N64W...INCLUDING ATLANTIC EXPOSURES...NE WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. .24 HOUR FORECAST WITHIN 31N66W TO 31N79W TO 24N80W TO 21N65W TO 31N66W...INCLUDING ATLANTIC EXPOSURES...NE WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. .48 HOUR FORECAST WITHIN 31N66W TO 31N80W TO 24N80W TO 20N65W TO 31N66W...INCLUDING ATLANTIC EXPOSURES...NE WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. .CARIBBEAN 24 HOUR FORECAST WITHIN 20N78W TO 20N80W TO 19N79W TO 19N78W TO 20N78W NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .48 HOUR FORECAST WITHIN 20N74W TO 20N78W TO 22N81W TO 20N81W TO 19N78W TO 18N75W TO 20N74W...INCLUDING BETWEEN CUBA AND JAMAICA...NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .GULF OF MEXICO WITHIN 28N95W TO 28N96W TO 26N96W TO 26N95W TO 28N95W SE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .18 HOUR FORECAST CONDITIONS IMPROVE. .GULF OF MEXICO 24 HOUR FORECAST WITHIN 29N83W TO 30N86W TO 25N85W TO 24N84W TO 23N81W TO 25N81W TO 29N83W...INCLUDING STRAITS OF FLORIDA...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .48 HOUR FORECAST WITHIN 29N83W TO 30N93W TO 27N89W TO 23N88W TO 23N85W TO 25N81W TO 29N83W...INCLUDING STRAITS OF FLORIDA...E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER KONARIK. NATIONAL HURRICANE CENTER.