000 FZNT02 KNHC 240949 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1030 UTC TUE OCT 24 2023 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 0600 UTC TUE OCT 24. 24 HOUR FORECAST VALID 0600 UTC WED OCT 25. 48 HOUR FORECAST VALID 0600 UTC THU OCT 26. .WARNINGS. ...ATLC HURRICANE WARNING... .HURRICANE TAMMY NEAR 23.7N 62.8W 987 MB AT 0900 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 25 FT. ELSEWHERE...WITHIN 25N60W TO 26N62W TO 25N65W TO 22N65W TO 20N61W TO 21N60W TO 25N60W WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER OF AREA... WITHIN 27N61W TO 30N65W TO 21N65W TO 20N62W TO 21N60W TO 24N59W TO 27N61W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL. .24 HOUR FORECAST HURRICANE TAMMY NEAR 25.9N 60.3W. MAXIMUM SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS WITHIN 130 NM NE QUADRANT...120 NM SE QUADRANT...70 NM SW QUADRANT...AND 110 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 29N57W TO 28N61W TO 31N64W TO 21N64W TO 22N57W TO 25N55W TO 29N57W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. .48 HOUR FORECAST HURRICANE TAMMY NEAR 29.5N 58.9W. MAXIMUM SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS WITHIN 170 NM N SEMICIRCLE...150 NM SE QUADRANT AND 100 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 29N52W TO 31N53W TO 31N64W TO 25N64W TO 26N59W TO 25N54W TO 29N52W WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER OF AREA...WITHIN 31N51W TO 31N54W TO 26N58W TO 25N64W TO 20N64W TO 23N54W TO 31N51W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN MIXED SWELL. .60 HOUR FORECAST POST-TROPICAL EXTRATROPICAL TAMMY NEAR 31.0N 59.7W. MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. .72 HOUR FORECAST POST-TROPICAL EXTRATROPICAL TAMMY NEAR 31.7N 60.9W. 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 32.4N 62.8W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. .120 HOUR FORECAST POST-TROPICAL EXTRATROPICAL TAMMY NEAR 32.8N 64.8W. 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 13.1N 84.0W 1007 MB AT 0900 UTC OCT 24 MOVING NW OR 310 DEG AT 5 KT. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. WITHIN 14N83W TO 13N83W TO 12N83W TO 13N82W TO 14N83W...INCLUDING WITHIN 60 NM OF COAST OF NICARAGUA...E TO SE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .12 HOUR FORECAST POST-TROPICAL REMNANT LOW TWENTY-ONE NEAR 13.2N 84.8W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. OVER FORECAST WATERS...CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .24 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. .ATLC WITHIN 31N66W TO 30N70W TO 27N75W TO 22N70W TO 22N66W TO 31N66W NE WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. .24 HOUR FORECAST WITHIN 31N66W TO 30N81W TO 24N80W TO 21N66W TO 31N66W...INCLUDING ATLANTIC EXPOSURES...NE WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. .48 HOUR FORECAST WITHIN 31N66W TO 31N81W TO 23N80W TO 19N66W TO 31N66W...INCLUDING ATLANTIC EXPOSURES...NE WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. .CARIBBEAN 18 HOUR FORECAST WITHIN 20N78W TO 20N79W TO 19N79W TO 19N78W TO 20N78W NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .24 HOUR FORECAST WITHIN 21N78W TO 21N79W TO 20N80W TO 19N79W TO 20N78W TO 21N78W...INCLUDING BETWEEN CUBA AND JAMAICA...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .48 HOUR FORECAST WITHIN 21N80W TO 20N81W TO 17N73W TO 18N70W TO 21N80W...INCLUDING BETWEEN CUBA AND JAMAICA...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .GULF OF MEXICO WITHIN 27N95W TO 28N94W TO 28N96W TO 26N96W TO 25N97W TO 26N96W TO 27N95W SE WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. .15 HOUR FORECAST CONDITIONS IMPROVE. .GULF OF MEXICO 15 HOUR FORECAST WITHIN 26N81W TO 27N82W TO 22N91W TO 22N89W TO 23N86W TO 23N82W TO 26N81W...INCLUDING STRAITS OF FLORIDA...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .24 HOUR FORECAST WITHIN 29N84W TO 29N91W TO 27N87W TO 23N84W TO 23N81W TO 25N81W TO 29N84W...INCLUDING STRAITS OF FLORIDA...E WINDS 20 TO 30 KT. SEAS LESS THAN 8 FT. .48 HOUR FORECAST WITHIN 29N84W TO 30N94W TO 26N92W TO 23N87W TO 23N81W TO 29N84W...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.