253 FZNT02 KNHC 132045 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 2230 UTC THU MAY 13 2021 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 THU MAY 13. 24 HOUR FORECAST VALID 1800 UTC FRI MAY 14. 48 HOUR FORECAST VALID 1800 UTC SAT MAY 15. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC COLD FRONT FROM 31N70W TO 27N80W. WITHIN 30N79W TO 30N81W TO 31N81W TO 31N77W TO 30N79W N TO NE WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. .24 HOUR FORECAST COLD FRONT FROM 31N64W TO 25N81W. WITHIN 30N75W TO 29N77W TO 31N80W TO 31N73W TO 30N75W NE WINDS 20 TO 25 KT. SEAS 8 FT. .48 HOUR FORECAST COLD FRONT FROM 31N60W TO 24N81W. WITHIN 26N74W TO 26N75W TO 28N80W TO 29N79W TO 28N74W TO 26N74W WINDS 20 KT OR LESS. SEAS 8 FT IN E SWELL. .CARIBBEAN WITHIN 10N79W TO 14N81W TO 16N80W TO 16N76W TO 13N72W TO 10N79W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. .24 HOUR FORECAST WITHIN 12N73W TO 10N79W TO 13N79W TO 14N76W TO 13N72W TO 12N73W NE TO E WINDS 20 TO 25 KT. SEAS 8 FT. .48 HOUR FORECAST WITHIN 11N73W TO 10N78W TO 12N77W TO 12N76W TO 12N72W TO 11N73W NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .GULF OF MEXICO COLD FRONT FROM 27N82W TO 25N92W TO 18N95W. WITHIN 20N95W TO 19N96W TO 22N98W TO 26N97W TO 20N95W...INCLUDING WITHIN 60 NM OF VERACRUZ...N WINDS 20 TO 30 KT. SEAS LESS THAN 8 FT. .24 HOUR FORECAST COLD FRONT FROM 25N81W TO 24N94W. CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.