000 FZNT02 KNHC 130837 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1030 UTC THU MAY 13 2021 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 0600 UTC THU MAY 13. 24 HOUR FORECAST VALID 0600 UTC FRI MAY 14. 48 HOUR FORECAST VALID 0600 UTC SAT MAY 15. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC 06 HOUR FORECAST COLD FRONT FROM 31N72W TO 28N80W. W OF 78W N OF FRONT N TO NE WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. .24 HOUR FORECAST COLD FRONT FROM 31N68W TO 27N80W. WITHIN 30N77W TO 30N80W TO 31N80W TO 31N76W TO 30N77W NE WINDS 20 TO 25 KT. SEAS 8 FT. .48 HOUR FORECAST COLD FRONT FROM 31N65W TO 25N80W. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .CARIBBEAN WITHIN 12N70W TO 11N77W TO 13N80W TO 16N78W TO 15N71W TO 12N70W NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. .24 HOUR FORECAST WITHIN 13N72W TO 11N76W TO 11N78W TO 13N80W TO 14N76W TO 13N72W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. .48 HOUR FORECAST WITHIN 11N75W TO 11N77W TO 12N77W TO 13N76W TO 12N74W TO 11N75W NE TO E WINDS 20 TO 25 KT. SEAS 8 FT. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER MUNDELL. NATIONAL HURRICANE CENTER.