000 FZNT02 KNHC 161950 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 2230 UTC SUN APR 16 2023 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 1800 UTC SUN APR 16. 24 HOUR FORECAST VALID 1800 UTC MON APR 17. 48 HOUR FORECAST VALID 1800 UTC TUE APR 18. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .GULF OF MEXICO COLD FRONT FROM 30N81W TO 24N97W. WITHIN 27N87W TO 28N88W TO 29N94W TO 27N97W TO 24N97W TO 24N89W TO 27N87W N TO NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .18 HOUR FORECAST COLD FRONT FROM 25N81W TO 21.5N90W TO 22N96W. 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.