000 FZNT02 KNHC 171538 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1630 UTC MON APR 17 2023 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 1200 UTC MON APR 17. 24 HOUR FORECAST VALID 1200 UTC TUE APR 18. 48 HOUR FORECAST VALID 1200 UTC WED APR 19. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC WITHIN 31N35W TO 31N41W TO 26N82W TO 30N39W TO 29N36W TO 29N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 8 FT IN NW TO N SWELL. .24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .GULF OF MEXICO COLD FRONT FROM SARASOTA, FLORIDA TO 23N90W. WITHIN 27N82W TO 29N84W TO 28N85W TO 27N85W TO 25N84W TO 25N82W TO 27N82W NW TO N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .15 HOUR FORECAST COLD FRONT FROM FLORIDA STRAITS TO N YUCATAN. CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .GULF OF MEXICO 39 HOUR FORECAST WITHIN 25N93W TO 29N95W TO 26N97W TO 20N94W TO 19N92W TO 22N89W TO 25N93W...INCLUDING EASTERN BAY OF CAMPECHE...E TO SE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .48 HOUR FORECAST LITTLE CHANGE. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER CHAN. NATIONAL HURRICANE CENTER.