000 FZNT02 KNHC 182004 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 2230 UTC TUE APR 18 2023 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 TUE APR 18. 24 HOUR FORECAST VALID 1800 UTC WED APR 19. 48 HOUR FORECAST VALID 1800 UTC THU APR 20. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .CARIBBEAN 12 HOUR FORECAST WITHIN 12N75W TO 12N76W TO 11N76W TO 11N75W TO 11N74W TO 12N75W NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .24 HOUR FORECAST WITHIN 11N70W TO 11N73W TO 12N75W TO 12N76W TO 11N70W...INCLUDING THE GULF OF VENEZUELA...NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .48 HOUR FORECAST WITHIN 12N70W TO 12N75W TO 12N77W TO 11N77W TO 11N74W TO 11N70W TO 12N70W...INCLUDING THE GULF OF VENEZUELA...NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .CARIBBEAN 24 HOUR FORECAST WITHIN 16N85W TO 17N85W TO 17N86W TO 16N86W TO 16N85W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .33 HOUR FORECAST CONDITIONS IMPROVE. .GULF OF MEXICO WITHIN 28N95W TO 28N96W TO 27N96W TO 27N97W TO 26N97W TO 27N96W TO 28N95W SE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .18 HOUR FORECAST CONDITIONS IMPROVE. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER KONARIK. NATIONAL HURRICANE CENTER.