000 FZNT02 KNHC 180823 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1030 UTC SAT JUL 18 2020 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 SAT JUL 18. 24 HOUR FORECAST VALID 0600 UTC SUN JUL 19. 48 HOUR FORECAST VALID 0600 UTC MON JUL 20. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC 18 HOUR FORECAST WITHIN 20N71W TO 20N73W TO 21N72W TO 21N71W TO 20N71W...INCLUDING THE WINDWARD PASSAGE... NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .36 HOUR FORECAST WITHIN 20N70W TO 20N72W TO 21N72W TO 21N71W TO 20N70W...INCLUDING THE WINDWARD PASSAGE... E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .48 HOUR FORECAST WITHIN 20N71W TO 20N74W TO 21N73W TO 21N72W TO 21N71W TO 20N71W...INCLUDING THE WINDWARD PASSAGE... E TO SE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .CARIBBEAN WITHIN 11N70W TO 11N76W TO 13N77W TO 15N72W TO 13N70W TO 11N70W NE TO E WINDS 20 TO 30 KT. SEAS 8 FT. .24 HOUR FORECAST WITHIN 11N75W TO 11N77W TO 13N76W TO 13N74W TO 13N73W TO 11N75W NE TO E WINDS 20 TO 25 KT. SEAS 8 FT. WITHIN 11N70W TO 11N72W TO 12N72W TO 12N71W TO 12N70W TO 11N70W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .48 HOUR FORECAST WITHIN 11N75W TO 12N76W TO 13N74W TO 12N74W TO 11N75W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. WITHIN 12N69W TO 11N70W TO 11N72W TO 14N72W TO 14N69W TO 12N69W E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER AL. NATIONAL HURRICANE CENTER.