000 FZNT02 KNHC 190807 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1030 UTC MON JUL 19 2021 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 MON JUL 19. 24 HOUR FORECAST VALID 0600 UTC TUE JUL 20. 48 HOUR FORECAST VALID 0600 UTC WED JUL 21. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC 12 HOUR FORECAST WITHIN 20N70W TO 20N72W TO 20N73W TO 21N71W TO 20N70W...INCLUDING THE WINDWARD PASSAGE...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 20N73W TO 21N71W TO 20N70W...INCLUDING THE WINDWARD PASSAGE...E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .CARIBBEAN WITHIN 11N71W TO 10N80W TO 14N81W TO 17N78W TO 17N74W TO 11N71W NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 9 FT. .24 HOUR FORECAST WITHIN 13N70W TO 11N72W TO 11N75W TO 13N78W TO 18N72W TO 13N70W E WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. .48 HOUR FORECAST WITHIN 11N67W TO 10N76W TO 14N82W TO 16N81W TO 18N73W TO 11N67W...INCLUDING THE MONA PASSAGE...E WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER ERA. NATIONAL HURRICANE CENTER.