000 FZNT02 KNHC 191549 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1630 UTC MON JUL 19 2021 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 1200 UTC MON JUL 19. 24 HOUR FORECAST VALID 1200 UTC TUE JUL 20. 48 HOUR FORECAST VALID 1200 UTC WED JUL 21. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC WITHIN 20N70W TO 20N73W TO 21N73W TO 21N71W TO 20N70W... INCLUDING THE WINDWARD PASSAGE...WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .24 HOUR FORECAST LITTLE CHANGE. .48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .CARIBBEAN WITHIN 12N69W TO 10N77W TO 14N79W TO 18N72W TO 14N68W TO 12N69W E WINDS 20 TO 25 KT. SEAS 8 TO 11 FT. .24 HOUR FORECAST WITHIN 10N65W TO 10N77W TO 14N81W TO 18N79W TO 18N72W TO 10N65W E WINDS 20 TO 30 KT. SEAS 8 TO 13 FT. .48 HOUR FORECAST LITTLE CHANGE. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER TORRES. NATIONAL HURRICANE CENTER.