000 FZNT02 KNHC 190809 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1030 UTC TUE OCT 19 2021 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 TUE OCT 19. 24 HOUR FORECAST VALID 0600 UTC WED OCT 20. 48 HOUR FORECAST VALID 0600 UTC THU OCT 21. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC 06 HOUR FORECAST WITHIN 30N35W TO 30N37.5W TO 30.5N40.5W TO 31N41W TO 31N35W TO 30N35W WINDS 20 KT OR LESS. SEAS TO 8 FT IN NW SWELL. .24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .ATLC 30 HOUR FORECAST WITHIN 09N47W TO 09N51W TO 11N51W TO 11N48W TO 10N47W TO 09N47W WINDS 20 KT OR LESS. SEAS 8 FT IN NE AND N SWELL. .48 HOUR FORECAST WITHIN 09N51W TO 09N56W TO 13N58W TO 14N56W TO 12N49W TO 09N51W NE TO E WINDS 20 TO 25 KT. SEAS 8 FT. .ATLC 30 HOUR FORECAST WITHIN 30N59.5W TO 30.5N62W TO 31N63W TO 31N58W TO 30N59.5W WINDS 20 KT OR LESS. SEAS 8 FT IN NW SWELL. .48 HOUR FORECAST WITHIN 30N52.5W TO 30.5N54.5W TO 31N56W TO 31N50.5W TO 30N52.5W WINDS 20 KT OR LESS. SEAS 8 FT IN NW SWELL. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER AL. NATIONAL HURRICANE CENTER.