000 FZNT02 KNHC 170147 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 0430 UTC THU AUG 17 2023 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 0000 UTC THU AUG 17. 24 HOUR FORECAST VALID 0000 UTC FRI AUG 18. 48 HOUR FORECAST VALID 0000 UTC SAT AUG 19. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC WITHIN 21N51W TO 22N53W TO 22N57W TO 20N57W TO 19N55W TO 19N51W TO 21N51W NE TO E WINDS 20 TO 25 KT. SEAS 8 FT. .24 HOUR FORECAST WITHIN 22N61W TO 23N64W TO 23N66W TO 22N68W TO 20N68W TO 19N63W TO 22N61W E WINDS 20 TO 25 KT. SEAS 8 FT. .48 HOUR FORECAST WITHIN 23N67W TO 23N68W TO 24N71W TO 22N71W TO 20N70W TO 20N67W TO 23N67W WINDS 20 KT OR LESS. SEAS 8 FT IN SWELL. .ATLC 36 HOUR FORECAST WITHIN 15N38W TO 15N40W TO 15N41W TO 11N41W TO 11N39W TO 13N38W TO 15N38W WINDS 20 KT OR LESS. SEAS 8 FT IN NE TO E SWELL. .48 HOUR FORECAST WITHIN 15N40W TO 16N42W TO 15N44W TO 13N44W TO 12N41W TO 13N40W TO 15N40W WINDS 20 KT OR LESS. SEAS 8 FT IN NE TO E SWELL. .CARIBBEAN WITHIN 13N72W TO 14N74W TO 12N75W TO 11N74W TO 12N73W TO 11N72W TO 13N72W...INCLUDING THE GULF OF VENEZUELA... NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER AL. NATIONAL HURRICANE CENTER.