000 FZNT02 KNHC 160357 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 0430 UTC THU SEP 16 2021 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 0000 UTC THU SEP 16. 24 HOUR FORECAST VALID 0000 UTC FRI SEP 17. 48 HOUR FORECAST VALID 0000 UTC SAT SEP 18. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC LOW PRES NEAR 29N74W 1010 MB. WITHIN 30N69W TO 29N70W TO 29N73W TO 31N74W TO 31N69W TO 30N69W WINDS 20 TO 30 KT. SEAS 8 TO 9 FT. .12 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 31N74W 1009 MB. WITHIN 30N71W TO 30N72W TO 31N73W TO 31N70W TO 30N71W WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. .24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...MOVED WELL N OF AREA. CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .ATLC 36 HOUR FORECAST NEW LOW PRES NEAR 12N43W 1013 MB. WITHIN 11N38W TO 12N39W TO 13N38W TO 12N37W TO 11N38W WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .ATLC 48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 13N46W 1012 MB. WITHIN 13N44W TO 11N44W TO 12N47W TO 16N47W TO 15N44W TO 13N44W WINDS 20 TO 30 KT. SEAS 8 TO 9 FT. .CARIBBEAN 24 HOUR FORECAST WITHIN 16N85W TO 16N88W TO 19N87W TO 19N86W TO 18N84W TO 16N85W...INCLUDING THE GULF OF HONDURAS...E TO SE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .48 HOUR FORECAST LITTLE CHANGE. .CARIBBEAN 24 HOUR FORECAST WITHIN 12N69W TO 12N72W TO 11N75W TO 15N74W TO 14N68W TO 12N69W E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .48 HOUR FORECAST WITHIN 12N68W TO 11N71W TO 12N77W TO 15N74W TO 14N68W TO 12N68W NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER TORRES. NATIONAL HURRICANE CENTER.