000 FZNT02 KNHC 170242 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 0430 UTC FRI SEP 17 2021 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 FRI SEP 17. 24 HOUR FORECAST VALID 0000 UTC SAT SEP 18. 48 HOUR FORECAST VALID 0000 UTC SUN SEP 19. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC 12 HOUR FORECAST LOW PRESSURE NEAR 08N39W 1012 MB. WITHIN 10N43W TO 13N42W TO 13N44W TO 14N44W TO 14N43W TO 14N42W TO 13N42W E WINDS 20 TO 25 KT. SEAS 8 FT. .24 HOUR FORECAST LOW PRESSURE...POSSIBLE TROPICAL CYCLONE...NEAR 10N45W 1010 MB. WITHIN 13N44W TO 13N45W TO 13N46W TO 15N47W TO 15N44W TO 13N44W E WINDS 20 TO 25 KT. SEAS 8 FT. .48 HOUR FORECAST LOW PRESSURE...POSSIBLE TROPICAL CYCLONE...NEAR 12N53W 1010 MB. WITHIN 15N50W TO 15N53W TO 18N53W TO 18N50W TO 15N50W E TO SE WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. .CARIBBEAN WITHIN 11N70W TO 11N72W TO 12N75W TO 13N75W TO 13N70W TO 11N70W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .24 HOUR FORECAST LITTLE CHANGE. .48 HOUR FORECAST LITTLE CHANGE. .CARIBBEAN WITHIN 16N85W TO 16N86W TO 17N86W TO 17N85W TO 16N85W...INCLUDING THE GULF OF HONDURAS... E TO SE WINDS 20 TO 25 KT. 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. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.