000 FZNT02 KNHC 202130 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 2230 UTC THU SEP 20 2012 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 1800 UTC THU SEP 20 24 HOUR FORECAST VALID 1800 UTC FRI SEP 21 48 HOUR FORECAST VALID 1800 UTC SAT SEP 22 .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC TROPICAL STORM NADINE NE OF AREA NEAR 36N28W. N OF 29N E OF 40W WINDS 20 KT OR LESS. SEAS TO 10 FT IN N TO NE SWELL. .24 HOUR FORECAST TROPICAL STORM NADINE E-NE OF AREA NEAR 34N26W. N OF 25N E OF 42W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN N TO NE SWELL. .48 HOUR FORECAST POST-TROPICAL CYCLONE NADINE E-NE OF AREA NEAR 32.5N25W. N OF 27N E OF 40W N TO NE WINDS 20 TO 25 KT. SEAS 10 TO 15 FT IN N TO NE SWELL. ELSEWHERE NE OF LINE 31N46W TO 23N41W TO 20N35W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN N TO NE SWELL. .ATLC LOW PRES NEAR 31N54W 1006 MB DRIFTING NW. N OF 29N BETWEEN 51W AND 60W WINDS 20 TO 25 KT. SEAS TO 9 FT. .24 HOUR FORECAST LOW PRES...POSSIBLE SUB-TROPICAL CYCLONE...N OF AREA NEAR 33N59W 1004 MB. N OF 28N BETWEEN 53W AND 58W S TO SW WINDS 20 TO 25 KT. SEAS TO 9 FT. N OF 29N BETWEEN 58W AND 63W WINDS 20 KT OR LESS. SEAS 8 FT IN NE SWELL. .48 HOUR FORECAST LOW PRES...POSSIBLE SUB-TROPICAL CYCLONE...N OF AREA NEAR 35N62W 1006 MB. N OF 30N BETWEEN 57W AND 60W S WINDS 20 TO 25 KT. SEAS TO 8 FT. .ATLC 12 HOUR FORECAST TROPICAL WAVE ALONG 37W S OF 20N. FROM 14N TO 19N E OF 40W NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT. .24 HOUR FORECAST TROPICAL WAVE ALONG 40W S OF 20N. FROM 14N TO 19N BETWEEN 37W AND 44W NE TO E WINDS 20 TO 25 KT. SEAS TO 9 FT. .48 HOUR FORECAST TROPICAL WAVE ALONG 47W S OF 20N. FROM 13N TO 19N BETWEEN 44W AND 50W NE WINDS 20 TO 25 KT. SEAS TO 10 FT. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER MUNDELL. NATIONAL HURRICANE CENTER.