000 FZNT02 KNHC 200321 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 0430 UTC THU SEP 20 2012 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 0000 UTC THU SEP 20 24 HOUR FORECAST VALID 0000 UTC FRI SEP 21 48 HOUR FORECAST VALID 0000 UTC SAT SEP 22 .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC TROPICAL STORM NADINE NE OF AREA NEAR 37N32W. N OF 29N E OF 39W WINDS 20 KT OR LESS. SEAS TO 9 FT IN NE SWELL. .24 HOUR FORECAST POST-TROPICAL CYCLONE NADINE NE OF AREA NEAR 36N 30W. NE OF LINE 27N35W TO 31N43W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN N TO NE SWELL. .48 HOUR FORECAST POST-TROPICAL CYCLONE NADINE NE OF AREA NEAR 33.5N26.5W. N OF 25N E OF 42W WINDS 20 KT OR LESS. SEAS 8 TO 13 FT IN N TO NE SWELL. .ATLC LOW PRES NEAR 31N52W 1010 MB MOVING W 10 KT. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 31N56W 1008 MB. OVER FORECAST WATERS WITHIN 150 NM E SEMICIRCLE S WINDS 20 TO 25 KT. SEAS TO 9 FT. .48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...N OF AREA NEAR 33N60W 1009 MB. N OF 30N BETWEEN 51W AND 58W S WINDS 20 TO 25 KT. SEAS TO 8 FT. .ATLC 24 HOUR FORECAST TROPICAL WAVE ALONG 36W S OF 19N. FROM 14N TO 18N E OF 37W NE WINDS 20 TO 25 KT. SEAS TO 8 FT. .48 HOUR FORECAST TROPICAL WAVE ALONG 42W S OF 20N. FROM 13N TO 18N BETWEEN 39W AND 43W NE WINDS 20 TO 25 KT. SEAS TO 9 FT. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER MUNDELL. NATIONAL HURRICANE CENTER.