000 FZNT02 KNHC 161620 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1630 UTC SAT APR 16 2011 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 1200 UTC SAT APR 16. 24 HOUR FORECAST VALID 1200 UTC SUN APR 17. 48 HOUR FORECAST VALID 1200 UTC MON APR 18. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC GALE CENTER NE OF AREA. N OF 24N E OF 43W N TO NE WINDS 20 TO 25 KT EXCEPT TO 30 KT N OF 30N. SEAS 9 TO 18 FT IN N SWELL...HIGHEST E OF 38W. ELSEWHERE N OF 23N E OF 55W E WINDS 20 KT. SEAS 8 TO 10 FT IN NE SWELL. .24 HOUR FORECAST GALE CENTER MOVE E AND WEAKENED. N OF 25N E OF 45W N WINDS 20 TO 25 KT. SEAS 10 TO 15 FT IN N SWELL. ELSEWHERE N OF 18N E OF 45W WINDS LESS THAN 20 KT. SEAS 8 TO 11 FT IN N SWELL. .48 HOUR FORECAST N OF 22N E OF 50W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 12 FT IN N SWELL. FROM 13N TO 22N E OF 50W WINDS LESS THAN 20 KT. SEAS 8 TO 10 FT IN NE SWELL. .ATLC DEVELOPING TROUGH 31N61W TO 23N57W. FROM 27N TO 31N BETWEEN 55W AND 60W E TO SE WINDS 20 KT. SEAS LESS THAN 8 FT. .24 HOUR FORECAST TROUGH FROM 31N55W TO 17N57W. N OF 20N FROM 45W TO 58W E WINDS 20 TO 25 KT. SEAS 8 TO 12 FT. .48 HOUR FORECAST DEVELOPING LOW PRES 1013 MB NEAR 23N59W. N OF 22N FROM 50W TO 60W SE WINDS 20 TO 25 KT. SEAS 10 TO 14 FT IN E SWELL. N OF 24N FROM 60W TO 65W NE WINDS 20 TO 25 KT. SEAS 9 TO 13 FT IN NE SWELL. .ATLC N OF 28N W OF 75W SE TO S WINDS 20 KT. SEAS LESS THAN 8 FT. .24 HOUR FORECAST COLD FRONT 31N75W TO 26N80W. WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT. .GULF OF MEXICO COLD FRONT 30N85W TO 23N97W. N OF 24N W OF FRONT SW WINDS 20 TO 25 KT. SEAS TO 8 FT. .24 HOUR FORECAST FRONT E OF GULF. WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT. .REMAINDER OF AREA WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT. $$ .FORECASTER WALLY BARNES. NATIONAL HURRICANE CENTER.