000 FZNT02 KNHC 172103 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 2230 UTC THU MAY 17 2012 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 MAY 17. 24 HOUR FORECAST VALID 1800 UTC FRI MAY 18. 48 HOUR FORECAST VALID 1800 UTC SAT MAY 19. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC E OF 70W TO LINE 21N65W TO 20N50W TO 07N40W E TO SE WINDS 20 KT. SEAS TO 9 FT. .24 HOUR FORECAST BETWEEN 71W AND 65W AND S OF 23N BETWEEN 65W AND 53W E TO SE WINDS 20 TO 25 KT. SEAS TO 9 FT. .48 HOUR FORECAST BETWEEN 70W AND 66W SE TO S WINDS 20 KT. SEAS 8 FT. S OF 25N BETWEEN 66W AND 50W E TO SE WINDS 20 KT. SEAS TO 8 FT. .ATLC 48 HOUR FORECAST TROUGH 31N76W TO 28N81W. NW OF TROUGH NE WINDS 20 KT. SEAS TO 8 FT. .CARIBBEAN S OF 15N BETWEEN 66W AND 75W E WINDS 20 KT. SEAS TO 8 FT. .24 HOUR FORECAST FROM 11N TO 16N BETWEEN 66W AND 77W E WINDS 20 TO 25 KT. SEAS TO 9 FT. .48 HOUR FORECAST FROM 11N TO 18N E OF 78W E WINDS 20 KT. SEAS TO 8 FT. .REMAINDER OF AREA WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT. $$ .FORECASTER NELSON. NATIONAL HURRICANE CENTER.