000 FZNT02 KNHC 182130 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 2230 UTC SAT JUN 18 2011 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 1800 UTC SAT JUN 18. 24 HOUR FORECAST VALID 1800 UTC SUN JUN 19. 48 HOUR FORECAST VALID 1800 UTC MON JUN 20. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC TROPICAL WAVE S OF 17N ALONG 56W. FROM 12N TO 16N BETWEEN 50W AND 60W NE TO E WINDS 20 KT. SEAS 8 TO 9 FT. .24 HOUR FORECAST WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT. .CARIBBEAN S OF 20N W OF 83W E TO SE WINDS 20 TO 25 KT. SEAS 8 FT. FROM 12N TO 18N BETWEEN 70W AND 81W E WINDS 20 KT. SEAS TO 9 FT. .24 HOUR FORECAST S OF 20N W OF 86W E TO SE WINDS 20 KT. SEAS TO 9 FT. TROPICAL WAVE ALONG 63W. FROM 12N TO 17N W OF WAVE TO 80W NE TO E WINDS 20 KT. SEAS 8 TO 10 FT. .48 HOUR FORECAST TROPICAL WAVE ALONG 70W. FROM 13N TO 16N W OF WAVE TO 81W E WINDS 20 KT. SEAS TO 8 FT. .GULF OF MEXICO N OF 25N W OF 95W SE TO S WINDS 20 KT. SEAS LESS THAN 8 FT. .24 HOUR FORECAST LITTLE CHANGE. .48 HOUR FORECAST N OF 21N W OF 90W SE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .REMAINDER OF AREA WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT. $$ .FORECASTER MUNDELL. NATIONAL HURRICANE CENTER.