000 FZNT02 KNHC 112020 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 2230 UTC THU MAY 11 2017 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 11. 24 HOUR FORECAST VALID 1800 UTC FRI MAY 12. 48 HOUR FORECAST VALID 1800 UTC SAT MAY 13. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC TROPICAL WAVE S OF 14N ALONG 55W. WITHIN 240 NM E OF WAVE WINDS 20 KT OR LESS. SEAS TO 8 FT. .24 HOUR FORECAST TROPICAL WAVE W OF AREA OVER CARIBBEAN. FROM 09N TO 13N BETWEEN 57W AND 60W E TO SE WINDS 20 TO 25 KT. SEAS TO 8 FT. .36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .ATLC 12 HOUR FORECAST COLD FRONT N OF AREA. N OF 30.5N BETWEEN 67W AND 72W SW TO W WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .24 HOUR FORECAST COLD FRONT FROM 31N63W TO 30N73W. WITHIN AREA BOUNDED BY 31N66W TO 31N53W TO 28N66W TO 31N66W SW WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. .48 HOUR FORECAST COLD FRONT FROM 31N48W TO 27N57W. N OF 28N WITHIN 480 NM E OF FRONT SW WINDS 20 TO 25 KT. SEAS TO 11 FT. W OF FRONT TO 57W WINDS 20 KT OR LESS. SEAS TO 10 FT IN NW SWELL. .ATLC 48 HOUR FORECAST N OF 30N W OF 57W SW WINDS 20 TO 25 KT. SEAS TO 8 FT. .GULF OF MEXICO S OF 22.5N BETWEEN 88W AND 91W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER NELSON. NATIONAL HURRICANE CENTER.