000 FZNT02 KNHC 182132 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 2230 UTC THU MAY 18 2017 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 18. 24 HOUR FORECAST VALID 1800 UTC FRI MAY 19. 48 HOUR FORECAST VALID 1800 UTC SAT MAY 20. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC FROM 08N TO 14N BETWEEN 51W AND 59W WINDS 20 KT OR LESS. SEAS 8 FT IN NE SWELL. .24 HOUR FORECAST FROM 08N TO 14N BETWEEN 48W AND 58W WINDS 20 KT OR LESS. SEAS 8 FT IN NE TO E SWELL. .48 HOUR FORECAST WITHIN 180 NM EITHER SIDE OF A LINE FROM 17N35W TO 10N48W TO 10N57W WINDS 20 KT OR LESS. SEAS 8 FT IN NE TO E SWELL. .ATLC 06 HOUR FORECAST S OF 22N BETWEEN 69W AND 74W...INCLUDING APPROACH TO WINDWARD PASSAGE AND ATLANTIC EXPOSURES...E WINDS 20 TO 25 KT. SEAS LESS TO 8 FT. .24 HOUR FORECAST S OF 21N BETWEEN 70W AND 74W E WINDS 20 TO 25 KT. SEAS TO 8 FT. .36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .CARIBBEAN N OF 15.5N BETWEEN 71W AND 79W E TO SE WINDS 20 TO 25 KT. SEAS TO 10 FT IN E SWELL. ELSEWHERE N OF 13N BETWEEN 72W AND 77W WINDS 20 KT OR LESS. SEAS 8 FT IN E SWELL. .24 HOUR FORECAST N OF 12N BETWEEN 69W AND 75W E WINDS 20 TO 25 KT. SEAS TO 10 FT IN E SWELL. ELSEWHERE FROM 11N TO 17N BETWEEN 75W AND 78W WINDS 20 KT OR LESS. SEAS TO 9 FT IN E SWELL. .48 HOUR FORECAST FROM 11N TO 17N BETWEEN 69W AND 79W E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT IN E SWELL. .GULF OF MEXICO 06 HOUR FORECAST S OF 22N 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. .24 HOUR FORECAST LITTLE CHANGE. .30 HOUR FORECAST S OF 22N BETWEEN 89W AND 91W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .36 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 HUFFMAN. NATIONAL HURRICANE CENTER.