000 FZNT02 KNHC 192120 HSFAT2 HIGH SEAS FORECAST...RETRANSMISSION NWS NATIONAL HURRICANE CENTER MIAMI FL 2230 UTC WED APR 19 2017 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 WED APR 19. 24 HOUR FORECAST VALID 1800 UTC THU APR 20. 48 HOUR FORECAST VALID 1800 UTC FRI APR 21. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC SUBTROPICAL DEPRESSION ONE N OF AREA NEAR 31.9N 40.9W. OVER FORECAST WATERS WITHIN 210 NM S SEMICIRCLE WINDS 20 TO 30 KT. SEAS 9 TO 12 FT. ELSEWHERE N OF 21N E OF 48W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW TO N SWELL. .24 HOUR FORECAST N OF 30N E OF 38W WINDS 20 KT OR LESS. SEAS 8 FT IN NW SWELL. .30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .ATLC N OF 30N BETWEEN 51W AND 58W NW WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. ELSEWHERE N OF 28N BETWEEN 50W AND 60W WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED NW AND NE SWELL. .24 HOUR FORECAST N OF 30N BETWEEN 50W AND 57W NW WINDS 20 TO 25 KT. SEAS 10 TO 12 FT. ELSEWHERE N OF 28N BETWEEN 48W AND 61W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW SWELL. .48 HOUR FORECAST N OF LINE 26N48W TO 31N42W S TO SW WINDS 20 TO 30 KT. SEAS 9 TO 17 FT IN NW SWELL. N OF LINE 26N48W TO 31N59W NW WINDS 20 TO 30 KT. SEAS 10 TO 17 FT. ELSEWHERE WITHIN AREA BOUNDED BY 31N64W TO 31N40W TO 23N50W TO 23N48W TO 31N64W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN N SWELL. .ATLC S OF 14N BETWEEN 38W AND 61W...INCLUDING IN ATLANTIC EXPOSURES AND PASSAGES...WINDS 20 KT OR LESS. SEAS 8 TO 10 FT. .12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .ATLC S OF 21N BETWEEN 71W AND 74W...INCLUDING APPROACH TO WINDWARD PASSAGE... E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .CARIBBEAN N OF 16N BETWEEN 71W AND 74W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .06 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 AL. NATIONAL HURRICANE CENTER.