000 FZNT02 KNHC 200235 HSFAT2 HIGH SEAS FORECAST...RETRANSMISSION NWS NATIONAL HURRICANE CENTER MIAMI FL 0430 UTC THU APR 20 2017 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 0000 UTC THU APR 20. 24 HOUR FORECAST VALID 0000 UTC FRI APR 21. 48 HOUR FORECAST VALID 0000 UTC SAT APR 22. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC SUBTROPICAL DEPRESSION ONE N OF AREA NEAR 33.2N 39.3W. OVER FORECAST WATERS WITHIN 240 NM S SEMICIRCLE WINDS 20 TO 25 KT. SEAS 9 TO 12 FT. ELSEWHERE N OF 22N E OF 44W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW TO N SWELL. .24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .ATLC N OF 29N BETWEEN 51W AND 55W NW WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. ELSEWHERE N OF 28N BETWEEN 50W AND 58W WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED NW AND NE SWELL. .24 HOUR FORECAST N OF 29N BETWEEN 50W AND 59W W TO NW WINDS 20 TO 25 KT. SEAS 10 TO 13 FT. ELSEWHERE N OF LINE FROM 31N62W TO 26N57W TO 26N49W TO 31N44W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW SWELL. .48 HOUR FORECAST N OF LINE 27N49W TO 31N42W S TO SW WINDS 20 TO 30 KT. SEAS 9 TO 17 FT IN NW SWELL. N OF LINE 27N49W TO 31N59W NW WINDS 20 TO 30 KT. SEAS 12 TO 17 FT. ELSEWHERE WITHIN AREA BOUNDED BY 31N65W TO 31N40W TO 27N40W TO 23N47W TO 23N58W TO 31N65W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW TO N SWELL. .ATLC S OF 13N BETWEEN 42W AND 60W...INCLUDING IN ATLANTIC EXPOSURES AND PASSAGES...WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN N SWELL. .06 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. .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.