000 FZNT02 KNHC 180334 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 0430 UTC THU MAY 18 2017 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 0000 UTC THU MAY 18. 24 HOUR FORECAST VALID 0000 UTC FRI MAY 19. 48 HOUR FORECAST VALID 0000 UTC SAT MAY 20. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC WITHIN AREA BOUNDED BY 12N37W TO 07N44W TO 07N54W TO 19N47W TO 23N35W TO 12N37W WINDS 20 KT OR LESS. SEAS 8 FT IN N SWELL. .24 HOUR FORECAST WITHIN AREA BOUNDED BY 13N50W TO 08N50W TO 10N59W TO 15N60W TO 13N50W WINDS 20 KT OR LESS. SEAS 8 FT IN NE SWELL. .48 HOUR FORECAST WITHIN AREA BOUNDED BY 09N47W TO 07N47W TO 08N56W TO 10N57W TO 14N58W TO 11N50W TO 09N47W WINDS 20 KT OR LESS. SEAS TO 8 FT IN E SWELL. .ATLC 06 HOUR FORECAST S OF 22N BETWEEN 70W AND 74W...INCLUDING APPROACH TO WINDWARD PASSAGE AND ATLANTIC EXPOSURES...E TO SE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .24 HOUR FORECAST LITTLE CHANGE. .36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .CARIBBEAN N OF 16N BETWEEN 72W AND 75W E TO SE WINDS 20 TO 25 KT. SEAS TO 9 FT. ELSEWHERE WITHIN AREA BOUNDED BY 18N72W TO 16N72W TO 16N76W TO 19N75W TO 18N72W WINDS 20 KT OR LESS. SEAS 8 FT IN E SWELL. .24 HOUR FORECAST N OF 16N BETWEEN 72W AND 79W E TO SE WINDS 20 TO 25 KT. SEAS 8 TO 10 FT...HIGHEST SE OF JAMAICA. ELSEWHERE WITHIN AREA BOUNDED BY 18N72W TO 15N74W TO 16N77W TO 19N76W TO 18N72W...WINDS 20 KT OR LESS. SEAS 8 FT. .48 HOUR FORECAST WITHIN AREA BOUNDED BY 13N70W TO 12N78W TO 16N79W TO 18N78W TO 18N72W TO 13N70W...INCLUDING WITHIN 90 NM OF COAST OF COLOMBIA AND GULF OF VENEZUELA...E WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. .GULF OF MEXICO S OF 25N E OF 83W E WINDS 20 TO 25 KT. SEAS TO 9 FT STRAITS OF FLORIDA. .24 HOUR FORECAST S OF 25N E OF 83W E WINDS 20 TO 25 KT. SEAS TO 8 FT STRAITS OF FLORIDA. .30 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 COBB. NATIONAL HURRICANE CENTER.