000 FZNT02 KNHC 170249 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 0430 UTC THU MAR 17 2011 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 MAR 17. 24 HOUR FORECAST VALID 0000 UTC FRI MAR 18. 48 HOUR FORECAST VALID 0000 UTC SAT MAR 19. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .ATLC DISSIPATING COLD FRONT FROM 31N38W TO 27N51W TO 21N64W. N OF 30N E OF FRONT SW WINDS 20 KT. SEAS LESS THAN 8 FT. N OF FRONT BETWEEN 40W AND 55W N TO NE WINDS 20 KT. SEAS TO 8 FT. ELSEWHERE WITHIN 180 NM NW OF FRONT NE WINDS 20 KT. SEAS TO 8 FT. REMAINDER OF AREA FROM 21N TO 24N BETWEEN 64W AND 70W NE TO E WINDS 20 KT. SEAS TO 8 FT. .24 HOUR FORECAST WEAK COLD FRONT 25N35W TO 24N40W TO 25N57W. NW OF FRONT TO 40W N TO NE WINDS 20 KT. SEAS 8 TO 15 FT IN N SWELL. N OF FRONT TO 27N BETWEEN 40W AND 57W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 11 FT IN MIXED N AND NE SWELL. ELSEWHERE N OF FRONT WINDS LESS THAN 20 KT. SEAS 8 TO 10 FT IN N SWELL. .48 HOUR FORECAST FRONT DISSIPATED. N OF 20N E OF 50W WINDS LESS THAN 20 KT. SEAS 8 TO 12 FT IN N AND NE SWELL. FROM 21N TO 24N BETWEEN 50W AND 57W WINDS LESS THAN 20 KT. SEAS 8 TO 9 FT IN MIXED N AND NE SWELL. .ATLC S OF 10N E OF 47W NE TO E WINDS 20 KT. SEAS 8 TO 9 FT IN NE SWELL. ELSEWHERE S OF LINE FROM 21N35W TO 14N52W WINDS LESS THAN 20 KT. SEAS 8 TO 9 FT IN NE SWELL. .24 HOUR FORECAST S OF LINE FROM 20N35W TO 10N55W NE WINDS TO 20 KT. SEAS 8 FT IN NE SWELL. .48 HOUR FORECAST S OF 10N E OF 48W NE TO E WINDS TO 20 KT. SEAS TO 8 FT IN MERGING N AND S SWELL. .ATLC 24 HOUR FORECAST S OF 23N FROM 70W TO 78W NE WINDS 20 KT. SEAS TO 8 FT. .48 HOUR FORECAST S OF 23N BETWEEN 68W AND 80W NE WINDS 20 TO 25 KT. SEAS TO 8 FT. .CARIBBEAN S OF 15N FROM 70W TO 80W NE TO E WINDS 20 TO 25 KT EXCEPT TO 30 KT NEAR COAST OF COLOMBIA. SEAS 8 TO 11 FT. FROM 15N TO 18N BETWEEN 69W AND 76W NE TO E WINDS 20 KT. SEAS TO 8 FT. N OF 18.5N E OF 82W NE TO E WINDS 20 KT. SEAS TO 8 FT BETWEEN WINDWARD PASSAGE AND JAMAICA. .24 HOUR FORECAST FROM 10N TO 16N BETWEEN 70W AND 81W NE TO E WINDS 20 TO 25 KT EXCEPT TO 30 KT ALONG COAST OF COLOMBIA. SEAS 8 TO 10 FT. N OF 16N W OF 73W NE WINDS TO 20 KT EXCEPT 20 TO 25 KT WINDWARD PASSAGE. SEAS TO 8 FT. ELSEWHERE S OF 15N BETWEEN 81W AND 83W NE WINDS TO 20 KT. SEAS TO 8 FT. .48 HOUR FORECAST FROM 10N TO 16N BETWEEN 68W AND 80W NE TO E WINDS 20 TO 25 KT EXCEPT TO 30 KT ALONG COAST OF COLOMBIA. SEAS 8 TO 11 FT. N OF 16N BETWEEN 67W AND 83W NE WINDS 20 KT EXCEPT 20 TO 25 KT WINDWARD PASSAGE. SEAS TO 8 FT. ELSEWHERE S OF 15N BETWEEN 80W AND 83W NE WINDS TO 20 KT. SEAS TO 8 FT. .REMAINDER OF AREA WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT. $$ .FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.