000 FZNT02 KNHC 152218 HSFAT2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 2230 UTC TUE DEC 15 2015 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 TUE DEC 15. 24 HOUR FORECAST VALID 1800 UTC WED DEC 16. 48 HOUR FORECAST VALID 1800 UTC THU DEC 17. .WARNINGS. ...GULF OF MEXICO GALE WARNING... .30 HOUR FORECAST COLD FRONT FROM 30N92W TO 26N95W TO 22N98W. W OF 96W AND W OF FRONT NW TO N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .48 HOUR FORECAST COLD FRONT FROM 30N86W TO 189N93W. S OF 21N W OF 95W NW TO N WINDS 30 TO 35 KT. SEAS 10 TO 12 FT. ELSEWHERE S OF 25N W OF FRONT NW TO N WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. .SYNOPSIS AND FORECAST. .ATLC TROUGH FROM 31N35W TO 25N43W TO 24N55W. N OF 28N E OF 42W W TO NW WINDS 20 TO 25 KT. SEAS 12 FT. ELSEWHERE N OF 25N E OF 52W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NW SWELL. .24 HOUR FORECAST TROUGH DISSIPATED. NEW TROUGH FROM 31N56W TO 29N61W TO 28N65W. N OF A LINE FROM 31N40W TO 28N45W TO 28N67W TO 31N65W SW TO W WINDS 20 TO 30 KT...EXCEPT W TO NW BEHIND TROUGH. SEAS 8 TO 12 FT IN MIXED NE AND NW SWELL...HIGHEST NEAR 31N55W. ELSEWHERE N OF A LINE FROM 24N35W TO 24N40W TO 29N61W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN MIXED NE AND NW SWELL... HIGHEST NEAR 31N35W. .48 HOUR FORECAST TROUGH FROM 31N37W TO 25N50W TO 26N55W. N OF 28N E OF TROUGH SW WINDS 20 TO 30 KT. SEAS 12 TO 15 FT IN MIXED NE AND NW SWELL. N OF 29N W OF TROUGH TO 45W NW WINDS 20 TO 25 KT. SEAS 16 TO 18 FT IN NW SWELL. ELSEWHERE N OF 27N E OF 55W WINDS 20 KT OR LESS. SEAS 12 TO 16 FT IN NW SWELL. REMAINDER OF AREA N OF 25N E OF 62W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT PRIMARILY IN NW SWELL. .CARIBBEAN 30 HOUR FORECAST FROM 11N TO 14N BETWEEN 69W AND 75W NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT. .48 HOUR FORECAST FROM 11N TO 15N BETWEEN 67W AND 74W AND FROM 16.5N TO 18N BETWEEN 71W AND 73W NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. $$ .FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.