000 FZNT32 KNHC 180158 OFFN21 MARINE WEATHER HF VOICE BROADCAST NWS NATIONAL HURRICANE CENTER MIAMI FL 858 PM EST THU JAN 17 2013 MARINE WEATHER HF VOICE BROADCAST FOR THE GULF OF MEXICO. 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. SYNOPSIS FOR THE GULF OF MEXICO .SYNOPSIS...A COLD FRONT EXTENDING FROM SW FLORIDA TO THE YUCATAN CHANNEL WILL MOVE E OF THE AREA LATE TONIGHT. WINDS AND SEAS WILL DIMINISH FROM W TO E ACROSS THE ENTIRE GULF FRI... LEAVING GENERALLY LIGHT TO MODERATE NE TO E WINDS INTO EARLY MON. HIGH PRESSURE WILL STRENGTHEN BRIEFLY ON MON...THEN RELAX SOME ON TUE AS A SURFACE HIGH SHIFTS SE OVER THE NE COASTAL PLAINS. GULF OF MEXICO N OF 26N W OF 87W .TONIGHT...N WINDS 15 TO 25 KT. SEAS 5 TO 7 FT. .FRI...N TO NE WINDS 15 TO 20 KT...BECOMING NE 10 TO 20 KT LATE. SEAS 5 TO 7 FT. .FRI NIGHT THROUGH SAT NIGHT...NE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .SUN THROUGH TUE...NE TO E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. GULF OF MEXICO FROM 22N TO 26N W OF 87W .TONIGHT...N WINDS 10 TO 20 KT. SEAS 6 TO 8 FT. .FRI...N TO NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .FRI NIGHT THROUGH SAT NIGHT...NE TO E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .SUN THROUGH TUE...NE TO E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. SW GULF OF MEXICO S OF 22N W OF 87W .TONIGHT...N WINDS 10 TO 20 KT. SEAS 6 TO 9 FT...EXCEPT 4 TO 6 FT WITHIN 60 NM OF COAST OF VERACRUZ. .FRI...N WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .FRI NIGHT THROUGH SAT NIGHT...NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .SUN THROUGH TUE...NE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. GULF OF MEXICO E OF 87W .TONIGHT...NW TO N WINDS 15 TO 25 KT. SEAS 9 TO 11 FT. .FRI...N WINDS 15 TO 25 KT...BECOMING N TO NE 10 TO 20 KT LATE. SEAS 7 TO 9 FT. .FRI NIGHT THROUGH SAT NIGHT...NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .SUN THROUGH TUE...NE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.