000 FZNT32 KNHC 182122 OFFN21 MARINE WEATHER HF VOICE BROADCAST NWS NATIONAL HURRICANE CENTER MIAMI FL 522 PM EDT MON MAR 18 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...SCATTERED SHOWERS AND A FEW EMBEDDED TSTMS WILL PERSIST E GULF THROUGH TONIGHT. SOUTHERLY WINDS WILL WEAKEN TONIGHT AHEAD OF A COLD FRONT THAT WILL SWEEP E ACROSS THE NORTHERN GULF OVERNIGHT. THE FRONT WILL REACH FROM FLORIDA BIG BEND TO SOUTH TEXAS TUE ...STALL FROM SW FLORIDA TO THE TEXAS MEXICO BORDER TUE NIGHT...THEN DISSIPATE WED. HIGH PRES WILL BUILD ACROSS NORTHERN WATERS THU AND FRI. ANOTHER COLD FRONT WILL APPROACH THE NW GULF SAT. GULF OF MEXICO N OF 26N W OF 87W .TONIGHT...SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .TUE...NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .TUE NIGHT THROUGH WED NIGHT...NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .THU THROUGH SAT...S WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. GULF OF MEXICO FROM 22N TO 26N W OF 87W .TONIGHT...S WINDS 10 TO 15 KT...BECOMING SE LATE. SEAS 3 TO 5 FT. .TUE...E WINDS LESS THAN 10 KT. SEAS 2 TO 4 FT. .TUE NIGHT THROUGH WED NIGHT...NE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .THU THROUGH SAT...S WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. SW GULF OF MEXICO S OF 22N W OF 87W .TONIGHT...WITHIN 60 NM OF COAST OF VERACRUZ...SE WINDS LESS THAN 10 KT. ELSEWHERE...SE WINDS 10 TO 15 KT. BECOMING E LATE. SEAS 2 TO 3 FT. .TUE...SE WINDS LESS THAN 10 KT. SEAS 2 FT. .TUE NIGHT AND WED...SE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. .WED NIGHT...NE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. .THU THROUGH SAT...SW WINDS 10 TO 20 KT. SEAS 2 TO 3 FT. GULF OF MEXICO E OF 87W .TONIGHT...S WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. .TUE...SW WINDS 10 TO 15 KT...DIMINISHING TO LESS THAN 10 KT LATE. SEAS 2 TO 4 FT. .TUE NIGHT AND WED...SE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. .WED NIGHT...NE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. .THU THROUGH SAT...S WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.