000 FZNT32 KNHC 121448 OFFN21 MARINE WEATHER HF VOICE BROADCAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1048 AM EDT TUE MAR 12 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 FROM THE FLORIDA BIG BEND TO THE YUCATAN PENINSULA WILL SHIFT SE OF THE AREA TONIGHT. FRESH TO STRONG NE WINDS BEHIND THE FRONT WILL PERSIST OVER THE SE GULF THROUGH THU AS HIGH PRES BUILDS OVER THE N GULF WATERS. SOUTHERLY RETURN FLOW WILL SET UP OVER THE WESTERN GULF BY SAT. GULF OF MEXICO N OF 26N W OF 87W .THIS AFTERNOON...N WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .TONIGHT...NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .WED AND WED NIGHT...NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .THU THROUGH SAT...SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. GULF OF MEXICO FROM 22N TO 26N W OF 87W .THIS AFTERNOON...N WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .TONIGHT...NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .WED AND WED NIGHT...NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .THU THROUGH SAT...SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. SW GULF OF MEXICO S OF 22N W OF 87W .THIS AFTERNOON...N WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .TONIGHT...NE WINDS LESS THAN 10 KT WITHIN 60 NM OF COAST OF VERACRUZ...AND N 10 TO 15 KT ELSEWHERE. SEAS 3 TO 5 FT. .WED AND WED NIGHT...NE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .THU THROUGH SAT...E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. GULF OF MEXICO E OF 87W .THIS AFTERNOON...NW WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .TONIGHT...N WINDS 10 TO 15 KT...BECOMING 10 TO 20 KT LATE. SEAS 4 TO 6 FT. .WED AND WED NIGHT...N WINDS 15 TO 25 KT. SEAS 6 TO 8 FT. .THU THROUGH FRI...NE WINDS 15 TO 25 KT. SEAS 4 TO 6 FT. .SAT...E WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.