000 FZNT32 KNHC 180825 OFFN21 MARINE WEATHER HF VOICE BROADCAST NWS NATIONAL HURRICANE CENTER MIAMI FL 425 AM 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...SOUTHERLY RETURN FLOW WILL GRADUALLY WEAKEN OVER THE WATERS TODAY AND TONIGHT AHEAD OF A COLD FRONT. THAT FRONT WILL REACH FROM THE FLORIDA BIG BEND TO BROWNSVILLE TEXAS TUE MORNING THEN WILL STALL FROM SW FLORIDA TO THE TEXAS MEXICO BORDER TUE NIGHT...DISSIPATING OVER THAT GENERAL AREA BY EARLY WED. HIGH PRES WILL BUILD IN FROM THE N AND NE IN THE WAKE OF THE FRONT THROUGH THE END OF THE WEEK. GULF OF MEXICO N OF 26N W OF 87W .TODAY...S WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. .TONIGHT...SW WINDS 10 TO 15 KT...SHIFTING TO W LATE. SEAS 3 TO 5 FT. .TUE AND TUE NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .WED THROUGH THU...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .FRI...S WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. GULF OF MEXICO FROM 22N TO 26N W OF 87W .TODAY...S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .TONIGHT...S WINDS 10 TO 15 KT...SHIFTING TO SE LATE. SEAS 3 TO 5 FT. .TUE AND TUE NIGHT...E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. .WED THROUGH FRI...S WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. SW GULF OF MEXICO S OF 22N W OF 87W .TODAY...WITHIN 60 NM OF COAST OF VERACRUZ...S WINDS 10 TO 15 KT...DIMINISHING TO LESS THAN 10 KT LATE. ELSEWHERE...SE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. .TONIGHT...E WINDS LESS THAN 10 KT. SEAS 2 TO 3 FT. .TUE AND TUE NIGHT...SE WINDS LESS THAN 10 KT WITHIN 60 NM OF COAST OF VERACRUZ...AND E 10 TO 15 KT ELSEWHERE. SEAS 2 TO 3 FT. .WED THROUGH FRI...S WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. GULF OF MEXICO E OF 87W .TODAY...SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. .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...NW WINDS 10 KT...SHIFTING TO NE LATE. SEAS 2 TO 4 FT. .WED THROUGH THU...E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. .FRI...S WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.