000 FZNT32 KNHC 220850 OFFN21 MARINE WEATHER HF VOICE BROADCAST NWS NATIONAL HURRICANE CENTER MIAMI FL 450 AM EDT FRI MAR 22 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...HIGH PRES OVER THE NORTHERN GULF WILL SHIFT E THROUGH FRI TO PRODUCE RETURN FLOW ACROSS MUCH OF BASIN FRI AND SAT. NEXT COLD FRONT WILL REACH THE NW GULF SAT NIGHT AND EXTEND FROM FLORIDA PANHANDLE TO BAY OF CAMPECHE SUN THEN PUSH SE OF THE GULF MON. GULF OF MEXICO N OF 26N W OF 87W .TODAY...S WINDS 10 TO 20 KT...BECOMING 10 TO 15 KT LATE. SEAS 3 TO 5 FT. .TONIGHT...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .SAT...S WINDS 10 TO 15 KT...BECOMING 10 TO 20 KT LATE. SEAS 4 TO 6 FT. .SAT NIGHT...SW WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .SUN...NW WINDS 15 TO 25 KT. SEAS 6 TO 9 FT. .MON THROUGH TUE...NE WINDS 15 TO 25 KT. SEAS 5 TO 7 FT. GULF OF MEXICO FROM 22N TO 26N W OF 87W .TODAY...SE WINDS 10 TO 20 KT...BECOMING 10 TO 15 KT LATE. SEAS 4 TO 5 FT. .TONIGHT...SE WINDS 10 TO 15 KT...BECOMING 10 TO 20 KT LATE. SEAS 4 TO 5 FT. .SAT AND SAT NIGHT...S WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .SUN...N WINDS 15 TO 25 KT. SEAS 5 TO 7 FT. .MON THROUGH TUE...NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT. SW GULF OF MEXICO S OF 22N W OF 87W .TODAY...SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. .TONIGHT...SE WINDS 10 TO 15 KT...BECOMING 10 TO 20 KT LATE. SEAS 2 TO 3 FT. .SAT AND SAT NIGHT...S WINDS 10 TO 20 KT. SEAS 2 TO 3 FT. .SUN THROUGH TUE...N WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. GULF OF MEXICO E OF 87W .TODAY...SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. .TONIGHT...SE WINDS 10 TO 15 KT...SHIFTING TO S 10 TO 20 KT LATE. SEAS 3 TO 5 FT. .SAT AND SAT NIGHT...S WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .SUN...SW WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .MON THROUGH TUE...NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.