000 FZNT32 KNHC 140831 OFFN21 MARINE WEATHER HF VOICE BROADCAST NWS NATIONAL HURRICANE CENTER MIAMI FL 431 AM EDT THU MAR 14 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 HIGH PRES CENTER WILL MOVE SE ACROSS THE NORTHERN GULF THROUGH LATE TONIGHT. THE HIGH PRESSURE CENTER WILL SHIFT E OF THE GULF FRI. WARDS...ASSOCIATED RIDGE WILL EXTEND WESTWARD ACROSS THE NORTHERN PART OF THE GULF WATERS WITH SOUTHERLY RETURN FLOW PREVAILING OVER MUCH OF THE GULF. GULF OF MEXICO N OF 26N W OF 87W .TODAY...NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .TONIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .FRI AND FRI NIGHT...SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. .SAT THROUGH MON...S WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. GULF OF MEXICO FROM 22N TO 26N W OF 87W .TODAY...NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .TONIGHT...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .FRI AND FRI NIGHT...SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .SAT THROUGH MON...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. SW GULF OF MEXICO S OF 22N W OF 87W .TODAY...NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .TONIGHT...NE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .FRI AND FRI NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .SAT THROUGH MON...SE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. GULF OF MEXICO E OF 87W .TODAY...NE WINDS 15 TO 25 KT. SEAS 5 TO 7 FT. .TONIGHT...NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .FRI AND FRI NIGHT...E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .SAT THROUGH MON...SE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.