000 FZNT32 KNHC 111434 OFFN21 MARINE WEATHER HF VOICE BROADCAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1034 AM EDT WED SEP 11 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...SURFACE RIDGE N OF THE AREA ACROSS THE GULF COAST WILL PERSIST THROUGH THU. TROUGH ACROSS BELIZE WILL MOVE SLOWLY WNW ACROSS THE YUCATAN PENINSULA ENTERING THE BAY OF CAMPECHE THU. A LOW PRES AREA IS EXPECTED TO DEVELOP ALONG THE TROUGH THU NIGHT IN THE SW GULF...THEN INTENSIFY THROUGH SUN AND DRIFT NW. THE LOW MAY DEVELOP INTO A TROPICAL CYCLONE. GULF OF MEXICO N OF 26N W OF 87W .THIS AFTERNOON...E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. .TONIGHT...E WINDS 10 TO 20 KT. SEAS 5 TO 6 FT. .THU AND THU NIGHT...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .FRI THROUGH SUN...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. GULF OF MEXICO FROM 22N TO 26N W OF 87W .THIS AFTERNOON...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .TONIGHT...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .THU AND THU NIGHT...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .FRI THROUGH SUN...E WINDS 15 TO 25 KT. SEAS 6 TO 8 FT. SW GULF OF MEXICO S OF 22N W OF 87W .THIS AFTERNOON...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .TONIGHT...NE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .THU AND THU NIGHT...NE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .FRI THROUGH SUN...E WINDS 20 TO 30 KT. SEAS 6 TO 9 FT. GULF OF MEXICO E OF 87W .THIS AFTERNOON...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .TONIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .THU AND THU NIGHT...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .FRI THROUGH SUN...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.