000 FZNT32 KNHC 112042 OFFN21 MARINE WEATHER HF VOICE BROADCAST NWS NATIONAL HURRICANE CENTER MIAMI FL 442 PM EDT THU JUL 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...RIDGE ACROSS THE NORTHERN GULF WILL SHIFT EASTWARD AS A WEAK FRONTAL SYSTEM MOVES INTO THE NORTH-CENTRAL GULF FRI...THEN STALL AND DISSIPATE SAT. WEAK HIGH PRES WILL BUILD BACK ACROSS THE AREA AFTER SUN. GULF OF MEXICO N OF 26N W OF 87W .TONIGHT...VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT. .FRI...W WINDS LESS THAN 10 KT. SEAS 2 FT. .FRI NIGHT AND SAT...W WINDS LESS THAN 10 KT. SEAS 2 FT. .SAT NIGHT...VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .SUN THROUGH TUE...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. GULF OF MEXICO FROM 22N TO 26N W OF 87W .TONIGHT...E WINDS LESS THAN 10 KT. SEAS 2 TO 3 FT. .FRI...SE WINDS LESS THAN 10 KT. SEAS 2 TO 3 FT. .FRI NIGHT THROUGH SAT NIGHT...E WINDS LESS THAN 10 KT. SEAS 2 FT. .SUN THROUGH TUE...E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. SW GULF OF MEXICO S OF 22N W OF 87W .TONIGHT...E WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. .FRI...E WINDS 10 KT OR LESS. SEAS 2 TO 3 FT. .FRI NIGHT THROUGH SAT NIGHT...E WINDS 10 TO 15 KT. SEAS 2 FT. .SUN THROUGH TUE...E WINDS 10 TO 20 KT. SEAS 2 TO 4 FT. GULF OF MEXICO E OF 87W .TONIGHT...E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .FRI...SW WINDS LESS THAN 10 KT. SEAS 2 FT. .FRI NIGHT THROUGH SAT NIGHT...SE WINDS LESS THAN 10 KT. SEAS 2 FT. .SUN THROUGH TUE...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.