000 FZNT32 KNHC 290219 OFFN21 MARINE WEATHER HF VOICE BROADCAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1019 PM EDT FRI JUN 28 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 RIDGE ALONG 25N WILL SHIFT S TO ALONG 23N BY LATE SAT. A COLD FRONT MOVES INTO FAR N GULF WATERS SUN AND GRADUALLY WEAKENS THERE THROUGH WED. THE RIDGE WILL RETURN TO 26N BY TUE. TROUGHING BUILDS OVER THE SW GULF WED. GULF OF MEXICO N OF 26N W OF 87W .OVERNIGHT...SW TO W WINDS LESS THAN 10 KT. SEAS 2 FT. .SAT...W WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. .SAT NIGHT THROUGH SUN NIGHT...SW WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. .MON THROUGH WED...SE WINDS LESS THAN 10 KT. SEAS 2 TO 3 FT. GULF OF MEXICO FROM 22N TO 26N W OF 87W .OVERNIGHT...VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT. .SAT...SW WINDS LESS THAN 10 KT. SEAS 2 FT. .SAT NIGHT THROUGH SUN NIGHT...S WINDS LESS THAN 10 KT. SEAS 2 FT. .MON THROUGH WED...SE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. SW GULF OF MEXICO S OF 22N W OF 87W .OVERNIGHT...E WINDS LESS THAN 10 KT. SEAS 2 FT. .SAT...VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT. .SAT NIGHT AND SUN...SE WINDS LESS THAN 10 KT. SEAS 2 FT. .SUN NIGHT...E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .MON THROUGH WED...E WINDS 10 TO 15 KT. SEAS 2 FT. GULF OF MEXICO E OF 87W .OVERNIGHT...S WINDS LESS THAN 10 KT. SEAS 2 FT. .SAT...SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. .SAT NIGHT THROUGH SUN NIGHT...S WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. .MON THROUGH WED...SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.