000 FZNT32 KNHC 280230 OFFN21 MARINE WEATHER HF VOICE BROADCAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1030 PM EDT THU JUN 27 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 LIES ALONG 27N. THE RIDGE WILL SHIFT S TO ALONG 23N BY LATE SAT AS A WEAK COLD FRONT MOVES ONTO THE NORTHERN GULF COASTAL PLAIN SUN AND MON...DISSIPATING TUE. THE RIDGE WILL RETURN TO 26N BY TUE. THE N EDGE OF A WEAK TROPICAL WAVE WILL MOVE INTO THE E BAY OF CAMPECHE S OF 21N BY SUN...PASSING INTO THE SW GULF ZONE BY TUE. GULF OF MEXICO N OF 26N W OF 87W .OVERNIGHT...VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT. .FRI...W WINDS LESS THAN 10 KT. SEAS 2 FT. .FRI NIGHT THROUGH SAT NIGHT...SW WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. .SUN THROUGH TUE...SW WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. GULF OF MEXICO FROM 22N TO 26N W OF 87W .OVERNIGHT...E WINDS LESS THAN 10 KT. SEAS 2 TO 3 FT. .FRI...E WINDS LESS THAN 10 KT. SEAS 2 TO 3 FT. .FRI NIGHT...SE WINDS LESS THAN 10 KT. SEAS 2 FT. .SAT AND SAT NIGHT...S WINDS 10 TO 15 KT. SEAS 2 FT. .SUN THROUGH TUE...SE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. SW GULF OF MEXICO S OF 22N W OF 87W .OVERNIGHT...E WINDS 10 TO 15 KT. SEAS 2 FT. .FRI...E WINDS LESS THAN 10 KT. SEAS 2 FT. .FRI NIGHT...E WINDS LESS THAN 10 KT. SEAS 2 FT. .SAT AND SAT NIGHT...E WINDS LESS THAN 10 KT. SEAS 2 FT. .SUN THROUGH TUE...E WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. GULF OF MEXICO E OF 87W .OVERNIGHT...SE WINDS LESS THAN 10 KT. SEAS 2 FT. .FRI...S WINDS LESS THAN 10 KT. SEAS 2 FT. .FRI NIGHT THROUGH SAT NIGHT...SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. .SUN THROUGH TUE...S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.