000 FZNT32 KNHC 122110 OFFN21 MARINE WEATHER HF VOICE BROADCAST NWS NATIONAL HURRICANE CENTER MIAMI FL 510 PM EDT SUN MAY 12 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 COLD FRONT FROM CRYSTAL RIVER FLORIDA TO 21N97W WILL STRETCH FROM SW FLORIDA TO THE NW BAY OF CAMPECHE MON. THE WESTERN PORTION OF THE FRONT WILL DISSIPATE MON NIGHT WHILE THE EASTERN PORTION PASSES THROUGH THE YUCATAN CHANNEL AND STRAITS OF FLORIDA MON NIGHT AND TUE. HIGH PRESSURE WILL BUILD OVER THE GULF BEHIND THE FRONT WITH A RIDGE ESTABLISHED ALONG 29N WED THROUGH FRI. GULF OF MEXICO N OF 26N W OF 87W .TONIGHT...NE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. .MON...NE WINDS 10 TO 20 KT...BECOMING 15 TO 20 KT LATE. SEAS 2 TO 4 FT. .MON NIGHT THROUGH TUE NIGHT...SE WINDS 10 TO 20 KT. SEAS 2 TO 4 FT. .WED THROUGH FRI...SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. GULF OF MEXICO FROM 22N TO 26N W OF 87W .TONIGHT...NE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .MON...NE WINDS 10 TO 20 KT...BECOMING 10 TO 15 KT LATE. SEAS 3 TO 5 FT. .MON NIGHT THROUGH TUE NIGHT...E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .WED THROUGH FRI...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. SW GULF OF MEXICO S OF 22N W OF 87W .TONIGHT...N WINDS 10 TO 15 KT...SHIFTING TO NE 10 TO 20 KT LATE. SEAS 3 TO 5 FT. .MON...NE WINDS 10 TO 20 KT...BECOMING 10 TO 15 KT LATE. SEAS 2 TO 4 FT. .MON NIGHT THROUGH TUE NIGHT...NE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .WED THROUGH FRI...E WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. GULF OF MEXICO E OF 87W .TONIGHT...NE WINDS LESS THAN 10 KT. SEAS 2 FT. .MON...NE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. .MON NIGHT THROUGH TUE NIGHT...NE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .WED THROUGH FRI...E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.