000 FZNT32 KNHC 090218 OFFN21 MARINE WEATHER HF VOICE BROADCAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1018 PM EDT SAT SEP 8 2012 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 SURFACE TROUGH EXTENDING FROM THE FLORIDA BIG BEND TO 27N88W TO 26N90W WILL SHIFT E TONIGHT AHEAD OF A COLD FRONT. THE FRONT EXTENDS FROM 30.5N87W TO 29N90W TO 27N97W AND WILL SHIFT E AND SE REACHING FROM FROM THE FLORIDA BIG BEND AREA TO THE MOUTH OF THE RIO GRANDE BY SUN EVENING WHERE IT WILL STALL AND LINGER THROUGH WED...FINALLY DISSIPATING BY THU. GULF OF MEXICO N OF 26N W OF 87W .OVERNIGHT...NW WINDS 10 TO 20 KT. SEAS 2 TO 4 FT. .SUN...N WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. .SUN NIGHT THROUGH MON NIGHT...E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. .TUE THROUGH THU...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. GULF OF MEXICO FROM 22N TO 26N W OF 87W .OVERNIGHT...E TO SE WINDS LESS THAN 10 KT. SEAS 2 FT. .SUN...W TO NW WINDS LESS THAN 10 KT. SEAS 2 FT. .SUN NIGHT...NE WINDS LESS THAN 10 KT. SEAS 2 TO 3 FT. .MON AND MON NIGHT...E TO SE WINDS LESS THAN 10 KT. SEAS 2 TO 3 FT. .TUE THROUGH THU...E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. SW GULF OF MEXICO S OF 22N W OF 87W .OVERNIGHT...NE TO E WINDS LESS THAN 10 KT. SEAS 2 FT. .SUN...NE TO E WINDS LESS THAN 10 KT. SEAS 2 FT. .SUN NIGHT THROUGH MON NIGHT...NE TO E WINDS LESS THAN 10 KT. SEAS 2 FT. .TUE THROUGH THU...NE TO E WINDS LESS THAN 10 KT. SEAS 2 TO 3 FT. GULF OF MEXICO E OF 87W .OVERNIGHT...SW TO W WINDS 10 TO 20 KT...BECOMING SW 10 TO 15 KT LATE. SEAS 3 TO 5 FT. .SUN...SW TO W WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. .SUN NIGHT AND MON...W WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. .MON NIGHT...N WINDS 10 KT. SEAS 2 FT. .TUE THROUGH THU...NE TO E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.