000 FZNT32 KNHC 070231 OFFN21 MARINE WEATHER HF VOICE BROADCAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1031 PM EDT THU SEP 6 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...LOW PRES 1010 MB OVER THE N CENTRAL GULF NEAR 28N89W WILL DRIFT S THROUGH FRI...THEN BE PUSHED E AND NE FRI NIGHT AND SAT AHEAD OF AN APPROACHING COLD FRONT. THE LOW WILL HAVE A POTENTIAL TO DEVELOP INTO A TROPICAL CYCLONE. THE COLD FRONT IS EXPECTED TO ENTER THE NW GULF SAT NIGHT...REACH FROM THE FLORIDA BIG BEND AREA TO THE MOUTH OF THE RIO GRANDE BY EARLY SUN...AND FROM W CENTRAL FLORIDA TO THE BAY OF CAMPECHE MON. MODERATE TO FRESH NW TO N WINDS WILL GRADUALLY VEER NE BEHIND THE FRONT. GULF OF MEXICO N OF 26N W OF 87W .OVERNIGHT...SW TO W WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. .FRI...W WINDS 10 TO 15 KT...BECOMING 10 TO 20 KT LATE. SEAS 3 TO 5 FT. .FRI NIGHT THROUGH SAT NIGHT...NW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .SUN THROUGH TUE...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. GULF OF MEXICO FROM 22N TO 26N W OF 87W .OVERNIGHT...BETWEEN 87W AND 93W NW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. W OF 93W S WINDS LESS THAN 10 KT. SEAS 2 FT. .FRI...S WINDS LESS THAN 10 KT. SEAS 2 TO 3 FT. .FRI NIGHT AND SAT...S TO SW WINDS LESS THAN 10 KT. SEAS 2 TO 3 FT. .SAT NIGHT...N TO NE WINDS LESS THAN 10 KT...BECOMING SE LATE. SEAS 2 TO 3 FT. .SUN THROUGH TUE...E TO SE WINDS LESS THAN 10 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 TO 3 FT. .FRI...E TO SE WINDS LESS THAN 10 KT EARLY...BECOMING VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT. .FRI NIGHT THROUGH SAT NIGHT...NE TO E WINDS 10 TO 15 KT. EXCEPT NE TO E LESS THAN 10 KT WITHIN 60 NM OF COAST OF VERACRUZ. SEAS 2 FT. .SUN THROUGH TUE...E WINDS LESS THAN 10 KT. SEAS 2 FT. GULF OF MEXICO E OF 87W .OVERNIGHT...S TO SW WINDS LESS THAN 10 KT. SEAS 2 TO 4 FT. .FRI...S WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. .FRI NIGHT THROUGH SAT NIGHT...SW WINDS 10 TO 20 KT. SEAS 2 TO 4 FT. .SUN THROUGH TUE...N TO NE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.