000 FZNT32 KNHC 122045 OFFN21 MARINE WEATHER HF VOICE BROADCAST NWS NATIONAL HURRICANE CENTER MIAMI FL 445 PM EDT THU SEP 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...LOW PRES AREA CENTERED NEAR 19.5N93.5W IN THE BAY OF CAMPECHE WILL INTENSIFY AND MOVE VERY SLOW OVER THE SW GULF THROUGH THE WEEKEND THEN WILL MOVE NW TOWARDS THE AREA OF TAMPICO BY MON. EXPECT INCREASING WINDS AND BUILDING SEAS ALONG WITH HEAVY RAINFALL AND SCATTERED THUNDERSTORMS IN ASSOCIATION WITH THIS SYSTEM. THE LOW HAS A HIGH POTENTIAL OF BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS. GULF OF MEXICO N OF 26N W OF 87W .TONIGHT...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .FRI...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .FRI NIGHT THROUGH SAT NIGHT...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .SUN THROUGH TUE...SE WINDS 15 TO 25 KT. SEAS 5 TO 7 FT. GULF OF MEXICO FROM 22N TO 26N W OF 87W .TONIGHT...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .FRI...E WINDS 10 TO 20 KT. SEAS 5 TO 6 FT. .FRI NIGHT THROUGH SAT NIGHT...E WINDS 15 TO 25 KT. SEAS 6 TO 9 FT. .SUN THROUGH TUE...SE WINDS 20 TO 30 KT. SEAS 6 TO 9 FT. SW GULF OF MEXICO S OF 22N W OF 87W .TONIGHT...NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .FRI...WITHIN 60 NM OF COAST OF VERACRUZ...NW WINDS 15 TO 25 KT...INCREASING TO 20 TO 30 KT LATE. ELSEWHERE...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .FRI NIGHT AND SAT...NE WINDS 15 TO 25 KT. SEAS 5 TO 7 FT. .SAT NIGHT...SW WINDS 15 TO 25 KT. SEAS 5 TO 7 FT. .SUN THROUGH TUE...SE WINDS 15 TO 25 KT. SEAS 5 TO 7 FT. GULF OF MEXICO E OF 87W .TONIGHT...SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .FRI...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .FRI NIGHT THROUGH SAT NIGHT...E WINDS 10 TO 20 KT. SEAS 2 TO 3 FT. .SUN THROUGH TUE...E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.