000 FZNT32 KNHC 050851 OFFN21 MARINE WEATHER HF VOICE BROADCAST NWS NATIONAL HURRICANE CENTER MIAMI FL 451 AM EDT FRI APR 5 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 EXTENDING FROM FLORIDA BIG BEND REGION TO W COAST OF YUCATAN PENINSULA WILL CONTINUE TO MOVE SE AND EXIT THE BASIN THIS EVENING. STRONG TSTMS EXPECTED AHEAD OF FRONT THROUGH THIS AFTERNOON. HIGH PRES WILL BUILD IN ACROSS THE GULF WAKE OF THE FRONT...SHIFTING EASTWARD SAT AND SUN AS LOW PRES DEEPENS OVER THE CENTRAL U.S. THIS WILL ALLOW FOR SOUTHERLY RETURN FLOW TO INCREASE OVER THE WESTERN GULF THROUGH TUE. GULF OF MEXICO N OF 26N W OF 87W .TODAY...NW WINDS 15 TO 20 KT...SHIFTING TO N 10 TO 20 KT LATE. SEAS 5 TO 7 FT. .TONIGHT...N WINDS 10 TO 20 KT...SHIFTING TO NE 10 TO 15 KT LATE. SEAS 4 TO 6 FT. .SAT AND SAT NIGHT...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .SUN THROUGH TUE...SE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. GULF OF MEXICO FROM 22N TO 26N W OF 87W .TODAY...N WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .TONIGHT...NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .SAT AND SAT NIGHT...SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .SUN THROUGH TUE...SE WINDS 15 TO 25 KT. SEAS 5 TO 7 FT. SW GULF OF MEXICO S OF 22N W OF 87W .TODAY...N WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .TONIGHT...WITHIN 60 NM OF COAST OF VERACRUZ...NE WINDS 10 TO 15 KT...BECOMING E LATE. ELSEWHERE...N WINDS 10 TO 20 KT...SHIFTING TO NE 10 TO 15 KT LATE. SEAS 3 TO 5 FT. .SAT AND SAT NIGHT...E WINDS 10 TO 20 KT. SEAS 2 TO 4 FT. .SUN THROUGH TUE...SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. GULF OF MEXICO E OF 87W .TODAY...NW WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .TONIGHT...N WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .SAT AND SAT NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .SUN THROUGH TUE...SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.