000 FZNT32 KNHC 040833 OFFN21 MARINE WEATHER HF VOICE BROADCAST NWS NATIONAL HURRICANE CENTER MIAMI FL 433 AM EDT THU JUL 4 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 TROUGH EXTENDING FROM THE MOUTH OF THE MISSISSIPPI RIVER TO 25N94W WILL DRIFT INTO THE WESTERN GULF THROUGH THE WEEKEND...IN PHASE WITH ANOTHER TROUGH BAY OF CAMPECHE. WEAK LOW PRES WILL FORM ALONG THE TROUGH OVER THE BAY OF CAMPECHE THROUGH LATE TODAY...THEN MOVE W ACROSS THE FAR SW GULF AND INTO THE COAST OF VERACRUZ THROUGH LATE FRI. FRESH SOUTHERLY WIND FLOW AND VERY ACTIVE WEATHER WILL CONTINUE OVER THE CENTRAL AND EASTERN GULF THROUGH SAT. LOW PRES MAY FORM OVER THE N CENTRAL WATERS SUN THEN SHIFT N INTO SW LOUISIANA THROUGH MON. GULF OF MEXICO N OF 26N W OF 87W .TODAY...S WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT. .TONIGHT...SE WINDS LESS THAN 10 KT...INCREASING TO 10 TO 15 KT LATE. SEAS 3 TO 5 FT. .FRI AND FRI NIGHT...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .SAT THROUGH MON...SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. GULF OF MEXICO FROM 22N TO 26N W OF 87W .TODAY...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .TONIGHT...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .FRI AND FRI NIGHT...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .SAT THROUGH MON...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. SW GULF OF MEXICO S OF 22N W OF 87W .TODAY...VARIABLE WINDS LESS THAN 10 KT WITHIN 60 NM OF COAST OF VERACRUZ...AND SE 10 TO 15 KT ELSEWHERE. SEAS 2 TO 3 FT. .TONIGHT...SE WINDS LESS THAN 10 KT. SEAS 2 TO 3 FT. .FRI...VARIABLE WINDS LESS THAN 10 KT WITHIN 60 NM OF COAST OF VERACRUZ...AND S 10 TO 15 KT ELSEWHERE. SEAS 2 TO 3 FT. .FRI NIGHT...WITHIN 60 NM OF COAST OF VERACRUZ...SE WINDS LESS THAN 10 KT. ELSEWHERE...E WINDS LESS THAN 10 KT...BECOMING SE LATE. SEAS 2 TO 3 FT. .SAT THROUGH MON...E WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. GULF OF MEXICO E OF 87W .TODAY...SE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .TONIGHT...SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .FRI AND FRI NIGHT...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .SAT THROUGH MON...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.