000 FZNT32 KNHC 190855 OFFN21 MARINE WEATHER HF VOICE BROADCAST NWS NATIONAL HURRICANE CENTER MIAMI FL 455 AM EDT MON AUG 19 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 WEAK TROUGH EXTENDING FROM S CENTRAL LOUISIANA TO THE BAY OF CAMPECHE WILL MOVE WESTWARD AND INLAND MEXICO AND SOUTHERN TEXAS TONIGHT. THE NORTHERN EXTENSION OF A TROPICAL WAVE OVER THE FAR SE GULF WILL MOVE ACROSS THE YUCATAN CHANNEL TODAY...REACH THE S CENTRAL GULF EARLY TONIGHT...THEN MOVE NW TO THE EASTERN PART OF THE WESTERN GULF BY TUE LATE BEFORE IT BECOMES DIFFUSE. ANOTHER TROPICAL WAVE MAY MOVE INTO THE STRAITS OF FLORIDA FRI. A RIDGE WILL DOMINATE THE REMAINDER OF THE GULF THROUGH THE PERIOD. GULF OF MEXICO N OF 26N W OF 87W .TODAY...E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT. .TONIGHT...E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT. .TUE AND TUE NIGHT...E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT. .WED THROUGH FRI...E WINDS 10 KT. SEAS 2 TO 4 FT. GULF OF MEXICO FROM 22N TO 26N W OF 87W .TODAY...E WINDS 10 TO 15 KT...DIMINISHING TO LESS THAN 10 KT LATE. SEAS 4 TO 6 FT. .TONIGHT...E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT. .TUE AND TUE NIGHT...E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT. .WED THROUGH FRI...E WINDS LESS THAN 10 KT. SEAS 2 TO 4 FT. SW GULF OF MEXICO S OF 22N W OF 87W .TODAY...WITHIN 60 NM OF COAST OF VERACRUZ...NW WINDS LESS THAN 10 KT. ELSEWHERE...SE WINDS 10 TO 15 KT DIMINISHING TO LESS THAN 10 KT LATE. SEAS 3 TO 5 FT. .TONIGHT...WITHIN 60 NM OF COAST OF VERACRUZ...NE WINDS LESS THAN 10 KT. ELSEWHERE...NE WINDS LESS THAN 10 KT...BECOMING E LATE. SEAS 2 TO 4 FT. .TUE AND TUE NIGHT...E WINDS LESS THAN 10 KT WITHIN 60 NM OF COAST OF VERACRUZ...AND E 10 TO 15 KT ELSEWHERE. SEAS 2 TO 4 FT. .WED THROUGH FRI...NE WINDS LESS THAN 10 KT. SEAS 2 TO 3 FT. GULF OF MEXICO E OF 87W .TODAY...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .TONIGHT...E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT. .TUE AND TUE NIGHT...E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. .WED THROUGH FRI...E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.