000 FZNT32 KNHC 190159 OFFN21 MARINE WEATHER HF VOICE BROADCAST NWS NATIONAL HURRICANE CENTER MIAMI FL 959 PM EDT SUN AUG 18 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 MON NIGHT. THE NORTHERN EXTENSION OF A TROPICAL WAVE WILL PASS THROUGH THE FLORIDA STRAITS TONIGHT AND THROUGH THE YUCATAN CHANNEL ON MON...AND WASH OUT OVER THE BAY OF CAMPECHE ON TUE AND WED. A RIDGE WILL DOMINATE THE REMAINDER OF THE GULF THROUGH THE PERIOD. GULF OF MEXICO N OF 26N W OF 87W .OVERNIGHT...SE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT. .MON...E WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT. .MON NIGHT THROUGH TUE NIGHT...E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT. .WED THROUGH FRI...E WINDS LESS THAN 10 KT. SEAS 2 TO 4 FT. GULF OF MEXICO FROM 22N TO 26N W OF 87W .OVERNIGHT...E WINDS LESS THAN 10 KT...INCREASING TO 10 TO 15 KT LATE. SEAS 4 TO 6 FT. .MON...E WINDS 10 TO 15 KT...DIMINISHING TO LESS THAN 10 KT LATE. SEAS 4 TO 6 FT. .MON NIGHT THROUGH TUE NIGHT...E WINDS LESS THAN 10 KT. SEAS 3 TO 5 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 .OVERNIGHT...WITHIN 60 NM OF COAST OF VERACRUZ...N WINDS LESS THAN 10 KT. ELSEWHERE...NE WINDS LESS THAN 10 KT...BECOMING E LATE. SEAS 3 TO 5 FT. .MON...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. .MON NIGHT THROUGH 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 .OVERNIGHT...E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT. .MON...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .MON NIGHT THROUGH TUE NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .WED THROUGH FRI...E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.