000 FZNT32 KNHC 310230 OFFN21 MARINE WEATHER HF VOICE BROADCAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1030 PM EDT THU JUL 30 2015 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...WEAK HIGH PRESSURE OVER THE SOUTHERN WATERS WILL BECOME ESTABLISHED NEAR 25N SAT THROUGH MON. A WEAK TROUGH WILL SLOWLY MOVE THROUGH THE N CENTRAL GULF OVERNIGHT THROUGH SAT NIGHT...AND THE NE GULF SUN THROUGH MON NIGHT. A TROUGH WILL DEVELOP EACH NIGHT OVER THE YUCATAN PENINSULA AND MOVE NW DURING LATE NIGHT THROUGH EARLY MORNING HOURS BEFORE DISSIPATING OVER THE SW GULF DURING LATE MORNING HOURS. GULF OF MEXICO N OF 26N W OF 87W .OVERNIGHT...W WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .FRI...W WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .FRI NIGHT...W WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .SAT...W WINDS LESS THAN 10 KT...INCREASING TO 10 TO 15 KT IN THE AFTERNOON. SEAS 2 FT OR LESS...BECOMING 3 FT IN THE AFTERNOON. .SAT NIGHT...SW WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .SUN...SW WINDS LESS THAN 10 KT. SEAS 3 FT. .SUN NIGHT...SW WINDS 10 KT. SEAS 2 FT OR LESS. .MON...SW WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .MON NIGHT...S WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .TUE...VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .TUE NIGHT...S WINDS 10 TO 15 KT. SEAS 2 FT OR LESS. GULF OF MEXICO FROM 22N TO 26N W OF 87W .OVERNIGHT...NE WINDS LESS THAN 10 KT...SHIFTING TO SE AFTER LATE. SEAS 2 FT OR LESS. .FRI...SW WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .FRI NIGHT...S WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .SAT...S WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .SAT NIGHT...S WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .SUN...S WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .SUN NIGHT...SE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .MON...SE WINDS LESS THAN 10 KT. SEAS 3 FT. .MON NIGHT...E WINDS 10 TO 15 KT. SEAS 3 FT. .TUE...SE WINDS LESS THAN 10 KT. SEAS 3 FT. .TUE NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. SW GULF OF MEXICO S OF 22N W OF 87W .OVERNIGHT...E WINDS LESS THAN 10 KT WITHIN 60 NM OF COAST OF VERACRUZ...AND NE 10 TO 15 KT ELSEWHERE. SEAS 3 FT. .FRI...WITHIN 60 NM OF COAST OF VERACRUZ...NE WINDS LESS THAN 10 KT IN THE MORNING...BECOMING VARIABLE WINDS LESS THAN 10 KT. ELSEWHERE...E WINDS 10 TO 15 KT... DIMINISHING TO LESS THAN 10 KT IN THE AFTERNOON. SEAS 3 FT IN THE MORNING...BECOMING 2 FT OR LESS. .FRI NIGHT...NE WINDS LESS THAN 10 KT WITHIN 60 NM OF COAST OF VERACRUZ...AND NE 10 TO 15 KT ELSEWHERE. SEAS 2 FT OR LESS. .SAT...WITHIN 60 NM OF COAST OF VERACRUZ...SE WINDS LESS THAN 10 KT IN THE MORNING...BECOMING VARIABLE WINDS LESS THAN 10 KT. ELSEWHERE...SE WINDS 10 TO 15 KT. SEAS 2 FT OR LESS. .SAT NIGHT...NE WINDS 10 TO 15 KT. SEAS 2 FT OR LESS. .SUN...SE WINDS 10 TO 15 KT. SEAS 2 FT OR LESS. .SUN NIGHT...NE WINDS 10 TO 15 KT. SEAS 3 FT. .MON...SE WINDS 10 TO 15 KT. SEAS 3 FT. .MON NIGHT...E WINDS 10 TO 20 KT. SEAS 3 TO 4 FT. .TUE...SE WINDS 10 TO 15 KT. SEAS 3 FT. .TUE NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. GULF OF MEXICO E OF 87W .OVERNIGHT...SW WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .FRI...SW WINDS LESS THAN 10 KT...INCREASING TO 10 TO 15 KT IN THE AFTERNOON. SEAS 2 FT OR LESS. .FRI NIGHT...SW WINDS 10 TO 15 KT. SEAS 2 FT OR LESS. .SAT...S WINDS LESS THAN 10 KT...SHIFTING TO SW IN THE AFTERNOON. SEAS 2 FT OR LESS. .SAT NIGHT...SW WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .SUN...S WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .SUN NIGHT...S WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .MON...S WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .MON NIGHT...SE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .TUE...SE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .TUE NIGHT...SE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.