000 FZNT32 KNHC 300318 OFFN21 MARINE WEATHER HF VOICE BROADCAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1118 PM EDT WED AUG 29 2012 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...TROPICAL STORM ISAAC CENTERED NEAR 30.3N 91.2W AT 0300 UTC. MAXIMUM SUSTAINED WINDS 50 KT GUST TO 60 KT MOVING NW 5 KT WITH MINIMUM CENTRAL PRESSURE 980 MB. ISAAC WILL CONTINUE TO MOVE FURTHER INLAND WHILE WEAKENING TO BELOW TROPICAL STORM INTENSITY THU. WINDS AND SEAS WILL SUBSIDE BY THE END OF THE WEEK AND CONTINUE TO DECREASE THROUGH THE REMAINDER OF THE FORECAST PERIOD AS WEAK HIGH PRES BUILDS ACROSS THE AREA. GULF OF MEXICO N OF 26N W OF 87W .OVERNIGHT...TROPICAL STORM CONDITIONS POSSIBLE. SW TO W WINDS 20 TO 30 KT. SEAS 13 TO 18 FT. .THU...SW WINDS 20 TO 30 KT...DIMINISHING TO 15 TO 25 KT IN THE AFTERNOON. SEAS 10 TO 15 FT. .THU NIGHT THROUGH MON...E TO SE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT. GULF OF MEXICO FROM 22N TO 26N W OF 87W .OVERNIGHT...SW WINDS 15 TO 25 KT. SEAS 7 TO 10 FT. .THU...S WINDS 10 TO 20 KT. SEAS 6 TO 9 FT. .THU NIGHT THROUGH MON...E TO SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. SW GULF OF MEXICO S OF 22N W OF 87W .OVERNIGHT...S TO SW WINDS 10 TO 15 KT...EXCEPT S TO SW LESS THAN 10 KT WITHIN 60 NM OF COAST OF VERACRUZ. SEAS 3 TO 5 FT. .THU...SE WINDS 10 TO 15 KT...EXCEPT SE LESS THAN 10 KT WITHIN 60 NM OF COAST OF VERACRUZ. SEAS 2 TO 4 FT. .THU NIGHT THROUGH MON...E TO SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. GULF OF MEXICO E OF 87W .OVERNIGHT...S WINDS 20 TO 30 KT. SEAS 9 TO 14 FT. .THU...SE TO S WINDS 15 TO 25 KT. SEAS 8 TO 13 FT. .THU NIGHT THROUGH MON...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.