000 FZNT32 KNHC 191422 OFFN21 MARINE WEATHER HF VOICE BROADCAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1022 AM EDT WED AUG 19 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...HIGH PRESSURE WILL PREVAIL ACROSS NORTHERN WATERS THROUGH SUN. A THERMAL TROUGH WILL DEVELOP EACH EVENING OVER THE YUCATAN PENINSULA...THEN MOVE W INTO THE SW GULF AT NIGHT AND DISSIPATE BY LATE MORNING. GULF OF MEXICO N OF 26N W OF 87W .THIS AFTERNOON...S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .TONIGHT...SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .THU...S WINDS 10 TO 15 KT. SEAS 3 FT. .THU NIGHT...SE WINDS 10 KT. SEAS 3 FT. .FRI...S WINDS 10 KT. SEAS 3 FT. .FRI NIGHT...SE WINDS 10 TO 15 KT. SEAS 3 FT. .SAT...SE WINDS 10 TO 15 KT. SEAS 3 FT. .SAT NIGHT...SE WINDS 10 TO 15 KT. SEAS 2 FT OR LESS. .SUN...E WINDS 10 KT. SEAS 2 FT OR LESS. .SUN NIGHT...E WINDS 10 KT. SEAS 2 FT OR LESS. GULF OF MEXICO FROM 22N TO 26N W OF 87W .THIS AFTERNOON...SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .TONIGHT...SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .THU...SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .THU NIGHT...SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .FRI...SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .FRI NIGHT...E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .SAT...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .SAT NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .SUN...E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .SUN NIGHT...E WINDS 10 TO 15 KT. SEAS 3 FT. SW GULF OF MEXICO S OF 22N W OF 87W .THIS AFTERNOON...SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .TONIGHT...E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .THU...SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .THU NIGHT...E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .FRI...SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .FRI NIGHT...E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .SAT...SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .SAT NIGHT...NE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .SUN...E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .SUN NIGHT...NE WINDS 10 TO 20 KT. SEAS 3 TO 4 FT. GULF OF MEXICO E OF 87W .THIS AFTERNOON...SE WINDS 10 KT. SEAS 2 FT OR LESS. .TONIGHT...SE WINDS 10 KT. SEAS 2 FT OR LESS. .THU...SE WINDS 10 KT. SEAS 2 FT OR LESS. .THU NIGHT...E WINDS 10 KT. SEAS 2 FT OR LESS. .FRI...E WINDS 10 KT. SEAS 2 FT OR LESS. .FRI NIGHT...NE WINDS 10 TO 15 KT. SEAS 2 FT OR LESS. .SAT...E WINDS 10 KT. SEAS 2 FT OR LESS. .SAT NIGHT...NE WINDS 10 TO 15 KT. SEAS 2 FT OR LESS. .SUN...NE WINDS 10 KT. SEAS 2 FT OR LESS. .SUN NIGHT...NE WINDS 10 KT. SEAS 2 FT OR LESS.