000 FZNT32 KNHC 170801 OFFN21 MARINE WEATHER HF VOICE BROADCAST NWS NATIONAL HURRICANE CENTER MIAMI FL 401 AM EDT MON AUG 17 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 RIDGE BUILDING ACROSS THE N GULF WILL PREVAIL THROUGH THE WEEK. A THERMALLY INDUCED TROUGH WILL DEVELOP EACH EVENING OVER THE YUCATAN. THE TROUGH WILL DRIFT WESTWARD INTO THE SW GULF DURING THE OVERNIGHT HOURS AND DISSIPATE EACH MORNING OVER THE SW GULF. GULF OF MEXICO N OF 26N W OF 87W .TODAY...S WINDS 10 KT. SEAS 3 FT. .TONIGHT...S WINDS 10 KT. SEAS 3 FT. .TUE...SE WINDS 10 TO 15 KT. SEAS 3 FT. .TUE NIGHT...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .WED...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .WED NIGHT...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .THU...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .THU NIGHT...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .FRI...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .FRI NIGHT...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. GULF OF MEXICO FROM 22N TO 26N W OF 87W .TODAY...SE WINDS 10 TO 15 KT...DIMINISHING TO LESS THAN 10 KT IN THE AFTERNOON. SEAS 3 FT. .TONIGHT...SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .TUE...SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .TUE NIGHT...SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .WED...SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .WED NIGHT...SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .THU...SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .THU NIGHT...SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .FRI...SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .FRI NIGHT...E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. SW GULF OF MEXICO S OF 22N W OF 87W .TODAY...E WINDS LESS THAN 10 KT WITHIN 60 NM OF COAST OF VERACRUZ...AND SE 10 TO 15 KT ELSEWHERE. SEAS 2 FT OR LESS. .TONIGHT...E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS... BUILDING TO 3 TO 4 FT LATE. .TUE...WITHIN 60 NM OF COAST OF VERACRUZ...SE WINDS 10 TO 15 KT...DIMINISHING TO LESS THAN 10 KT IN THE AFTERNOON. ELSEWHERE...SE WINDS 10 TO 20 KT. SEAS 3 TO 4 FT. .TUE NIGHT...E WINDS 10 TO 20 KT. SEAS 3 TO 4 FT. .WED...SE WINDS 10 TO 20 KT. SEAS 3 TO 4 FT. .WED NIGHT...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. GULF OF MEXICO E OF 87W .TODAY...SE WINDS 10 TO 15 KT. SEAS 3 FT. .TONIGHT...E WINDS LESS THAN 10 KT. SEAS 3 FT. .TUE...SE WINDS LESS THAN 10 KT. SEAS 3 FT. .TUE NIGHT...SE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .WED...SE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .WED NIGHT...SE WINDS 10 KT. SEAS 2 FT OR LESS. .THU...SE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .THU NIGHT...E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .FRI...E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .FRI NIGHT...E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.